Massachusetts / Waters /
Chelsea River
River in Massachusetts · near Boston, Chelsea, Revere
Current status
Caution
Caution applies after a recent discharge, when a report leaves its status unclear, or during a rainfall advisory. The report explains which rule applies.
Why this status: Caution: DirtyWaterWatch rule for missing end times.
How long each status lasts, and why
This status since Oct 20, 2026, 6:33 PM EDT.
Source: CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record fd704e2d-0bdc-4490-9808-15037e5e0766, published Oct 20, 2026, 6:34 PM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice
Updated Nov 2, 2026, 11:21 AM EST.
Get alerts from City of Chelsea · Bookmark this water page and check it before each trip · Report a missing notice or error
Reports behind this status
- Caution Combined sewer overflow (CSO) · CITY OF CHELSEA · CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE · Oct 11, 2026, 10:30 PM EDT to end time not reported · volume not reported · Discharge record with unclear status, current rule period ends Nov 3, 2026, 5:34 PM EST
Source: CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record fd704e2d-0bdc-4490-9808-15037e5e0766, published Oct 20, 2026, 6:34 PM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice
- Caution Combined sewer overflow (CSO) · CITY OF CHELSEA · CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE · Oct 11, 2026, 8:25 PM EDT to end time not reported · volume not reported · Discharge record with unclear status, current rule period ends Nov 3, 2026, 5:33 PM EST
Source: CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 58715ee5-5c6b-4be2-8223-1bbc235b3fa2, published Oct 20, 2026, 6:33 PM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice
Advice in the reports
CITY OF CHELSEA (MassDEP sewage notification portal) · Oct 20, 2026 · Current status: sets this water's status now
“Avoid contact with these water bodies for 48 hours after the discharge or overflow ceases due to increased health risks from bacteria and other pollutants. See website for more information on whether specific resource areas, such as bathing beaches, are affected.”
Map
Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.
Estimated downstream stretches on Chelsea River
No downstream stretch has a current status here as of Nov 2, 2026, 11:21 AM EST. Check the reports below.
The last 90 days
- Caution: Oct 20, 2026, 6:00 PM EDT to the latest update · from report 1, report 2
- Caution: Oct 13, 2026, 11:00 PM EDT to Oct 14, 2026, 11:00 PM EDT · from report 1, report 2
- Discharge or advisory reported: Oct 11, 2026, 6:00 PM EDT to Oct 13, 2026, 11:00 PM EDT · from report 1, report 2
- Caution: Sep 30, 2026, 9:00 AM EDT to Oct 1, 2026, 9:00 AM EDT · from report 1, report 2
- Discharge or advisory reported: Sep 27, 2026, 9:00 AM EDT to Sep 30, 2026, 9:00 AM EDT · from report 1, report 2
Source: DirtyWaterWatch calculations using the reports linked above and the published status rules. Updated 2026-11-02 16:21 UTC.
Reported discharges over time
- Discharge events, last 12 months8Dec 2025 to Nov 2026
- Days with a discharge, last 12 months7Dec 2025 to Nov 2026
- Hours under advisory, last 12 months291Dec 2025 to Nov 2026
- 2026 season under advisory6.6%May to October; 291 h
Discharge events per month
37 events, Jan 2022 to Nov 2026. Counted from 37 verified or annual reports.
- Combined sewer overflow
- Sanitary sewer overflow
- Bypass, blended or other
- No source
- Partly covered or sparse source
No source covers 2022-01 to 2022-05. MassDEP portal records begin 2022-06-30. Verified Data Reports arrive after the month ends, so the latest months count public notices.
Source: MassDEP sewage notification portal. Covered 2022-06-30 to 2026-11-02.
Show table
| Month | Combined sewer overflow | Sanitary sewer overflow | Bypass, blended or other | Total | Counted from | Coverage |
|---|---|---|---|---|---|---|
| Jan 2022 | 0 | 0 | 0 | 0 | No source | |
| Feb 2022 | 0 | 0 | 0 | 0 | No source | |
| Mar 2022 | 0 | 0 | 0 | 0 | No source | |
| Apr 2022 | 0 | 0 | 0 | 0 | No source | |
| May 2022 | 0 | 0 | 0 | 0 | No source | |
| Jun 2022 | 0 | 0 | 0 | 0 | Partly covered or sparse source | |
| Jul 2022 | 0 | 0 | 0 | 0 | ||
| Aug 2022 | 0 | 0 | 0 | 0 | ||
| Sep 2022 | 0 | 0 | 0 | 0 | ||
| Oct 2022 | 4 | 0 | 0 | 4 | Verified or annual reports | |
| Nov 2022 | 1 | 0 | 0 | 1 | Verified or annual reports | |
| Dec 2022 | 0 | 0 | 0 | 0 | ||
| Jan 2023 | 0 | 0 | 0 | 0 | ||
| Feb 2023 | 0 | 0 | 0 | 0 | ||
| Mar 2023 | 1 | 0 | 0 | 1 | Verified or annual reports | |
| Apr 2023 | 0 | 0 | 0 | 0 | ||
| May 2023 | 0 | 0 | 0 | 0 | ||
| Jun 2023 | 0 | 0 | 0 | 0 | ||
| Jul 2023 | 7 | 0 | 0 | 7 | Verified or annual reports | |
| Aug 2023 | 2 | 0 | 0 | 2 | Verified or annual reports | |
| Sep 2023 | 0 | 0 | 0 | 0 | ||
| Oct 2023 | 0 | 0 | 0 | 0 | ||
| Nov 2023 | 0 | 0 | 0 | 0 | ||
| Dec 2023 | 0 | 0 | 0 | 0 | ||
| Jan 2024 | 2 | 0 | 0 | 2 | Verified or annual reports | |
| Feb 2024 | 0 | 0 | 0 | 0 | ||
| Mar 2024 | 0 | 0 | 0 | 0 | ||
| Apr 2024 | 0 | 0 | 0 | 0 | ||
| May 2024 | 0 | 0 | 0 | 0 | ||
| Jun 2024 | 2 | 0 | 0 | 2 | Verified or annual reports | |
| Jul 2024 | 1 | 0 | 0 | 1 | Verified or annual reports | |
| Aug 2024 | 2 | 0 | 0 | 2 | Verified or annual reports | |
| Sep 2024 | 0 | 0 | 0 | 0 | ||
| Oct 2024 | 0 | 0 | 0 | 0 | ||
| Nov 2024 | 0 | 0 | 0 | 0 | ||
| Dec 2024 | 1 | 0 | 0 | 1 | Verified or annual reports | |
| Jan 2025 | 0 | 0 | 0 | 0 | ||
| Feb 2025 | 0 | 0 | 0 | 0 | ||
| Mar 2025 | 1 | 0 | 0 | 1 | Verified or annual reports | |
| Apr 2025 | 0 | 0 | 0 | 0 | ||
| May 2025 | 0 | 0 | 0 | 0 | ||
| Jun 2025 | 0 | 0 | 0 | 0 | ||
| Jul 2025 | 1 | 0 | 0 | 1 | Verified or annual reports | |
| Aug 2025 | 1 | 0 | 0 | 1 | Verified or annual reports | |
| Sep 2025 | 2 | 0 | 0 | 2 | Verified or annual reports | |
| Oct 2025 | 1 | 0 | 0 | 1 | Verified or annual reports | |
| Nov 2025 | 0 | 0 | 0 | 0 | ||
| Dec 2025 | 0 | 0 | 0 | 0 | ||
| Jan 2026 | 0 | 0 | 0 | 0 | ||
| Feb 2026 | 0 | 0 | 0 | 0 | ||
| Mar 2026 | 0 | 0 | 0 | 0 | ||
| Apr 2026 | 0 | 0 | 0 | 0 | ||
| May 2026 | 0 | 0 | 0 | 0 | ||
| Jun 2026 | 2 | 0 | 0 | 2 | Verified or annual reports | |
| Jul 2026 | 2 | 0 | 0 | 2 | Verified or annual reports | |
| Aug 2026 | 0 | 0 | 0 | 0 | ||
| Sep 2026 | 2 | 0 | 0 | 2 | Verified or annual reports | |
| Oct 2026 | 2 | 0 | 0 | 2 | Verified or annual reports | |
| Nov 2026 | 0 | 0 | 0 | 0 |
Hours under advisory per month
Hours this water was under an advisory, by the map's red rules.
- Advisory in effect
- No source
- Partly covered or sparse source
No source covers 2022-01 to 2022-05. MassDEP portal records begin 2022-06-30. Verified Data Reports arrive after the month ends, so the latest months count public notices.
Source: MassDEP sewage notification portal. Covered 2022-06-30 to 2026-11-02.
Show table
| Month | Hours under advisory | From discharge windows | Hours in month | Coverage |
|---|---|---|---|---|
| Jan 2022 | 0 | 0 | 744 | No source |
| Feb 2022 | 0 | 0 | 672 | No source |
| Mar 2022 | 0 | 0 | 744 | No source |
| Apr 2022 | 0 | 0 | 720 | No source |
| May 2022 | 0 | 0 | 744 | No source |
| Jun 2022 | 0 | 0 | 720 | Partly covered or sparse source |
| Jul 2022 | 0 | 0 | 744 | |
| Aug 2022 | 0 | 0 | 744 | |
| Sep 2022 | 0 | 0 | 720 | |
| Oct 2022 | 61 | 61 | 744 | |
| Nov 2022 | 5 | 5 | 720 | |
| Dec 2022 | 44 | 44 | 744 | |
| Jan 2023 | 0 | 0 | 744 | |
| Feb 2023 | 0 | 0 | 672 | |
| Mar 2023 | 48 | 48 | 744 | |
| Apr 2023 | 0 | 0 | 720 | |
| May 2023 | 0 | 0 | 744 | |
| Jun 2023 | 0 | 0 | 720 | |
| Jul 2023 | 200 | 200 | 744 | |
| Aug 2023 | 50 | 50 | 744 | |
| Sep 2023 | 0 | 0 | 720 | |
| Oct 2023 | 0 | 0 | 744 | |
| Nov 2023 | 0 | 0 | 720 | |
| Dec 2023 | 0 | 0 | 744 | |
| Jan 2024 | 49 | 49 | 744 | |
| Feb 2024 | 0 | 0 | 696 | |
| Mar 2024 | 0 | 0 | 744 | |
| Apr 2024 | 0 | 0 | 720 | |
| May 2024 | 0 | 0 | 744 | |
| Jun 2024 | 48 | 48 | 720 | |
| Jul 2024 | 48 | 48 | 744 | |
| Aug 2024 | 95 | 95 | 744 | |
| Sep 2024 | 0 | 0 | 720 | |
| Oct 2024 | 0 | 0 | 744 | |
| Nov 2024 | 0 | 0 | 720 | |
| Dec 2024 | 48 | 48 | 744 | |
| Jan 2025 | 0 | 0 | 744 | |
| Feb 2025 | 0 | 0 | 672 | |
| Mar 2025 | 48 | 48 | 744 | |
| Apr 2025 | 0 | 0 | 720 | |
| May 2025 | 0 | 0 | 744 | |
| Jun 2025 | 0 | 0 | 720 | |
| Jul 2025 | 48 | 48 | 744 | |
| Aug 2025 | 48 | 48 | 744 | |
| Sep 2025 | 96 | 96 | 720 | |
| Oct 2025 | 48 | 48 | 744 | |
| Nov 2025 | 0 | 0 | 720 | |
| Dec 2025 | 0 | 0 | 744 | |
| Jan 2026 | 0 | 0 | 744 | |
| Feb 2026 | 0 | 0 | 672 | |
| Mar 2026 | 0 | 0 | 744 | |
| Apr 2026 | 0 | 0 | 720 | |
| May 2026 | 0 | 0 | 744 | |
| Jun 2026 | 55 | 55 | 720 | |
| Jul 2026 | 113 | 113 | 744 | |
| Aug 2026 | 0 | 0 | 744 | |
| Sep 2026 | 71 | 71 | 720 | |
| Oct 2026 | 52 | 52 | 744 | |
| Nov 2026 | 0 | 0 | 36 |
Days with a discharge per month
A day counts when any counted discharge was under way on it (start to reported end, local time); an event with no end counts its start day.
- No source
- Partly covered or sparse source
No source covers 2022-01 to 2022-05.
Source: MassDEP sewage notification portal. Covered 2022-06-30 to 2026-11-02.
Show table
| Month | Days with a discharge | Coverage |
|---|---|---|
| Jan 2022 | 0 | No source |
| Feb 2022 | 0 | No source |
| Mar 2022 | 0 | No source |
| Apr 2022 | 0 | No source |
| May 2022 | 0 | No source |
| Jun 2022 | 0 | Partly covered or sparse source |
| Jul 2022 | 0 | |
| Aug 2022 | 0 | |
| Sep 2022 | 0 | |
| Oct 2022 | 2 | |
| Nov 2022 | 1 | |
| Dec 2022 | 0 | |
| Jan 2023 | 0 | |
| Feb 2023 | 0 | |
| Mar 2023 | 1 | |
| Apr 2023 | 0 | |
| May 2023 | 0 | |
| Jun 2023 | 0 | |
| Jul 2023 | 5 | |
| Aug 2023 | 1 | |
| Sep 2023 | 0 | |
| Oct 2023 | 0 | |
| Nov 2023 | 0 | |
| Dec 2023 | 0 | |
| Jan 2024 | 1 | |
| Feb 2024 | 0 | |
| Mar 2024 | 0 | |
| Apr 2024 | 0 | |
| May 2024 | 0 | |
| Jun 2024 | 1 | |
| Jul 2024 | 1 | |
| Aug 2024 | 2 | |
| Sep 2024 | 0 | |
| Oct 2024 | 0 | |
| Nov 2024 | 0 | |
| Dec 2024 | 1 | |
| Jan 2025 | 0 | |
| Feb 2025 | 0 | |
| Mar 2025 | 1 | |
| Apr 2025 | 0 | |
| May 2025 | 0 | |
| Jun 2025 | 0 | |
| Jul 2025 | 1 | |
| Aug 2025 | 1 | |
| Sep 2025 | 2 | |
| Oct 2025 | 1 | |
| Nov 2025 | 0 | |
| Dec 2025 | 0 | |
| Jan 2026 | 0 | |
| Feb 2026 | 0 | |
| Mar 2026 | 0 | |
| Apr 2026 | 0 | |
| May 2026 | 0 | |
| Jun 2026 | 2 | |
| Jul 2026 | 2 | |
| Aug 2026 | 0 | |
| Sep 2026 | 2 | |
| Oct 2026 | 1 | |
| Nov 2026 | 0 |
Reported volume per year
Gallons, summed from the 37 events that gave a number.
- Partly covered or sparse source
Source: MassDEP sewage notification portal. Covered 2022-06-30 to 2026-11-02.
Show table
| Year | Gallons | Events with a number | Events without | Coverage |
|---|---|---|---|---|
| 2022 | 286,000 | 5 | 0 | Partly covered or sparse source |
| 2023 | 996,178 | 10 | 0 | |
| 2024 | 347,507 | 8 | 0 | |
| 2025 | 94,707 | 6 | 0 | |
| 2026 | 395,488 | 8 | 0 |
Hours under advisory per year
Hours under advisory each year; 2026 to date.
- Advisory in effect
- Partly covered or sparse source
Source: MassDEP sewage notification portal. Covered 2022-06-30 to 2026-11-02.
Show table
| Year | Hours under advisory | Share of the year | Coverage |
|---|---|---|---|
| 2022 | 110 | 1.3% | Partly covered or sparse source |
| 2023 | 298 | 3.4% | |
| 2024 | 289 | 3.3% | |
| 2025 | 289 | 3.3% | |
| 2026 | 291 | 4.0% |
Discharge events by calendar month, all years
Every counted discharge event, by the calendar month it began.
Months are summed over every year a source covers; the table gives the number of years behind each month.
Source: MassDEP sewage notification portal. Covered 2022-06-30 to 2026-11-02.
Show table
| Month | Events | Years of records |
|---|---|---|
| Jan | 2 | 4 |
| Feb | 0 | 4 |
| Mar | 2 | 4 |
| Apr | 0 | 4 |
| May | 0 | 4 |
| Jun | 4 | 5 |
| Jul | 11 | 5 |
| Aug | 5 | 5 |
| Sep | 4 | 5 |
| Oct | 7 | 5 |
| Nov | 1 | 5 |
| Dec | 1 | 4 |
Discharge events by outfall
The 2 outfalls with the most events of 2, all years.
MassDEP portal records begin 2022-06-30. Verified Data Reports arrive after the month ends, so the latest months count public notices.
Source: MassDEP sewage notification portal. Covered 2022-06-30 to 2026-11-02.
Show table
| Outfall | Discharger | Events |
|---|---|---|
| CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | CITY OF CHELSEA | 30 |
| BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | BOSTON WATER & SEWER COMMISSION | 7 |
How these charts are counted
Discharge events are counted once: where a source publishes both public notices and verified reports (MassDEP, Vermont DEC), a discharger's month with any verified report counts its verified reports only, and other months count notices. Revisions are folded into the record they revise, and EPA copies of a state report are not counted twice. Monthly and yearly totals (Maine DEP, EPA discharge monitoring reports, Portsmouth) are shown on their own and never added to the event counts. Hours under advisory follow the map's red rules. A muted band marks periods no source covers: a gap there is missing data, not a quiet month.
- MassDEP sewage notification portal: 2022-06-30 to now
Reports linked to Chelsea River
| Start | End | Sewer operator | Outlet | Type | Volume | Source | Links |
|---|---|---|---|---|---|---|---|
| Oct 11, 2026, 10:30 PM EDT | end time not reported | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record fd704e2d-0bdc-4490-9808-15037e5e0766, published Oct 20, 2026, 6:34 PM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Oct 11, 2026, 10:30 PM EDT · Map |
| Oct 11, 2026, 9:30 PM EDT | Oct 11, 2026, 10:15 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 48,091 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 335f9ae5-d8af-48b7-94ef-ffa733ff03fe, published Oct 20, 2026, 6:43 PM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Oct 11, 2026, 9:30 PM EDT · Map |
| Oct 11, 2026, 9:05 PM EDT | Oct 11, 2026, 10:15 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 2c3325e2-e087-4e98-910a-b0f60386e174, published Oct 20, 2026, 6:33 PM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Oct 11, 2026, 9:05 PM EDT · Map |
| Oct 11, 2026, 8:25 PM EDT | end time not reported | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 58715ee5-5c6b-4be2-8223-1bbc235b3fa2, published Oct 20, 2026, 6:33 PM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Oct 11, 2026, 8:25 PM EDT · Map |
| Oct 11, 2026, 8:00 PM EDT | Oct 11, 2026, 8:10 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 313944f6-9ad0-4551-9d05-1537eda60be6, published Oct 20, 2026, 6:34 PM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Oct 11, 2026, 8:00 PM EDT · Map |
| Oct 11, 2026, 6:45 PM EDT | Oct 11, 2026, 8:10 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 48,092 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 91d53ba4-45b8-4e6a-b46b-f1a0276f1709, published Oct 20, 2026, 6:40 PM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Oct 11, 2026, 6:45 PM EDT · Map |
| Sep 28, 2026, 8:35 AM EDT | Sep 28, 2026, 8:45 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 2,000 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record c2bcf344-5cf6-4017-9844-3638aa7d5d19, published Oct 5, 2026, 11:40 AM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Sep 28, 2026, 8:35 AM EDT · Map |
| Sep 28, 2026, 8:35 AM EDT | Sep 28, 2026, 8:45 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record ed4bddd3-d08c-4d0c-9350-3ff141629a71, published Sep 30, 2026, 10:22 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Sep 28, 2026, 8:35 AM EDT · Map |
| Sep 27, 2026, 9:20 AM EDT | Sep 27, 2026, 9:35 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 21,000 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 906514a6-eb65-419d-aceb-bbb0e8a20abf, published Oct 5, 2026, 11:35 AM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Sep 27, 2026, 9:20 AM EDT · Map |
| Sep 27, 2026, 9:20 AM EDT | Sep 27, 2026, 9:35 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record cd83c023-4bae-4338-8c57-58553bbddd47, published Sep 30, 2026, 10:20 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Sep 27, 2026, 9:20 AM EDT · Map |
| Jul 22, 2026, 4:30 PM EDT | Jul 22, 2026, 4:50 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 196,947 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 0e506833-21e7-4875-8eac-6c5a11ed2ad1, published Jul 24, 2026, 10:21 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Jul 22, 2026, 4:30 PM EDT · Map |
| Jul 22, 2026, 4:30 PM EDT | Jul 22, 2026, 4:50 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 3224f25f-505b-49f8-8861-9ad4afad7e9b, published Jul 23, 2026, 11:51 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Jul 22, 2026, 4:30 PM EDT · Map |
| Jul 21, 2026, 5:45 PM EDT | Jul 21, 2026, 5:55 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 3,280 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 8d971d7d-3955-46aa-ad49-1ec993acd3ef, published Jul 24, 2026, 8:40 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Jul 21, 2026, 5:45 PM EDT · Map |
| Jul 21, 2026, 5:45 PM EDT | Jul 21, 2026, 5:55 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 87b005d3-3c5e-41c0-b8e8-b22423f39a77, published Jul 21, 2026, 6:04 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Jul 21, 2026, 5:45 PM EDT · Map |
| Jun 30, 2026, 5:55 PM EDT | Jun 30, 2026, 6:10 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 47,931 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 3a5ce3d0-12b5-4148-a001-586c39072f6c, published Jul 2, 2026, 9:38 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Jun 30, 2026, 5:55 PM EDT · Map |
| Jun 30, 2026, 5:55 PM EDT | Jun 30, 2026, 6:10 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 57a6583f-623a-4a39-bf2c-8023c99483a8, published Jun 30, 2026, 6:17 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Jun 30, 2026, 5:55 PM EDT · Map |
| Jun 18, 2026, 6:40 PM EDT | Jun 18, 2026, 7:05 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 28,147 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 063a2b7d-f62e-4714-9262-fcea83281029, published Jun 22, 2026, 2:19 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Jun 18, 2026, 6:40 PM EDT · Map |
| Jun 18, 2026, 6:40 PM EDT | Jun 18, 2026, 7:05 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 350004b8-93f7-49ab-8098-2a07d8a8c086, published Jun 22, 2026, 8:46 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Read report: Combined sewer overflow (CSO), CITY OF CHELSEA, Jun 18, 2026, 6:40 PM EDT · Map |
| Oct 8, 2025, 9:05 AM EDT | Oct 8, 2025, 8:30 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 2418063e-f46c-4ed2-b34d-ea7e77167ab7, published Oct 31, 2025, 10:32 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Oct 8, 2025, 8:15 AM EDT | Oct 8, 2025, 8:30 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 29,967 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 8ca6b47f-fd57-4a1c-8ca1-5b077b3e80f2, published Nov 3, 2025, 4:32 PM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Sep 25, 2025, 10:05 AM EDT | Sep 25, 2025, 10:15 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 11,606 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 5b9d3ebe-5353-4e98-8459-4e7277ce6c82, published Oct 2, 2025, 3:15 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Sep 25, 2025, 10:05 AM EDT | Sep 25, 2025, 10:15 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 428ea9ca-b33f-4ab1-839e-5c37a04b2da1, published Sep 25, 2025, 11:21 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Sep 6, 2025, 6:15 PM EDT | Sep 6, 2025, 6:25 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 24,632 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 64aea2fe-f351-423e-b46f-db12b8b08958, published Sep 9, 2025, 4:59 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Sep 6, 2025, 6:15 PM EDT | Sep 6, 2025, 6:25 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 5f268d89-ca6b-475d-8b73-5d8d631051b9, published Sep 8, 2025, 8:25 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 21, 2025, 9:35 AM EDT | Aug 21, 2025, 9:35 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 0 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 55ec94e5-d809-49a4-9d0f-7df86cad7116, published Aug 26, 2025, 10:44 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 21, 2025, 9:35 AM EDT | Aug 21, 2025, 9:35 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record b78fd66e-4e24-404b-a734-51792dcdf73c, published Aug 21, 2025, 10:40 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 25, 2025, 2:10 PM EDT | Jul 25, 2025, 2:20 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 25,698 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 8c1e07f2-c210-48b5-acae-20f056c7a289, published Aug 5, 2025, 9:42 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Mar 17, 2025, 4:25 AM EDT | Mar 17, 2025, 3:30 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 7b77ab18-0b99-4d90-b039-d2f7891aca77, published Mar 17, 2025, 10:03 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Mar 17, 2025, 3:20 AM EDT | Mar 17, 2025, 3:30 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 2,804 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 7cb76578-cb54-4ff3-bc15-0112cb823b9e, published Mar 18, 2025, 6:30 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Dec 11, 2024, 6:40 PM EST | Dec 11, 2024, 6:55 PM EST | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 66,371 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 4b5a6e2f-53b9-49cd-a2ea-e8b596675b03, published Dec 13, 2024, 9:58 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Dec 11, 2024, 6:40 PM EST | Dec 11, 2024, 6:55 PM EST | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 1b664a98-7059-49a6-95f0-41da2c22c3d7, published Dec 12, 2024, 9:04 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 4, 2024, 3:55 PM EDT | Aug 4, 2024, 4:05 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 3,863 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 5910e011-5119-47e4-8896-f7e30773945b, published Aug 13, 2024, 5:22 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 4, 2024, 3:55 PM EDT | Aug 4, 2024, 4:05 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 4867c609-be86-4319-bf7f-2586d568da54, published Aug 5, 2024, 11:12 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 2, 2024, 4:45 PM EDT | Aug 2, 2024, 5:00 PM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO) | 20,000 gallons | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record d2262f93-c19e-40cc-a5b2-e214bd6648ba, published Sep 10, 2024, 4:45 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 2, 2024, 4:45 PM EDT | Aug 2, 2024, 5:00 PM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO)Earlier version | volume not reported | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 2c7715c2-7e7b-4179-981f-8d22f0617adc, published Aug 2, 2024, 9:23 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 5, 2024, 7:55 AM EDT | Jul 5, 2024, 8:00 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 12,354 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 489c1bef-9eda-4c0d-af07-678836a43b9b, published Jul 9, 2024, 8:42 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 5, 2024, 7:55 AM EDT | Jul 5, 2024, 8:00 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 61605e06-40c8-4787-a65f-b101749a26ff, published Jul 8, 2024, 10:32 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jun 14, 2024, 1:50 PM EDT | Jun 14, 2024, 2:00 PM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO) | 2,000 gallons | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 28323802-dad3-43d9-a34d-8b7b818f7930, published Jul 12, 2024, 10:41 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jun 14, 2024, 1:50 PM EDT | Jun 14, 2024, 2:00 PM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO)Earlier version | volume not reported | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 45998ec9-bafa-4344-8750-6bf93642f320, published Jul 12, 2024, 10:39 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jun 14, 2024, 1:50 PM EDT | Jun 14, 2024, 2:10 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 153,999 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 83ac40eb-22df-42fd-8331-b59b5e5feb1e, published Jun 26, 2024, 8:52 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jun 14, 2024, 1:50 PM EDT | Jun 14, 2024, 2:10 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 2a1ca4ba-e103-4ffd-906c-5b7dc9eae807, published Jun 15, 2024, 12:59 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jan 10, 2024, 4:15 AM EST | Jan 10, 2024, 4:40 AM EST | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 6c0c1a56-8a0a-4806-b704-bb4b26f2e56b, published Jan 10, 2024, 10:32 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jan 10, 2024, 4:05 AM EST | Jan 10, 2024, 4:15 AM EST | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO)Earlier version | volume not reported | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 8e4ac3ee-9586-4f4b-a19f-becc320337b5, published Feb 14, 2024, 3:08 PM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jan 10, 2024, 4:05 AM EST | Jan 10, 2024, 4:15 AM EST | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO) | 2,000 gallons | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 438a7683-211c-4af1-90c8-6d5feca67b93, published Feb 14, 2024, 2:59 PM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jan 10, 2024, 4:00 AM EST | Jan 10, 2024, 4:40 AM EST | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 86,920 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 6d0955b7-d3fe-4572-8cb4-cd0649c7f4f5, published Jan 11, 2024, 2:16 PM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 8, 2023, 12:15 PM EDT | Aug 8, 2023, 12:25 PM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO) | 500 gallons | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record c74806b7-1eeb-44ac-8d72-9ffa1cc1bee6, published Sep 14, 2023, 1:47 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 8, 2023, 12:00 PM EDT | Aug 8, 2023, 12:25 PM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO)Earlier version | volume not reported | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record bcdebec3-c76e-43fa-9ede-174edaa6ba4d, published Aug 8, 2023, 3:49 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 8, 2023, 10:30 AM EDT | Aug 8, 2023, 11:45 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 116,148 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 052e41bd-d60b-4364-ac65-605cc2cb9b12, published Sep 12, 2023, 4:26 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Aug 8, 2023, 10:30 AM EDT | Aug 8, 2023, 11:45 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 2f319927-564e-467c-8aa9-34f82d104f30, published Aug 9, 2023, 11:09 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 29, 2023, 5:35 PM EDT | Jul 29, 2023, 8:30 PM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO) | 38,000 gallons | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 4acd7eb2-0ddd-48f4-a128-2c6422b84ca4, published Aug 14, 2023, 1:36 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 29, 2023, 5:35 PM EDT | Jul 29, 2023, 8:30 PM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO)Earlier version | volume not reported | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record c97da961-72d9-422c-b251-9df2c6ef2142, published Jul 30, 2023, 8:53 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 29, 2023, 5:10 PM EDT | Jul 29, 2023, 6:00 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 598,297 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 5a049421-73f4-4ed7-8604-5ba509623492, published Aug 15, 2023, 1:19 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 29, 2023, 5:10 PM EDT | Jul 29, 2023, 6:00 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 592dab5f-0620-4499-98d8-17d1288bb50e, published Jul 31, 2023, 10:10 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 21, 2023, 10:50 PM EDT | Jul 22, 2023, 12:15 AM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO) | 1,000 gallons | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 4326eb65-49a8-4482-a3d6-7e0b566b3ba5, published Aug 14, 2023, 1:35 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 21, 2023, 8:35 PM EDT | Jul 21, 2023, 10:15 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 228,583 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 29b39ef2-8dc3-4338-ba0a-2876750f37c3, published Aug 15, 2023, 1:11 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 16, 2023, 12:05 PM EDT | Jul 16, 2023, 12:15 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 8,400 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 6b42e76e-1948-4d27-b66d-767a7c89bf0e, published Aug 15, 2023, 12:51 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 16, 2023, 12:05 PM EDT | Jul 16, 2023, 12:15 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record cfca125e-fc3a-48d5-9d97-096383540d64, published Jul 17, 2023, 10:36 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 16, 2023, 11:50 AM EDT | Jul 16, 2023, 12:00 PM EDT | BOSTON WATER & SEWER COMMISSION | BOS014 ON LINE BETWN 338 AND S70 E EAGLE ST | Combined sewer overflow (CSO) | 50 gallons | BOSTON WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 3c438b15-5204-4920-8852-cd8508965aed, published Aug 14, 2023, 1:34 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 10, 2023, 2:30 PM EDT | Jul 10, 2023, 2:45 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 3,200 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 257021da-a19a-4262-8118-bfe027ca5e38, published Aug 15, 2023, 12:46 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Jul 10, 2023, 2:30 PM EDT | Jul 10, 2023, 2:45 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record e87fface-db10-439d-9dae-244202bb89bc, published Jul 11, 2023, 11:57 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Mar 14, 2023, 10:55 AM EDT | Mar 14, 2023, 11:05 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 2,000 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record ed9327f5-2ad8-4cf0-bf82-89ee97c00a60, published Oct 27, 2023, 9:08 AM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Mar 14, 2023, 10:55 AM EDT | Mar 14, 2023, 11:05 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record ecd6b411-72c3-41e8-92a5-31a01db65029, published Mar 16, 2023, 4:32 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Nov 30, 2022, 7:25 PM EST | Nov 30, 2022, 7:50 PM EST | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 88,000 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 54834772-15f8-442b-b342-d881dad173ff, published Jan 19, 2023, 11:34 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Nov 30, 2022, 7:25 PM EST | Nov 30, 2022, 7:50 PM EST | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 0c34b2f1-75e0-43a4-8075-51f351a9b9b8, published Dec 13, 2022, 2:29 PM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Nov 30, 2022, 7:25 PM EST | Nov 30, 2022, 7:50 PM EST | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 138fbfea-cd51-4495-8a2a-295e4522f513, published Dec 1, 2022, 10:47 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Oct 14, 2022, 8:35 AM EDT | Oct 14, 2022, 9:30 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 78,000 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 825105e8-f0f1-4588-8205-83ba35bde690, published Jan 19, 2023, 11:23 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Oct 14, 2022, 8:35 AM EDT | Oct 14, 2022, 9:30 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 78,000 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 00a99de7-03bd-46ad-9333-5e31b8f745e4, published Nov 15, 2022, 9:20 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Oct 14, 2022, 8:35 AM EDT | Oct 14, 2022, 9:30 AM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 9454caae-7c4f-451d-a73e-39a227620a85, published Oct 14, 2022, 3:14 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Oct 13, 2022, 8:20 PM EDT | Oct 13, 2022, 8:45 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 21,000 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 539cd8e3-c8b2-4bfc-aa5e-01f3506a3a55, published Jan 19, 2023, 11:18 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Oct 13, 2022, 8:20 PM EDT | Oct 13, 2022, 8:45 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO) | 21,000 gallons | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 6da55ab6-a87a-4010-8320-12a79eac5a24, published Nov 15, 2022, 9:13 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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| Oct 13, 2022, 8:20 PM EDT | Oct 13, 2022, 8:45 PM EDT | CITY OF CHELSEA | CHE008 NORTHERN EDGE OF GULF BULK OIL STORAGE | Combined sewer overflow (CSO)Earlier version | volume not reported | CITY OF CHELSEA (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 3646fe98-dd2b-40dc-afb2-516e187ee26c, published Oct 14, 2022, 3:08 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice | Open record below · Map |
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Wastewater outlets on this water
Outfall: a pipe or outlet where wastewater enters a water body.
No wastewater outlet in our records is linked to this water.
Sewer operators listed for this water: City of Chelsea, Boston Water and Sewer Commission.
Boat launches
No public boat launch is listed in our records for this water.
Sources covering this water
- MassDEP CSO API behind the portal · Latest check succeeded · Last successful check: 2026-11-02 15:54 UTC
71 records linked to this water. Updated Nov 2, 2026, 11:21 AM EST.