Massachusetts / Reports /

Combined sewer overflow (CSO) reported — CITY OF WORCESTER, Dec 23, 2022

Ongoing (as reported) · CITY OF WORCESTER (MassDEP sewage notification portal)

Source: CITY OF WORCESTER (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record c6e7fad3-6b1b-4ad2-a1e1-25f0cd9bfc23, published Dec 23, 2022, 3:11 PM EST, 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 WORCESTER (federal wastewater discharge permit, NPDES, MA0102997). Outlet: WOR001 “QUINSIGAMOND AVENUE”. Location: 42.24664, -71.80200; 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 BROOK TO BLACKSTONE RIVER”. DirtyWaterWatch links this report to Blackstone River, MA. Match basis: the operator's listed receiving water; the report itself does not name the 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

Dec 23, 2022, 2:06 AM EST

Ended

ongoing, as last reported

Detail provided by the source

Times known to the minute

Reported to the source

not given

Published

Dec 23, 2022, 3:11 PM EST

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

Ongoing (as reported)

Material

“CSO – Treated”

Volume

volume not reported (not stated whether estimated or measured)

Volume as reported

none

Advice from CITY OF WORCESTER (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

c6e7fad3-6b1b-4ad2-a1e1-25f0cd9bfc23

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "incidentId": "c6e7fad3-6b1b-4ad2-a1e1-25f0cd9bfc23",
  "incidentNumber": "22001866",
  "incidentDate": "2022-12-23T14:26:34",
  "incidentTime": "02:06",
  "amPm": null,
  "reporterClass": "Public Notification Report",
  "eventType": "CSO – Treated",
  "permiteeClass": "CSO",
  "permiteeName": "CITY OF WORCESTER",
  "permiteeId": "MA0102997",
  "outfallId": "WOR001",
  "municipality": "WORCESTER",
  "reportingType": "Initial-Ongoing",
  "location": "QUINSIGAMOND AVENUE",
  "latitude": null,
  "longitude": null,
  "waterBody": "MILL BROOK TO BLACKSTONE RIVER",
  "waterBodyDescription": null,
  "volumnOfEvent": "",
  "rainfallData": "",
  "hours": "",
  "minutes": "",
  "month": null,
  "year": null,
  "additionalInformation": null,
  "submittedDate": "2022-12-23T15:11:48.607",
  "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_ WOR001 (locations are estimates)",
  "_water": {
    "via": "crosswalk on portal waterbody",
    "text": "MILL BROOK TO BLACKSTONE RIVER",
    "confidence": "low"
  },
  "_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"
}