Massachusetts / Events /

Combined sewer overflow: City of Chicopee (Water Pollution Control), Jun 30, 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 (per-permit DMR data incl. monthly CSO event counts, duration, volume per outfall), record MA0101508:037:2026-07, reported Aug 5, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice

1. The reported outfall

Outfall reported by City of Chicopee (Water Pollution Control) (MA0101508 outfall 037): “EAST MAIN ST #227”. Location: 42.15862, -72.57583, from the state's or EPA's outfall layer.

Source: EPA ECHO outfall inventory matched in data/outfalls-ne.json (match: geometry+name), permit MA0101508 outfall 037.

2. Waters named in the notice

The notice names: “CHICOPEE RIVER”. We place it on Chicopee River, MA. Matched by the outfall's ID in the outfall registry, which places each outfall on a water.

3. Modeled downstream reach

No modeled reach for this record in this build.

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When: three different times

The time of the event, the time the source reported, published or updated it, and the time we fetched it are kept apart. Times are shown in New England time; the record keeps the original offsets.

Started

June 2026

Ended

July 2026

Precision

Known to the month only

Reported to the source

Aug 5, 2026, 8:00 PM EDT

Published

not given

Source last updated

not given

We fetched it

2026-11-02 11:54 UTC

What and how much

Type

Combined sewer overflow

Status in the record

Ended (as reported)

Material

“combined sewage and stormwater”

Volume

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

Volume in the source's words

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

Advice

The record carries no advice text from EPA ECHO Discharge Monitoring Reports (permittee-reported monthly CSO figures).

Advice window

not stated in the record; the state's window on the methods page applies

Basis

not stated

Source and revisions

Source

ECHO Effluent Charts REST services (per-permit DMR data incl. monthly CSO event counts, duration, volume per outfall)

Record id at the source

MA0101508:037:2026-07

Original notice

https://echo.epa.gov/effluent-charts#MA0101508

Revision of

none (first record)

Revised by

no later revision

{
  "month": "2026-07",
  "permit_feature": "037",
  "limit_set_schedule_id": "3600937837",
  "monitoring_location": "Effluent Gross",
  "parameters": {
    "events": {
      "ParameterCode": null,
      "_param": "Number of Events",
      "DMRValueId": "3875173125",
      "DMRValueNmbr": "2",
      "DMRUnitDesc": "#",
      "StatisticalBaseDesc": "MO TOTAL",
      "ValueTypeDesc": "Quantity1",
      "NODICode": null,
      "NODIDesc": null,
      "ValueReceivedDate": "06-AUG-26",
      "DMRDueDate": "15-AUG-26",
      "DaysLate": null,
      "VersionNmbr": "0"
    },
    "duration": {
      "ParameterCode": null,
      "_param": "Duration of discharge",
      "DMRValueId": "3875173119",
      "DMRValueNmbr": null,
      "DMRUnitDesc": null,
      "StatisticalBaseDesc": "MO TOTAL",
      "ValueTypeDesc": "Quantity1",
      "NODICode": "Q",
      "NODIDesc": "Not Quantifiable",
      "ValueReceivedDate": "06-AUG-26",
      "DMRDueDate": "15-AUG-26",
      "DaysLate": null,
      "VersionNmbr": "0"
    },
    "flow": {
      "ParameterCode": null,
      "_param": "Flow, total",
      "DMRValueId": "3875173128",
      "DMRValueNmbr": null,
      "DMRUnitDesc": null,
      "StatisticalBaseDesc": "MO TOTAL",
      "ValueTypeDesc": "Quantity1",
      "NODICode": "Q",
      "NODIDesc": "Not Quantifiable",
      "ValueReceivedDate": "06-AUG-26",
      "DMRDueDate": "15-AUG-26",
      "DaysLate": null,
      "VersionNmbr": "0"
    }
  },
  "note": "monthly DMR total, not an individual event"
}