Discharges in effect
Every reported discharge that is ongoing or ended less than the authority's advice window ago, newest first, as of Nov 2, 2026, 6:56 AM EST. Each row links to its full record and to the map at the outfall. Every tracked event has its own list with filters.
Source: the event records below, each cited in its row; in effect as worked out by DirtyWaterWatch from the rules on the methods page, as of 2026-11-02 11:56 UTC.
Advisory in effect 1 discharge ongoing or inside the window
| Start | End | Water | Discharger | Outfall | Type | Volume | Source | Links |
|---|---|---|---|---|---|---|---|---|
| Oct 30, 2026, 1:00 PM EDT | ongoing (as reported) | Quinnipiac River, CT | PLAINVILLE WPCF | Sewer Main, 4 Carol Dr, Plainville, CT | Sanitary sewer overflow | “Ongoing - TBD” | PLAINVILLE WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 11641, the source gives no report time, retrieved 2026-11-02 11:53 UTC · notice | Event: Sanitary sewer overflow, PLAINVILLE WPCF, Oct 30, 2026, 1:00 PM EDT · Map |
Advisory in effect 3 official advisories in effect
Beach closures and advisories, cyanobacteria advisories and shellfish closures, in effect until the authority lifts them.
| Start | End | Water | Discharger | Outfall | Type | Volume | Source | Links |
|---|---|---|---|---|---|---|---|---|
| Oct 23, 2026, 10:01 AM EDT | in effect | Lake Carmi, VT | not stated | not stated | Cyanobacteria advisory | not reported | Vermont Department of Health (Cyanobacteria Tracker; volunteer and staff observations) via vt-advisories, record cyano:e9b61913-e772-4a8e-8219-1596a491eeed, reported Oct 23, 2026, 10:01 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Cyanobacteria advisory, , Oct 23, 2026, 10:01 AM EDT · Map |
| Oct 22, 2026, 1:00 PM EDT | in effect | Lake Carmi, VT | not stated | not stated | Cyanobacteria advisory | not reported | Vermont Department of Health (Cyanobacteria Tracker; volunteer and staff observations) via vt-advisories, record cyano:159c5585-65ed-4160-8e9f-607e58c8e080, reported Oct 22, 2026, 1:00 PM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Cyanobacteria advisory, , Oct 22, 2026, 1:00 PM EDT · Map |
| Oct 20, 2026, 10:03 AM EDT | in effect | Shelburne Pond, VT | not stated | not stated | Cyanobacteria advisory | not reported | Vermont Department of Health (Cyanobacteria Tracker; volunteer and staff observations) via vt-advisories, record cyano:50fec305-06ea-4322-8b31-7b3561eeb487, reported Oct 20, 2026, 10:03 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Cyanobacteria advisory, , Oct 20, 2026, 10:03 AM EDT · Map |
Caution 21 records in the caution span
The authority's window has passed but the discharge ended less than the caution span ago (72 hours by default; see the methods page), or a discharge with no reported end began recently.
| Start | End | Water | Discharger | Outfall | Type | Volume | Source | Links |
|---|---|---|---|---|---|---|---|---|
| Oct 23, 2026, 7:00 AM EDT | not reported | Connecticut River, VT | Hartford - WRJ | White River Junction | Treatment plant bypass | 450,000 gal | Hartford - WRJ (incident report on the VT DEC Sewage Overflows page; pending DEC review) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record pending:HQS-H6FX-2GH8F, the source gives no report time, retrieved 2026-11-02 11:55 UTC · notice | Event: Treatment plant bypass, Hartford - WRJ, Oct 23, 2026, 7:00 AM EDT · Map |
| Oct 16, 2026, 6:55 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR016 YORK ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 4d712e65-4444-4861-a31a-c1eb7b6110fe, published Oct 19, 2026, 8:43 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 16, 2026, 6:55 PM EDT · Map |
| Oct 16, 2026, 6:50 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR014 ELM ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 8ae07334-6731-486d-ae7a-1b3737f23f45, published Oct 19, 2026, 8:44 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 16, 2026, 6:50 PM EDT · Map |
| Oct 16, 2026, 6:50 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR042 SPRINGFIELD WWTP BYPASS AT BONDI'S ISLAND | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 1f3939b3-ee0b-47da-b0a9-6779f0ce1aab, published Oct 19, 2026, 8:42 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 16, 2026, 6:50 PM EDT · Map |
| Oct 16, 2026, 6:45 PM EDT | ended, time not reported | Lake Massasoit, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR025 ALLEN & OAKLAND STS. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 788b492a-cd0d-42b6-bf80-1b8598f0bbe9, published Oct 19, 2026, 8:41 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 16, 2026, 6:45 PM EDT · Map |
| Oct 16, 2026, 9:25 AM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR010 CLINTON ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 7763feb9-d8d6-464e-93d1-9dddfeaef94e, published Oct 19, 2026, 8:36 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 16, 2026, 9:25 AM EDT · Map |
| Oct 16, 2026, 9:20 AM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR012 WORTHINGTON ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record b8f17ceb-2f5c-4983-b19f-2bf55f2cca83, published Oct 19, 2026, 8:37 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 16, 2026, 9:20 AM EDT · Map |
| Oct 16, 2026, 8:30 AM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL09 BERKSHIRE ST. | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record ea8906b2-6869-4463-a9e7-795e827e826e, published Oct 19, 2026, 8:30 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 16, 2026, 8:30 AM EDT · Map |
| Oct 16, 2026, 7:10 AM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL08 SPRINGDALE PARK | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 1b0d9fb0-111b-49e6-9b23-ada7b2e17e48, published Oct 19, 2026, 8:29 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 16, 2026, 7:10 AM EDT · Map |
| Oct 16, 2026, 7:10 AM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL018 WALNUT ST. | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record a8bf4ded-7af5-426a-baf1-7cf5498393a5, published Oct 19, 2026, 8:26 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 16, 2026, 7:10 AM EDT · Map |
| Mar 23, 2026 | ended, time not reported | Seekonk River, RI | Narragansett Bay Commission - Bucklin Point WWTF and associated CSOs | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3687360434, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, Narragansett Bay Commission - Bucklin Point WWTF and associated CSOs, Mar 23, 2026 · Map |
| Aug 29, 2025 | ended, time not reported | Narragansett Bay, RI | City of Newport Utilities - Water Pollution Control (WPCF and two CSO treatment facilities) | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3684032454, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, City of Newport Utilities - Water Pollution Control (WPCF and two CSO treatment facilities), Aug 29, 2025 · Map |
| Jul 1, 2025 | ended, time not reported | Blackstone River, RI | Woonsocket Regional Wastewater Treatment Facility | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3683348818, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, Woonsocket Regional Wastewater Treatment Facility, Jul 1, 2025 · Map |
| Jan 1, 2025 | ended, time not reported | Blackstone River, RI | Woonsocket Regional Wastewater Treatment Facility | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3680273162, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, Woonsocket Regional Wastewater Treatment Facility, Jan 1, 2025 · Map |
| Aug 13, 2024 | ended, time not reported | Narragansett Bay, RI | City of Newport Utilities - Water Pollution Control (WPCF and two CSO treatment facilities) | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3677297296, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, City of Newport Utilities - Water Pollution Control (WPCF and two CSO treatment facilities), Aug 13, 2024 · Map |
| Jun 6, 2024 | ended, time not reported | Pawcatuck River, RI | Westerly Wastewater Treatment Facility | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3676598115, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, Westerly Wastewater Treatment Facility, Jun 6, 2024 · Map |
| Jun 6, 2024 | ended, time not reported | Pawcatuck River, RI | Westerly Wastewater Treatment Facility | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3676598115.0002, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, Westerly Wastewater Treatment Facility, Jun 6, 2024 · Map |
| Mar 29, 2024 | ended, time not reported | Pawcatuck River, RI | Westerly Wastewater Treatment Facility | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3675554992, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, Westerly Wastewater Treatment Facility, Mar 29, 2024 · Map |
| Feb 14, 2024 | ended, time not reported | Seekonk River, RI | Narragansett Bay Commission - Bucklin Point WWTF and associated CSOs | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3674298044, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, Narragansett Bay Commission - Bucklin Point WWTF and associated CSOs, Feb 14, 2024 · Map |
| Feb 11, 2024 | ended, time not reported | Narragansett Bay, RI | City of Newport Utilities - Water Pollution Control (WPCF and two CSO treatment facilities) | not stated | Bypass | not reported | EPA ECHO (reported to regulators) via ri-echo-dfr, record 3680325723, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Bypass, City of Newport Utilities - Water Pollution Control (WPCF and two CSO treatment facilities), Feb 11, 2024 · Map |
| Dec 27, 2022, 6:00 AM EST | not reported | Connecticut River, NH | not stated | not stated | Bypass | not reported | EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators) via ECHO NPDES Sewer Overflow and Bypass Event Dataset (eRule Phase 2, current versions), record NH0100765:1:1, reported Dec 28, 2022, 7:00 PM EST, retrieved 2026-11-02 11:54 UTC · notice | Event: Bypass, , Dec 27, 2022, 6:00 AM EST · Map |
Unresolved: no end reported 67 discharges with no end reported
Reported without an end; sources often skip the "ceased" notice. Listed from day 7 to day 30 under the cautious-reading principle on the methods page.
| Start | End | Water | Discharger | Outfall | Type | Volume | Source | Links |
|---|---|---|---|---|---|---|---|---|
| not reported (reported Oct 18, 2026, 8:23 AM EDT) | Oct 17, 2026, 8:23 PM EDT | Merrimack River, NH, Piscataquog River, NH | City of Manchester DPW Environmental Protection Division | not stated | Combined sewer overflow | not reported | City of Manchester EPD (CSO Discharge Notification page) via nh-permittees, record manchester:Item14033, reported Oct 18, 2026, 8:23 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Combined sewer overflow, City of Manchester DPW Environmental Protection Division, not reported (reported Oct 18, 2026, 8:23 AM EDT) · Map |
| Oct 17, 2026, 8:00 AM EDT | ended, time not reported | Clarks Cove, MA | CITY OF NEW BEDFORD | NEW003 COVE RD & PADNARAM AVE | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record c52a1a86-29c6-462f-9e86-25539c6089ce, published Oct 17, 2026, 1:02 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 17, 2026, 8:00 AM EDT · Map |
| Oct 16, 2026, 11:05 AM EDT | ended, time not reported | Merrimack River, MA | LOWELL REGIONAL WASTEWATER UTILITY | 035 | Blended (partially treated) discharge | not reported | LOWELL REGIONAL WASTEWATER UTILITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record d890d770-5ba3-4e0d-8602-c861dae1c051, published Oct 16, 2026, 2:04 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Blended (partially treated) discharge, LOWELL REGIONAL WASTEWATER UTILITY, Oct 16, 2026, 11:05 AM EDT · Map |
| Oct 16, 2026, 11:00 AM EDT | ended, time not reported | New Bedford Harbor, MA | CITY OF NEW BEDFORD | NEW031 CONWAY ST AT BUZZARDS BAY | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 04dd9614-e87e-4ea1-8229-3d2289686ee9, published Oct 16, 2026, 1:26 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 16, 2026, 11:00 AM EDT · Map |
| Oct 16, 2026, 10:20 AM EDT | ended, time not reported | Clarks Cove, MA | CITY OF NEW BEDFORD | NEW003 COVE RD & PADNARAM AVE | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 4cea4edc-b8a7-4f2a-bc10-7db76fcdffc6, published Oct 16, 2026, 1:27 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 16, 2026, 10:20 AM EDT · Map |
| Oct 16, 2026, 10:05 AM EDT | ended, time not reported | Acushnet River, MA | CITY OF NEW BEDFORD | NEW023 COFFIN AVE | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 2cd96f1a-a266-47a4-be6b-01173a236797, published Oct 16, 2026, 1:28 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 16, 2026, 10:05 AM EDT · Map |
| Oct 14, 2026, 11:35 PM EDT | ended, time not reported | Saugus River, MA | LYNN WATER & SEWER COMMISSION | LYNN003 SUMMER STREET@SAUGUS RIVER | Combined sewer overflow | not reported | LYNN WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record b7bb51ee-8c82-479f-ba48-40a93ddbabf0, published Oct 14, 2026, 8:42 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, LYNN WATER & SEWER COMMISSION, Oct 14, 2026, 11:35 PM EDT · Map |
| Oct 14, 2026, 11:20 PM EDT | ended, time not reported | Lynn Harbor, MA | LYNN WATER & SEWER COMMISSION | LYNN004 NW BANK OF BROAD SOUND @254 LYNWAY@PLEASANT ST | Combined sewer overflow | not reported | LYNN WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 931c6f7c-2f99-41d5-a0da-0d0c1c6cf817, published Oct 14, 2026, 8:41 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, LYNN WATER & SEWER COMMISSION, Oct 14, 2026, 11:20 PM EDT · Map |
| Oct 14, 2026, 11:20 PM EDT | ended, time not reported | Lynn Harbor, MA | LYNN WATER & SEWER COMMISSION | LYNN005 180 LYNNWAY | Combined sewer overflow | not reported | LYNN WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 14116cb1-06be-4969-94ba-122e7b2de4f7, published Oct 14, 2026, 8:40 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, LYNN WATER & SEWER COMMISSION, Oct 14, 2026, 11:20 PM EDT · Map |
| Oct 14, 2026, 5:00 PM EDT | not reported | Housatonic River, CT | STRATFORD | Treatment Plant, 105 Beacon Point Rd, Stratford, CT | Treatment plant bypass | not reported | STRATFORD (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 11599, the source gives no report time, retrieved 2026-11-02 11:53 UTC · notice | Event: Treatment plant bypass, STRATFORD, Oct 14, 2026, 5:00 PM EDT · Map |
| not reported (reported Oct 12, 2026, 1:53 PM EDT) | Oct 12, 2026, 1:53 AM EDT | Merrimack River, NH, Piscataquog River, NH | City of Manchester DPW Environmental Protection Division | not stated | Combined sewer overflow | not reported | City of Manchester EPD (CSO Discharge Notification page) via nh-permittees, record manchester:Item14023, reported Oct 12, 2026, 1:53 PM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Combined sewer overflow, City of Manchester DPW Environmental Protection Division, not reported (reported Oct 12, 2026, 1:53 PM EDT) · Map |
| Oct 12, 2026, 12:15 AM EDT | ended, time not reported | Clarks Cove, MA | CITY OF NEW BEDFORD | NEW008 CALUMET ST & RFB | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record bef1c5d4-662c-45cf-a5d4-6dbd538967bd, published Oct 12, 2026, 7:56 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 12, 2026, 12:15 AM EDT · Map |
| Oct 11, 2026, 11:34 PM EDT | ended, time not reported | Taunton River, MA | CITY OF FALL RIVER | FAL010 CITY PIER | Combined sewer overflow | not reported | CITY OF FALL RIVER (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 39096d80-5d78-4d16-8239-e893b352d293, published Oct 12, 2026, 7:34 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF FALL RIVER, Oct 11, 2026, 11:34 PM EDT · Map |
| Oct 11, 2026, 11:12 PM EDT | ended, time not reported | Merrimack River, MA | LOWELL REGIONAL WASTEWATER UTILITY | LOW008 WEST STREET | Combined sewer overflow | not reported | LOWELL REGIONAL WASTEWATER UTILITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record dd96a2df-46b0-4fa4-951d-ff19be610e0e, published Oct 12, 2026, 5:59 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, LOWELL REGIONAL WASTEWATER UTILITY, Oct 11, 2026, 11:12 PM EDT · Map |
| Oct 11, 2026, 11:02 PM EDT | ended, time not reported | Mystic River, MA | CITY OF SOMERVILLE | SOM007A/MWR205A SOUTH BANK OF MYSTIC RIVER AT INT OF ASSEMBLY SQ DR & 28 | Combined sewer overflow | not reported | CITY OF SOMERVILLE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 9f9cd5fd-1531-474f-bf92-62ae79451d8b, published Oct 12, 2026, 12:06 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF SOMERVILLE, Oct 11, 2026, 11:02 PM EDT · Map |
| Oct 11, 2026, 11:00 PM EDT | ended, time not reported | Merrimack River, MA | LOWELL REGIONAL WASTEWATER UTILITY | LOW030-1 BARASFORD AVE | Combined sewer overflow | not reported | LOWELL REGIONAL WASTEWATER UTILITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 427c64d3-cd52-4961-8be1-00a71470e81e, published Oct 12, 2026, 5:48 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, LOWELL REGIONAL WASTEWATER UTILITY, Oct 11, 2026, 11:00 PM EDT · Map |
| Oct 11, 2026, 10:55 PM EDT | ended, time not reported | Merrimack River, MA | CITY OF HAVERHILL | HAV021A MIDDLE SIPHON ESSEX ST | Combined sewer overflow | not reported | CITY OF HAVERHILL (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 9889fa84-3ee5-483b-88f6-622b1463807f, published Oct 13, 2026, 7:14 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HAVERHILL, Oct 11, 2026, 10:55 PM EDT · Map |
| Oct 11, 2026, 9:57 PM EDT | ended, time not reported | Merrimack River, MA | LOWELL REGIONAL WASTEWATER UTILITY | LOW030-2 MERRIMACK STATION | Combined sewer overflow | not reported | LOWELL REGIONAL WASTEWATER UTILITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 41c6dc16-b968-44ba-940a-6d1b09380903, published Oct 12, 2026, 5:45 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, LOWELL REGIONAL WASTEWATER UTILITY, Oct 11, 2026, 9:57 PM EDT · Map |
| Oct 11, 2026, 9:54 PM EDT | ended, time not reported | Massachusetts Bay, MA | MASSACHUSETTS WATER RESOURCES AUTHORITY | T01 | Blended (partially treated) discharge | not reported | MASSACHUSETTS WATER RESOURCES AUTHORITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record cc473526-3969-4bab-8435-536ad07c817d, published Oct 12, 2026, 12:14 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Blended (partially treated) discharge, MASSACHUSETTS WATER RESOURCES AUTHORITY, Oct 11, 2026, 9:54 PM EDT · Map |
| Oct 11, 2026, 9:27 PM EDT | ended, time not reported | Massachusetts Bay, MA | MASSACHUSETTS WATER RESOURCES AUTHORITY | T01 | Blended (partially treated) discharge | not reported | MASSACHUSETTS WATER RESOURCES AUTHORITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 291e1a76-2ed7-4a95-b9c2-566a5fcb7f22, published Oct 12, 2026, 12:10 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Blended (partially treated) discharge, MASSACHUSETTS WATER RESOURCES AUTHORITY, Oct 11, 2026, 9:27 PM EDT · Map |
| Oct 11, 2026, 9:26 PM EDT | ended, time not reported | Charles River, MA | MASSACHUSETTS WATER RESOURCES AUTHORITY | MWR203 JUST NORTH OF LOCKS AT CHARLSTOWN BRIDGE | Combined sewer overflow | not reported | MASSACHUSETTS WATER RESOURCES AUTHORITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 77759ea4-6d4f-4b98-8751-7969067b09c4, published Oct 12, 2026, 12:03 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, MASSACHUSETTS WATER RESOURCES AUTHORITY, Oct 11, 2026, 9:26 PM EDT · Map |
| Oct 11, 2026, 8:45 PM EDT | ended, time not reported | Merrimack River, MA | CITY OF HAVERHILL | HAV034 MIDDLESEX STREET | Combined sewer overflow | not reported | CITY OF HAVERHILL (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 1bbad740-a773-4575-905a-d784c483df4f, published Oct 13, 2026, 7:12 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HAVERHILL, Oct 11, 2026, 8:45 PM EDT · Map |
| Oct 11, 2026, 8:25 PM EDT | ended, time not reported | Clarks Cove, MA | CITY OF NEW BEDFORD | NEW006 LUCAS STREET & RFB | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record cb573edf-1328-47b1-a6bb-8a7f6d47434a, published Oct 11, 2026, 10:52 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 11, 2026, 8:25 PM EDT · Map |
| Oct 11, 2026, 8:00 PM EDT | ended, time not reported | Mystic River, MA | MASSACHUSETTS WATER RESOURCES AUTHORITY | MWR205 EAST BNK MYSTIC 150 FT SW OF MDC LOCKS | Combined sewer overflow | not reported | MASSACHUSETTS WATER RESOURCES AUTHORITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record e716b9d4-05cd-416d-b1bd-264f613ff14f, published Oct 12, 2026, 11:58 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, MASSACHUSETTS WATER RESOURCES AUTHORITY, Oct 11, 2026, 8:00 PM EDT · Map |
| Oct 11, 2026, 7:55 PM EDT | ended, time not reported | Saugus River, MA | LYNN WATER & SEWER COMMISSION | LYNN003 SUMMER STREET@SAUGUS RIVER | Combined sewer overflow | not reported | LYNN WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 06b1ff6c-c39c-483a-a60d-8d95da0630f3, published Oct 12, 2026, 9:14 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, LYNN WATER & SEWER COMMISSION, Oct 11, 2026, 7:55 PM EDT · Map |
| Oct 11, 2026, 7:50 PM EDT | ended, time not reported | Lynn Harbor, MA | LYNN WATER & SEWER COMMISSION | LYNN004 NW BANK OF BROAD SOUND @254 LYNWAY@PLEASANT ST | Combined sewer overflow | not reported | LYNN WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 031f2680-95f7-41f6-adf2-e3809218c1f3, published Oct 12, 2026, 9:13 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, LYNN WATER & SEWER COMMISSION, Oct 11, 2026, 7:50 PM EDT · Map |
| Oct 11, 2026, 7:50 PM EDT | ended, time not reported | Lynn Harbor, MA | LYNN WATER & SEWER COMMISSION | LYNN005 180 LYNNWAY | Combined sewer overflow | not reported | LYNN WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 78dd2358-1eba-4589-8cb5-a29681a50da3, published Oct 12, 2026, 9:12 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, LYNN WATER & SEWER COMMISSION, Oct 11, 2026, 7:50 PM EDT · Map |
| Oct 11, 2026, 7:30 PM EDT | ended, time not reported | New Bedford Harbor, MA | CITY OF NEW BEDFORD | NEW017 DAVID ST & RFB | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record ddd928a8-ee2d-4ec0-9aac-275e24fa36d8, published Oct 11, 2026, 10:51 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 11, 2026, 7:30 PM EDT · Map |
| Oct 11, 2026, 7:25 PM EDT | ended, time not reported | Clarks Cove, MA | CITY OF NEW BEDFORD | NEW005 DUDLEY & RFB | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 8362b422-5f67-49a8-b18a-b0131d684d26, published Oct 11, 2026, 10:49 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 11, 2026, 7:25 PM EDT · Map |
| Oct 11, 2026, 7:17 PM EDT | ongoing (as reported) | Blackstone River, MA | CITY OF WORCESTER | WOR001 QUINSIGAMOND AVENUE | Combined sewer overflow | not reported | CITY OF WORCESTER (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record e8a33adf-dc65-4073-92dd-46fb5d727997, published Oct 11, 2026, 8:23 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF WORCESTER, Oct 11, 2026, 7:17 PM EDT · Map |
| Oct 11, 2026, 7:07 PM EDT | ended, time not reported | Taunton River, MA | CITY OF FALL RIVER | FAL008 FERRY ST | Combined sewer overflow | not reported | CITY OF FALL RIVER (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record accea0c7-d940-450d-84ca-c4af0e885928, published Oct 12, 2026, 7:31 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF FALL RIVER, Oct 11, 2026, 7:07 PM EDT · Map |
| Oct 11, 2026, 6:55 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR010 CLINTON ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 676a2170-d729-4770-8109-e90e77e7dbe5, published Oct 12, 2026, 9:21 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 6:55 PM EDT · Map |
| Oct 11, 2026, 6:50 PM EDT | ended, time not reported | New Bedford Harbor, MA | CITY OF NEW BEDFORD | NEW018 COVE ST AND E. RODNEY FRENCH BLVD | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 224ce40f-4fd9-4ce6-932c-40faee4a55d4, published Oct 11, 2026, 10:47 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 11, 2026, 6:50 PM EDT · Map |
| Oct 11, 2026, 6:36 PM EDT | ended, time not reported | Narragansett Bay, MA | CITY OF FALL RIVER | 001 | Blended (partially treated) discharge | not reported | CITY OF FALL RIVER (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record d51a651f-7c72-420b-a001-6a5a232334c1, published Oct 12, 2026, 7:29 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Blended (partially treated) discharge, CITY OF FALL RIVER, Oct 11, 2026, 6:36 PM EDT · Map |
| Oct 11, 2026, 6:20 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR008 WASHBURN ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 9f498d10-a7f3-49d8-91b8-4a59d9b614c4, published Oct 12, 2026, 9:17 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 6:20 PM EDT · Map |
| Oct 11, 2026, 6:20 PM EDT | ended, time not reported | New Bedford Harbor, MA | CITY OF NEW BEDFORD | NEW031 CONWAY ST AT BUZZARDS BAY | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 29714bf8-4484-4f46-8c65-527afc336095, published Oct 11, 2026, 10:45 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 11, 2026, 6:20 PM EDT · Map |
| Oct 11, 2026, 6:15 PM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL07 NORTHAMPTON ST/GLEN ST. | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 535d32d8-b4ab-4455-b504-0d5524a3eb65, published Oct 13, 2026, 8:10 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 11, 2026, 6:15 PM EDT · Map |
| Oct 11, 2026, 6:14 PM EDT | ended, time not reported | Taunton River, MA | CITY OF FALL RIVER | FAL011 PRESIDENT AVE | Combined sewer overflow | not reported | CITY OF FALL RIVER (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 904ce9b3-f235-4304-9d73-e8a0ec6de480, published Oct 12, 2026, 7:22 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF FALL RIVER, Oct 11, 2026, 6:14 PM EDT · Map |
| Oct 11, 2026, 6:13 PM EDT | ended, time not reported | Taunton River, MA | CITY OF FALL RIVER | FAL013 COVE ST | Combined sewer overflow | not reported | CITY OF FALL RIVER (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 73681c46-3baa-4fc8-a779-da3f1d9b6477, published Oct 12, 2026, 7:27 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF FALL RIVER, Oct 11, 2026, 6:13 PM EDT · Map |
| Oct 11, 2026, 6:10 PM EDT | ended, time not reported | Chicopee River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR034 MAIN ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record b3e45436-6c03-4743-a0ed-ec4616959650, published Oct 12, 2026, 9:19 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 6:10 PM EDT · Map |
| Oct 11, 2026, 6:06 PM EDT | ended, time not reported | Taunton River, MA | CITY OF FALL RIVER | FAL014 Alton St. | Combined sewer overflow | not reported | CITY OF FALL RIVER (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 98ae6fc9-82fb-4c96-80e8-238a58eed6c1, published Oct 12, 2026, 7:25 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF FALL RIVER, Oct 11, 2026, 6:06 PM EDT · Map |
| Oct 11, 2026, 6:05 PM EDT | ended, time not reported | Lake Massasoit, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR025 ALLEN & OAKLAND STS. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record ab2a58a3-8c8a-42c0-9018-5fde1a0fa941, published Oct 12, 2026, 9:16 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 6:05 PM EDT · Map |
| Oct 11, 2026, 6:00 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR015B UNION ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 147ca797-9adf-4294-abef-d5d0a5f21ba8, published Oct 12, 2026, 9:45 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 6:00 PM EDT · Map |
| Oct 11, 2026, 6:00 PM EDT | ended, time not reported | Acushnet River, MA | CITY OF NEW BEDFORD | NEW027 MILL RD AT ACUSHNET RIVER | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record dc9e85a1-0bfe-408e-b5cc-8d3b4d26a823, published Oct 11, 2026, 10:44 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 11, 2026, 6:00 PM EDT · Map |
| Oct 11, 2026, 5:55 PM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL021 RIVER TERRACE | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 1137bebe-fc71-4d54-9d05-90189810481b, published Oct 13, 2026, 8:07 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 11, 2026, 5:55 PM EDT · Map |
| Oct 11, 2026, 5:50 PM EDT | ended, time not reported | Chicopee River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR035 FRONT & OAK ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 32df199c-5b11-4024-8ee6-6390cdbb5a85, published Oct 12, 2026, 9:18 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 5:50 PM EDT · Map |
| Oct 11, 2026, 5:40 PM EDT | ended, time not reported | Lake Massasoit, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR048 ALLEN & RIFLE STS. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 0753dc67-de3d-44ea-8001-8b608a524f74, published Oct 12, 2026, 9:14 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 5:40 PM EDT · Map |
| Oct 11, 2026, 5:30 PM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL019 YALE ST. | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 496ef276-19b0-4bdb-b8a9-0f8233f2875e, published Oct 13, 2026, 8:06 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 11, 2026, 5:30 PM EDT · Map |
| Oct 11, 2026, 5:30 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR049 SPRINGFIELD ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record bf1a88ce-34c7-4f37-bb72-d89a84e33985, published Oct 12, 2026, 9:11 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 5:30 PM EDT · Map |
| Oct 11, 2026, 5:30 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR012 WORTHINGTON ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record d7619765-7c42-4a8f-a16d-207f87c56be9, published Oct 12, 2026, 9:09 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 5:30 PM EDT · Map |
| Oct 11, 2026, 5:25 PM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL023 JEFFERSON ST. | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record e52ba69f-a879-4a7e-a109-f02ededa289f, published Oct 13, 2026, 8:02 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 11, 2026, 5:25 PM EDT · Map |
| Oct 11, 2026, 5:20 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR013 BRIDGE ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 30e6c6fb-a5da-44db-aca3-ec52fac4ae4a, published Oct 12, 2026, 9:10 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 5:20 PM EDT · Map |
| Oct 11, 2026, 5:20 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR016 YORK ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 3908853f-ebcc-4738-aa78-e52bf2141512, published Oct 12, 2026, 9:08 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 5:20 PM EDT · Map |
| Oct 11, 2026, 5:20 PM EDT | ended, time not reported | Acushnet River, MA | CITY OF NEW BEDFORD | NEW023 COFFIN AVE | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 26245656-9cc0-4624-9c45-7513035a7536, published Oct 11, 2026, 10:43 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 11, 2026, 5:20 PM EDT · Map |
| Oct 11, 2026, 5:10 PM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL09 BERKSHIRE ST. | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 8d89acb8-13f5-4fed-bbc3-fc56210e9fc1, published Oct 13, 2026, 8:08 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 11, 2026, 5:10 PM EDT · Map |
| Oct 11, 2026, 5:10 PM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL02 PROVIDENCE HOSPITAL | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 32f0efb2-7544-4294-a22b-08f2b8bc4dd7, published Oct 13, 2026, 8:05 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 11, 2026, 5:10 PM EDT · Map |
| Oct 11, 2026, 5:10 PM EDT | ended, time not reported | Clarks Cove, MA | CITY OF NEW BEDFORD | NEW003 COVE RD & PADNARAM AVE | Combined sewer overflow | not reported | CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record fdf791dc-0cda-4a88-926c-e636e41d8610, published Oct 11, 2026, 10:41 PM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF NEW BEDFORD, Oct 11, 2026, 5:10 PM EDT · Map |
| Oct 11, 2026, 5:05 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR014 ELM ST. | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 7e180495-b0f1-4b4a-9092-cf3df6ef6a1b, published Oct 12, 2026, 9:07 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 5:05 PM EDT · Map |
| Oct 11, 2026, 5:00 PM EDT | ended, time not reported | Connecticut River, MA | SPRINGFIELD WATER & SEWER COMMISSION | SPR042 SPRINGFIELD WWTP BYPASS AT BONDI'S ISLAND | Combined sewer overflow | not reported | SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 14da5d06-a714-48c2-9ce5-b0f6450aea48, published Oct 12, 2026, 9:06 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, SPRINGFIELD WATER & SEWER COMMISSION, Oct 11, 2026, 5:00 PM EDT · Map |
| Oct 11, 2026, 4:30 PM EDT | not reported | Bridgeport Harbor, CT | not stated | Treatment Plant, 695 Seaview Ave, Bridgeport, CT | Treatment plant bypass | “32 MGD” | Bridgeport (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 11579, the source gives no report time, retrieved 2026-11-02 11:53 UTC · notice | Event: Treatment plant bypass, , Oct 11, 2026, 4:30 PM EDT · Map |
| Oct 11, 2026, 4:15 PM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL020 CLEVELAND ST. | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record e7261ecc-4444-4012-9247-3c9d3648e918, published Oct 13, 2026, 8:00 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 11, 2026, 4:15 PM EDT · Map |
| Oct 11, 2026, 4:00 PM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL018 WALNUT ST. | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record ed874325-e121-47d0-8451-8691c015150c, published Oct 13, 2026, 7:59 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 11, 2026, 4:00 PM EDT · Map |
| Oct 11, 2026, 4:00 PM EDT | ended, time not reported | Connecticut River, MA | CITY OF HOLYOKE | HOL08 SPRINGDALE PARK | Combined sewer overflow | not reported | CITY OF HOLYOKE (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 019581de-002c-418d-aa55-ee4de53f3d36, published Oct 13, 2026, 7:57 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Combined sewer overflow, CITY OF HOLYOKE, Oct 11, 2026, 4:00 PM EDT · Map |
| Oct 11, 2026, 3:00 PM EDT | not reported | Cedar Creek, CT | not stated | 205 Bostwick Ave, Bridgeport, CT | Sanitary sewer overflow | “80 mgd” | Bridgeport (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 11578, the source gives no report time, retrieved 2026-11-02 11:53 UTC · notice | Event: Sanitary sewer overflow, , Oct 11, 2026, 3:00 PM EDT · Map |
| Oct 11, 2026, 4:39 AM EDT | ended, time not reported | Merrimack River, MA | LOWELL REGIONAL WASTEWATER UTILITY | 035 | Blended (partially treated) discharge | not reported | LOWELL REGIONAL WASTEWATER UTILITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal (eeaonline.eea.state.ma.us/dep/CSOAPI/api/), record 1ed172ed-ed7a-4cc8-b567-6f33fa4b02e7, published Oct 12, 2026, 6:07 AM EDT, retrieved 2026-11-02 11:54 UTC · notice | Event: Blended (partially treated) discharge, LOWELL REGIONAL WASTEWATER UTILITY, Oct 11, 2026, 4:39 AM EDT · Map |
| not reported (reported Oct 7, 2026, 5:22 AM EDT) | Oct 6, 2026, 5:22 PM EDT | Merrimack River, NH, Piscataquog River, NH | City of Manchester DPW Environmental Protection Division | not stated | Combined sewer overflow | not reported | City of Manchester EPD (CSO Discharge Notification page) via nh-permittees, record manchester:Item14013, reported Oct 7, 2026, 5:22 AM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Combined sewer overflow, City of Manchester DPW Environmental Protection Division, not reported (reported Oct 7, 2026, 5:22 AM EDT) · Map |
| not reported (reported Oct 3, 2026, 11:38 PM EDT) | Oct 3, 2026, 11:38 AM EDT | Merrimack River, NH, Piscataquog River, NH | City of Manchester DPW Environmental Protection Division | not stated | Combined sewer overflow | not reported | City of Manchester EPD (CSO Discharge Notification page) via nh-permittees, record manchester:Item14011, reported Oct 3, 2026, 11:38 PM EDT, retrieved 2026-11-02 11:55 UTC · notice | Event: Combined sewer overflow, City of Manchester DPW Environmental Protection Division, not reported (reported Oct 3, 2026, 11:38 PM EDT) · Map |