Connecticut / Events /

Treatment plant bypass: WEST HAVEN, Sep 13, 2026

Not stated by the source · WEST HAVEN (CT DEEP Performance Dashboard)

Source: WEST HAVEN (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 11455, the source gives no report time, retrieved 2026-11-02 11:20 UTC · notice

1. The reported outfall

Outfall reported by WEST HAVEN: “Treatment Plant, 2 Beach St, West Haven, CT”. Location: 41.26790, -72.93150, given in the source record, precision about 11 m.

2. Waters named in the notice

The notice names: “New Haven Harbor”. We place it on Long Island Sound, CT. Matched by the record's coordinates to the nearest tracked water.

point 103 m from the water

3. Modeled downstream reach

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

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

Sep 13, 2026, 3:30 PM EDT

Ended

not reported

Precision

Known to the minute

Reported to the source

not given

Published

not given

Source last updated

not given

We fetched it

2026-11-02 11:20 UTC

What and how much

Type

Treatment plant bypass

Status in the record

Not stated by the source

Material

“Disinfected Partially Treated Raw Sewage”

Volume

“Flows still elevated above 22MGD” (measured or verified)

Volume in the source's words

“Flows still elevated above 22MGD”

Advice

The record carries no advice text from WEST HAVEN (CT DEEP Performance Dashboard).

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 Long Island Sound: Discharge record with no status and no reported end, Sep 13, 2026, 3:30 PM EDT to Sep 27, 2026, 3:30 PM EDT
• Unresolved: no end reported Long Island Sound: Unresolved: no end reported, Sep 27, 2026, 3:30 PM EDT to Oct 13, 2026, 3:30 PM EDT
• No current report Long Island Sound: Unresolved: no end reported (off the map after 30 days), Oct 13, 2026, 3:30 PM EDT to Dec 12, 2026, 2:30 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

CT DEEP CSO/SSO Performance Dashboard (QScend)

Record id at the source

11455

Original notice

https://deepct.qscend.mygovcenter.com/cms/cms?id=1

Revision of

none (first record)

Revised by

no later revision

{
  "Reporting Utility": "WEST HAVEN",
  "Status": "Open",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Rain 2-3\" per hour",
  "Date Bypass Began or was Discovered": "09/13/2026",
  "Event Start Time": "03:30 PM",
  "Location of Bypass": "Treatment Plant",
  "Type of Bypass": "Disinfected Partially Treated Raw Sewage",
  "Cause of Bypass": "Excessive Flows - Storm Event",
  "Cause of Bypass Other Explanation": "Facility flows exceeding 22 MGD",
  "How was Incident Discovered": "Operator on shift",
  "Estimated Quantity or Rate of Discharge": "Flows still elevated above 22MGD",
  "How was estimated Quantity or Rate Determined": "Effluent Flow Meter",
  "Reach Waterbody": "Yes",
  "Request ID": "11455",
  "Waterbody Name": "New Haven Harbor",
  "Date Bypass Ended": null,
  "Event End Time": null,
  "Final Quantity": null,
  "How was Final Volume Determined": null,
  "How incident was resolved": null,
  "Municipality": "West Haven",
  "Address": "2 Beach St, West Haven, CT",
  "_view": "SSO DATA VIEW",
  "_dww_note": [
    "source status 'Open' with no end, started more than 7 days before the fetch: DEEP's Open flag is not maintained by operators, so this is not treated as ongoing",
    "receiving water 'New Haven Harbor' has no matching water record"
  ],
  "_map_point": {
    "lat": 41.2679,
    "lon": -72.9315,
    "chart": "Open SSO Bypasses by Location"
  }
}