Massachusetts / Reports /

Combined sewer overflow (CSO) reported — CITY OF FITCHBURG, May 14, 2026

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

Source: CITY OF FITCHBURG (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record a254a6b8-c8b2-4571-aeac-16e9396b252c, published May 26, 2026, 7:38 AM 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 FITCHBURG (federal wastewater discharge permit, NPDES, MA0100986). Outlet: FIT032 “843 MAIN ST. @ POST OFFICE”. Location: 42.58570, -71.80632; 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: “NASHUA RIVER”. DirtyWaterWatch links this report to North Nashua River, MA. Match basis: the report's location, matched to the nearest tracked water.

3. Estimated downstream stretch

No downstream estimate is available for this report.

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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

May 14, 2026, 2:25 PM EDT

Ended

not reported

Detail provided by the source

Times known to the minute

Reported to the source

not given

Published

May 26, 2026, 7:38 AM EDT

Source last updated

not given

Last retrieved by DirtyWaterWatch

2026-11-02 10:58 UTC

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

volume not reported (not stated whether estimated or measured)

Volume as reported

none

Advice from CITY OF FITCHBURG (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

• No current status shown Nashua River: End not confirmed, Jun 25, 2026, 7:38 AM EDT to Aug 24, 2026, 7:38 AM EDT
• No current status shown North Nashua River: End not confirmed, Jun 25, 2026, 7:38 AM EDT to Aug 24, 2026, 7:38 AM 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

a254a6b8-c8b2-4571-aeac-16e9396b252c

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "incidentId": "a254a6b8-c8b2-4571-aeac-16e9396b252c",
  "incidentNumber": "26016192",
  "incidentDate": "2026-05-14T00:00:00",
  "incidentTime": "14:25",
  "amPm": null,
  "reporterClass": "Public Notification Report",
  "eventType": "CSO – UnTreated",
  "permiteeClass": "CSO",
  "permiteeName": "CITY OF FITCHBURG",
  "permiteeId": "MA0100986",
  "outfallId": "FIT032",
  "municipality": "FITCHBURG",
  "reportingType": "Initial-Ceased",
  "location": "843 MAIN ST. @ POST OFFICE",
  "latitude": null,
  "longitude": null,
  "waterBody": "NASHUA RIVER",
  "waterBodyDescription": null,
  "volumnOfEvent": "",
  "rainfallData": "",
  "hours": "",
  "minutes": "",
  "month": null,
  "year": null,
  "additionalInformation": null,
  "submittedDate": "2026-05-26T07:38:16.38",
  "parentIncidentId": null,
  "_report_class": "Public Notification Report",
  "_tz_assumed": "America/New_York (portal gives local clock time without zone)",
  "_ended_note": "reported ceased; the portal gives no cessation time",
  "_coords": "MassDEP CSOs layer DEP_OUTFL_ FIT032 (locations are estimates)",
  "_water": {
    "via": "crosswalk on portal waterbody",
    "text": "NASHUA RIVER",
    "confidence": "medium"
  },
  "_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"
}