Rhode Island / Events /

Bypass: Woonsocket Regional Wastewater Treatment Facility, Jul 1, 2025

Ended (as reported) · EPA ECHO (reported to regulators)

Source: EPA ECHO (reported to regulators) via ri-echo-dfr, record 3683348818, published Oct 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 11:55 UTC · notice

1. The reported outfall

Outfall reported by Woonsocket Regional Wastewater Treatment Facility (RI0100111). Location: no coordinates in the record or the outfall registry.

2. Waters named in the notice

The notice names: “Blackstone River”. We place it on Blackstone River, RI. Inferred (for example from the discharger's receiving water); the source does not name the water.

3. Modeled downstream reach

No modeled reach for this record in this build.

Open on the main map

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

Jul 1, 2025

Ended

not reported

Precision

Known to the day only

Reported to the source

not given

Published

Oct 30, 2026, 12:00 AM EDT

Source last updated

Oct 30, 2026, 12:00 AM EDT

We fetched it

2026-11-02 11:55 UTC

What and how much

Type

Bypass

Status in the record

Ended (as reported)

Material

not stated

Volume

not reported (not stated whether estimated or measured)

Volume in the source's words

none

Advice

The record carries no advice text from EPA ECHO (reported to regulators).

Advice window

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

Basis

not stated

What it does to the map, over time

• Caution Blackstone River: Discharge record with no status and no reported end, Jul 1, 2025, 12:00 AM EDT to Nov 12, 2026, 11:00 PM EST
• Unresolved: no end reported Blackstone River: Unresolved: no end reported, Nov 12, 2026, 11:00 PM EST to Nov 28, 2026, 11:00 PM EST

Source: intervals computed by DirtyWaterWatch (build/status.py) from this record and the rules on the methods page, as of 2026-11-02 11:56 UTC.

Source and revisions

Source

ri-echo-dfr

Record id at the source

3683348818

Original notice

https://echo.epa.gov/detailed-facility-report?fid=RI0100111

Revision of

none (first record)

Revised by

no later revision

{
  "SourceID": "RI0100111",
  "ViolationDesc": "Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment",
  "NPDESViolationId": "3683348818",
  "Agency": "State",
  "quarters": [
    {
      "quarter": 9,
      "start": "07/01/2025",
      "end": "09/30/2025",
      "value": "07/01/2025",
      "status": null
    }
  ],
  "icis_extract_date": "10/30/2026",
  "weather": "dry",
  "reached_water": true,
  "note": "appeared in EPA ECHO; not a public notice",
  "published_at_basis": "ICIS-NPDES extract date of the first ECHO pull that contained this record",
  "end_note": "ECHO gives one date; the end is not stated",
  "water_basis": "bypass at the treatment plant; plant receiving water: first receiving water in research/ri/dischargers.json",
  "continues_next_quarter": false
}