Connecticut / Events /

Treatment plant bypass, Sep 28, 2026

Ended (as reported) · New Haven (CT DEEP Performance Dashboard)

Source: New Haven (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 11550, the source gives no report time, retrieved 2026-11-02 11:20 UTC · notice

1. The reported outfall

Outfall reported by an operator the record does not name: “Treatment Plant, 345 E Shore Pkwy, New Haven, CT”. Location: no coordinates in the record or the outfall registry.

2. Waters named in the notice

The notice names: “NEW HAVEN HARBOR”. Not placed on a tracked water.

3. Modeled downstream reach

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

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 28, 2026, 12:00 AM EDT

Ended

Sep 28, 2026, 5:30 AM EDT

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

Ended (as reported)

Material

“Disinfected Partially Treated Raw Sewage”

Volume

“1.7 MGD” (estimated)

Volume in the source's words

“1.7 MGD”

Advice

The record carries no advice text from New Haven (CT DEEP Performance Dashboard).

Advice window

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

Basis

not stated

Source and revisions

Source

CT DEEP CSO/SSO Performance Dashboard (QScend)

Record id at the source

11550

Original notice

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

Revision of

none (first record)

Revised by

no later revision

{
  "Reporting Utility": null,
  "Status": "Closed",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Rain 1-2\" per hour",
  "Date Bypass Began or was Discovered": "09/28/2026",
  "Event Start Time": "00:00 AM",
  "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": ".",
  "How was Incident Discovered": "SCADA",
  "Estimated Quantity or Rate of Discharge": "1.7 MGD",
  "How was estimated Quantity or Rate Determined": "SCADA",
  "Reach Waterbody": "Yes",
  "Request ID": "11550",
  "Waterbody Name": "NEW HAVEN HARBOR",
  "Date Bypass Ended": "09/28/2026",
  "Event End Time": "05:30 AM",
  "Final Quantity": "1.7 MGD",
  "How was Final Volume Determined": null,
  "How incident was resolved": "Rain event ended",
  "Municipality": "New Haven",
  "Address": "345 E Shore Pkwy, New Haven, CT",
  "_view": "SSO DATA VIEW",
  "_dww_note": [
    "receiving water 'NEW HAVEN HARBOR' has no matching water record"
  ]
}