Massachusetts / Reports /
Combined sewer overflow (CSO) reported — CITY OF NEW BEDFORD, Jun 23, 2026
Ended (as reported) · CITY OF NEW BEDFORD (MassDEP sewage notification portal)
Source: CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 31d382e2-7592-4635-86bc-134e157c84a7, published Jul 2, 2026, 3:29 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice
Current status from this report
This report does not set a map status as of Nov 2, 2026, 11:21 AM EST. Check its dates and the status rules.
A report is not a test of the water. See how we assign statuses.
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1. Reported wastewater outlet
Operator named in the record: CITY OF NEW BEDFORD (federal wastewater discharge permit, NPDES, MA0100781). Outlet: NEW005 “DUDLEY & RFB”. Location: 41.60849, -70.91796; location source: from the state's or EPA's outfall layer.
Outfall: a pipe or outlet where wastewater enters a water body.
2. Waters named in the notice
The notice names: “CLARK COVE”. DirtyWaterWatch links this report to Clarks Cove, MA. Match basis: the water named in the report.
3. Estimated downstream stretch
We estimate routes only on rivers before they become tidal. We do not estimate routes through tidal water or lakes.
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.
When it happened and when it was reported
Event and notice times use Eastern Time (EST or EDT). Retrieval times use Coordinated Universal Time (UTC).
- Started
- Ended
- Detail provided by the source
- Times known to the minute
- Reported to the source
- not given
- Published
- Source last updated
- not given
- Last retrieved by DirtyWaterWatch
What and how much
- Type
- Combined sewer overflow (CSO): sewage mixed with rainwater spills from a shared sewer system.
- Status in the record
- Ended (as reported)
- Material
- “CSO – UnTreated”
- Volume
- 225,425 gallons (not stated whether estimated or measured)
- Volume as reported
- “225425”
Advice from CITY OF NEW BEDFORD (MassDEP sewage notification portal)
“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.”
- Advice period
- 48 hours
- Basis
- 314 CMR 16.04(10)(g)
Source and versions
- Source
- MassDEP CSO API behind the portal
- Source record number
- 31d382e2-7592-4635-86bc-134e157c84a7
- Original notice
- Read the original notice
- Earlier version
- Read the earlier version
- Later versions
- None
Record details
| Record identifier | ma-massdep:31d382e2-7592-4635-86bc-134e157c84a7 |
|---|---|
| Source identifier | ma-massdep |
| Source record number | 31d382e2-7592-4635-86bc-134e157c84a7 |
| Earlier version | ma-massdep:c2cd01f5-c679-44f6-9e7e-1797becfa702 |
| Type | Combined sewer overflow (CSO) |
| Status in the report | Ended (as reported) |
| Sewer operator identifier | ma-new-bedford |
| Sewer operator | CITY OF NEW BEDFORD |
| Federal wastewater discharge permit (NPDES) | MA0100781 |
| Outlet number | NEW005 |
| Outlet name | DUDLEY & RFB |
| Water named in the report | CLARK COVE |
| Linked waters | clarks-cove-ma |
| How this report was linked to the water | the water named in the report |
| Latitude | 41.608 |
| Longitude | -70.918 |
| Location source | from the state's or EPA's outfall layer |
| Location accuracy, in metres | Not provided |
| Started | Jun 23, 2026, 5:55 AM EDT (2026-06-23T05:55:00-04:00) |
| Ended | Jun 23, 2026, 6:30 AM EDT (2026-06-23T06:30:00-04:00) |
| Detail provided by the source | to the minute |
| Reported to the source | Not provided |
| Published | Jul 2, 2026, 3:29 PM EDT (2026-07-02T15:29:24-04:00) |
| Source last updated | Not provided |
| Last retrieved by DirtyWaterWatch | Nov 2, 2026, 5:58 AM EST (2026-11-02T10:58:11Z) |
| Material | CSO – UnTreated |
| Volume, in gallons | 225,425 |
| Volume as reported | 225425 |
| How volume was determined | not stated whether estimated or measured |
| Authority | CITY OF NEW BEDFORD (MassDEP sewage notification portal) |
| Advice | 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. |
| Advice period, in hours | 48 |
| Basis of the advice period | 314 CMR 16.04(10)(g) |
| Original notice | https://eeaonline.eea.state.ma.us/portal/dep/cso-data-portal/details/31d382e2-7592-4635-86bc-134e157c84a7 |
Original source data
{
"incidentId": "31d382e2-7592-4635-86bc-134e157c84a7",
"incidentNumber": "26016499",
"incidentDate": "2026-06-23T00:00:00",
"incidentTime": "05:55",
"amPm": null,
"reporterClass": "Verified Data Report",
"eventType": "CSO – UnTreated",
"permiteeClass": "CSO",
"permiteeName": "CITY OF NEW BEDFORD",
"permiteeId": "MA0100781",
"outfallId": "NEW005",
"municipality": "NEW BEDFORD",
"reportingType": null,
"location": "DUDLEY & RFB",
"latitude": null,
"longitude": null,
"waterBody": "CLARK COVE",
"waterBodyDescription": null,
"volumnOfEvent": "225425",
"rainfallData": "2.06",
"hours": "0",
"minutes": "35",
"month": null,
"year": null,
"additionalInformation": null,
"submittedDate": "2026-07-02T15:29:24.663",
"parentIncidentId": null,
"_report_class": "Verified Data Report",
"_tz_assumed": "America/New_York (portal gives local clock time without zone)",
"_ended_at_basis": "computed: started_at + verified duration 0 h 35 min (Verified Data Report)",
"_coords": "MassDEP CSOs layer DEP_OUTFL_ NEW005 (locations are estimates)",
"_water": {
"via": "crosswalk on portal waterbody",
"text": "CLARK COVE",
"confidence": "high"
},
"_volume_note": "verified by permittee, reported to MassDEP (metered or modelled not stated)",
"_advice_source": "required wording of 314 CMR 16.04(10)(g); the permittee's own advisory is only in an attachment the portal will not serve",
"_link_basis": "same permittee and outfall as notice 26016386; start times 0 min apart"
} Source: CITY OF NEW BEDFORD (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 31d382e2-7592-4635-86bc-134e157c84a7, published Jul 2, 2026, 3:29 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice
Staff names, email addresses and phone numbers are removed from source data before it is stored.