Massachusetts / Events /

Combined sewer overflow: Springfield Water and Sewer Commission, Aug 31, 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 MA0101613:048:2026-09, reported Oct 8, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice

1. The reported outfall

Outfall reported by Springfield Water and Sewer Commission (MA0101613 outfall 048): “ALLEN & RIFLE STS.”. Location: 42.09703, -72.56393, from the state's or EPA's outfall layer.

Source: EPA ECHO outfall inventory matched in data/outfalls-ne.json (match: geometry), permit MA0101613 outfall 048.

2. Waters named in the notice

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

3. Modeled downstream reach

Not modeled: the reach model runs on rivers above the head of tide only.

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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

August 2026

Ended

September 2026

Precision

Known to the month only

Reported to the source

Oct 8, 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

“1 discharge event(s); 0.25 hr of discharge; 13000 gal/d (DAILY MX; monthly-total semantics unconfirmed)” (not stated whether estimated or measured)

Volume in the source's words

“1 discharge event(s); 0.25 hr of discharge; 13000 gal/d (DAILY MX; monthly-total semantics unconfirmed)”

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

MA0101613:048:2026-09

Original notice

https://echo.epa.gov/effluent-charts#MA0101613

Revision of

none (first record)

Revised by

no later revision

{
  "month": "2026-09",
  "permit_feature": "048",
  "limit_set_schedule_id": "3600786280",
  "monitoring_location": "Storm Water",
  "parameters": {
    "events": {
      "ParameterCode": null,
      "_param": "Number of Events",
      "DMRValueId": "3880197455",
      "DMRValueNmbr": "1",
      "DMRUnitDesc": "#",
      "StatisticalBaseDesc": "DAILY MX",
      "ValueTypeDesc": "Quantity2",
      "NODICode": null,
      "NODIDesc": null,
      "ValueReceivedDate": "09-OCT-26",
      "DMRDueDate": "15-OCT-26",
      "DaysLate": null,
      "VersionNmbr": "0"
    },
    "duration": {
      "ParameterCode": null,
      "_param": "Duration of discharge",
      "DMRValueId": "3880197456",
      "DMRValueNmbr": ".25",
      "DMRUnitDesc": "hr",
      "StatisticalBaseDesc": "DAILY MX",
      "ValueTypeDesc": "Quantity2",
      "NODICode": null,
      "NODIDesc": null,
      "ValueReceivedDate": "09-OCT-26",
      "DMRDueDate": "15-OCT-26",
      "DaysLate": null,
      "VersionNmbr": "0"
    },
    "flow": {
      "ParameterCode": null,
      "_param": "Flow, total",
      "DMRValueId": "3880197457",
      "DMRValueNmbr": "13000",
      "DMRUnitDesc": "gal/d",
      "StatisticalBaseDesc": "DAILY MX",
      "ValueTypeDesc": "Quantity2",
      "NODICode": null,
      "NODIDesc": null,
      "ValueReceivedDate": "09-OCT-26",
      "DMRDueDate": "15-OCT-26",
      "DaysLate": null,
      "VersionNmbr": "0"
    }
  },
  "note": "monthly DMR total, not an individual event"
}