Massachusetts / Reports /

Combined sewer overflow (CSO) reported — SPRINGFIELD WATER & SEWER COMMISSION, Jul 7, 2026

Ended (as reported) · SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal)

Source: SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 7400da5b-6d18-462c-8419-12b6c822d128, published Jul 7, 2026, 11:32 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: SPRINGFIELD WATER & SEWER COMMISSION (federal wastewater discharge permit, NPDES, MA0101613). Outlet: SPR048 “ALLEN & RIFLE STS.”. Location: 42.09703, -72.56393; 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: “MILL R.”. DirtyWaterWatch links this report to Lake Massasoit, MA. Match basis: the outlet's permit and number in EPA and state records.

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

Jul 7, 2026, 5:40 AM EDT

Ended

Jul 7, 2026, 5:55 AM EDT

Detail provided by the source

Times known to the minute

Reported to the source

not given

Published

Jul 7, 2026, 11:32 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 SPRINGFIELD WATER & SEWER COMMISSION (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

7400da5b-6d18-462c-8419-12b6c822d128

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

version 2, version 3

{
  "incidentId": "7400da5b-6d18-462c-8419-12b6c822d128",
  "incidentNumber": "26016592",
  "incidentDate": "2026-07-07T00:00:00",
  "incidentTime": "05:40",
  "amPm": null,
  "reporterClass": "Public Notification Report",
  "eventType": "CSO – UnTreated",
  "permiteeClass": "CSO",
  "permiteeName": "SPRINGFIELD WATER & SEWER COMMISSION",
  "permiteeId": "MA0101613",
  "outfallId": "SPR048",
  "municipality": "SPRINGFIELD",
  "reportingType": "Initial-Ongoing",
  "location": "ALLEN & RIFLE STS.",
  "latitude": null,
  "longitude": null,
  "waterBody": "MILL R.",
  "waterBodyDescription": null,
  "volumnOfEvent": "",
  "rainfallData": "",
  "hours": "",
  "minutes": "",
  "month": null,
  "year": null,
  "additionalInformation": null,
  "submittedDate": "2026-07-07T11:32:34.883",
  "parentIncidentId": null,
  "_report_class": "Public Notification Report",
  "_tz_assumed": "America/New_York (portal gives local clock time without zone)",
  "_coords": "MassDEP CSOs layer DEP_OUTFL_ SPR048 (locations are estimates)",
  "_water": {
    "echo_candidate": {
      "slug": "lake-massasoit-ma",
      "match": "geometry",
      "why_not": "geometry only, name differs"
    },
    "no_slug": [
      "MILL R. (Springfield Mill River - no slug (mill-river-ma is Norfolk))",
      "MILL R. (Springfield Mill River - no slug (mill-river-ma is Norfolk))"
    ]
  },
  "_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",
  "_status_note": "ended per Ceased update 26016592-1 (published 2026-07-07T14:55:14-04:00); no cessation time given",
  "_ended_at_basis": "from Verified Data Report 26017146: its start + verified duration"
}