Massachusetts / Reports /

Combined sewer overflow (CSO) reported — City of Chicopee (Water Pollution Control), Aug 1, 2026

Ended (as reported) · EPA ECHO Discharge Monitoring Reports (permittee-reported monthly CSO figures)

Source: EPA ECHO Discharge Monitoring Reports (permittee-reported monthly CSO figures) via ECHO Effluent Charts REST services, record MA0101508:024:2026-08, reported Sep 3, 2026, 12:00 AM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice

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1. Reported wastewater outlet

Operator named in the record: City of Chicopee (Water Pollution Control) (federal wastewater discharge permit, NPDES, MA0101508). Outlet: 024 “FRONT AND DEPOT ST. AREA”. Location: 42.14326, -72.61609; location source: from the state's or EPA's outfall layer.

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

Source: EPA ECHO wastewater outlet records, permit MA0101508, outlet 024. Location linked by DirtyWaterWatch.

2. Waters named in the notice

The notice names: “Connecticut River”. DirtyWaterWatch links this report to Connecticut River, MA. Match basis: the outlet's permit and number in EPA and state records.

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

August 2026

Ended

August 2026

Detail provided by the source

Times known to the month only

Reported to the source

Sep 3, 2026, 12:00 AM EDT

Published

not given

Source last updated

not given

Last retrieved by DirtyWaterWatch

2026-11-02 15:54 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

“combined sewage and stormwater”

Volume

“9 discharge event(s); NODI duration Q, flow Q” (not stated whether estimated or measured)

Volume as reported

“9 discharge event(s); NODI duration Q, flow Q”

Advice from EPA ECHO Discharge Monitoring Reports (permittee-reported monthly CSO figures)

This report includes no advice. Check current local health notices.

Advice period

This report does not state a period. See the rule DirtyWaterWatch applies and its source.

Basis

not stated

Source and versions

Source

ECHO Effluent Charts REST services

Source record number

MA0101508:024:2026-08

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "month": "2026-08",
  "permit_feature": "024",
  "limit_set_schedule_id": "3600937825",
  "monitoring_location": "Effluent Gross",
  "parameters": {
    "events": {
      "ParameterCode": null,
      "_param": "Number of Events",
      "DMRValueId": "3878660181",
      "DMRValueNmbr": "9",
      "DMRUnitDesc": "#",
      "StatisticalBaseDesc": "MO TOTAL",
      "ValueTypeDesc": "Quantity1",
      "NODICode": null,
      "NODIDesc": null,
      "ValueReceivedDate": "03-SEP-26",
      "DMRDueDate": "15-SEP-26",
      "DaysLate": null,
      "VersionNmbr": "0"
    },
    "duration": {
      "ParameterCode": null,
      "_param": "Duration of discharge",
      "DMRValueId": "3878660178",
      "DMRValueNmbr": null,
      "DMRUnitDesc": null,
      "StatisticalBaseDesc": "MO TOTAL",
      "ValueTypeDesc": "Quantity1",
      "NODICode": "Q",
      "NODIDesc": "Not Quantifiable",
      "ValueReceivedDate": "03-SEP-26",
      "DMRDueDate": "15-SEP-26",
      "DaysLate": null,
      "VersionNmbr": "0"
    },
    "flow": {
      "ParameterCode": null,
      "_param": "Flow, total",
      "DMRValueId": "3878660179",
      "DMRValueNmbr": null,
      "DMRUnitDesc": null,
      "StatisticalBaseDesc": "MO TOTAL",
      "ValueTypeDesc": "Quantity1",
      "NODICode": "Q",
      "NODIDesc": "Not Quantifiable",
      "ValueReceivedDate": "03-SEP-26",
      "DMRDueDate": "15-SEP-26",
      "DaysLate": null,
      "VersionNmbr": "0"
    }
  },
  "note": "monthly DMR total, not an individual event"
}