Massachusetts / Reports /

Blended discharge reported — CITY OF FALL RIVER, Aug 3, 2026

Ended (as reported) · CITY OF FALL RIVER (MassDEP sewage notification portal)

Source: CITY OF FALL RIVER (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 69dc36d5-9f98-40f3-8978-efb8ac9c6c12, published Sep 2, 2026, 3:11 PM EDT, retrieved 2026-11-02 10:58 UTC · Read the original notice

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1. Reported wastewater outlet

Operator named in the record: CITY OF FALL RIVER (federal wastewater discharge permit, NPDES, MA0100382). Outlet: 001. Location: 41.67729, -71.19566; location source: given in the source record.

Outfall: a pipe or outlet where wastewater enters a water body.

2. Waters named in the notice

The notice names: “MOUNT HOPE BAY”. DirtyWaterWatch links this report to Mount Hope Bay, 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.

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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

Aug 3, 2026, 10:32 AM EDT

Ended

Aug 3, 2026, 11:57 PM EDT

Detail provided by the source

Times known to the minute

Reported to the source

not given

Published

Sep 2, 2026, 3:11 PM EDT

Source last updated

not given

Last retrieved by DirtyWaterWatch

2026-11-02 10:58 UTC

What and how much

Type

Blended discharge: wastewater that skipped some treatment is mixed with treated wastewater.

Status in the record

Ended (as reported)

Material

“Partially Treated – Blended”

Volume

19.67 million gallons (not stated whether estimated or measured)

Volume as reported

“19670000”

Advice from CITY OF FALL RIVER (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)

Status history from this report

• Discharge or advisory reported Mount Hope Bay: Post-discharge period applies, Aug 3, 2026, 11:57 PM EDT to Aug 5, 2026, 11:57 PM EDT
• Caution Mount Hope Bay: Within the caution period after the reported end, Aug 5, 2026, 11:57 PM EDT to Aug 6, 2026, 11:57 PM EDT

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-02 15:57 UTC.

Source and versions

Source

MassDEP CSO API behind the portal

Source record number

69dc36d5-9f98-40f3-8978-efb8ac9c6c12

Original notice

Read the original notice

Earlier version

Read the earlier version

Later versions

None

{
  "incidentId": "69dc36d5-9f98-40f3-8978-efb8ac9c6c12",
  "incidentNumber": "26017415",
  "incidentDate": "2026-08-03T00:00:00",
  "incidentTime": "10:32",
  "amPm": null,
  "reporterClass": "Verified Data Report",
  "eventType": "Partially Treated – Blended",
  "permiteeClass": "CSO",
  "permiteeName": "CITY OF FALL RIVER",
  "permiteeId": "MA0100382",
  "outfallId": "001",
  "municipality": "FALL RIVER",
  "reportingType": null,
  "location": "Other",
  "latitude": "41.67729239",
  "longitude": "-71.19565643",
  "waterBody": "MOUNT HOPE BAY",
  "waterBodyDescription": null,
  "volumnOfEvent": "19670000",
  "rainfallData": "1.70",
  "hours": "13",
  "minutes": "25",
  "month": null,
  "year": null,
  "additionalInformation": null,
  "submittedDate": "2026-09-02T15:11:08.35",
  "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 13 h 25 min (Verified Data Report)",
  "_water": {
    "no_slug": [
      "MOUNT HOPE BAY (no MA slug)"
    ]
  },
  "_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 26016986; start times 0 min apart"
}