Connecticut / Reports /

Sanitary sewer overflow (SSO) reported — WEST HAVEN, Sep 13, 2026

Ended (as reported) · WEST HAVEN (CT DEEP Performance Dashboard)

Source: WEST HAVEN (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 11459, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Read the original notice

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1. Reported wastewater outlet

Operator named in the record: WEST HAVEN. Outlet: “Manhole, 30 Platt Ave, West Haven, CT”. Location: not given in the report or in the outlet records.

Outfall: a pipe or outlet where wastewater enters a water body.

2. Waters named in the notice

The notice names: “New Haven Harbor”. DirtyWaterWatch links this report to New Haven Harbor, CT. Match basis: the water named in the report.

3. Estimated downstream stretch

We estimate routes only on rivers before they become tidal. We do not estimate routes through tidal water or lakes.

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When it happened and when it was reported

Event and notice times use Eastern Time (EST or EDT). Retrieval times use Coordinated Universal Time (UTC).

Started

Sep 13, 2026, 9:30 AM EDT

Ended

Sep 13, 2026, 1:30 PM EDT

Detail provided by the source

Times known to the minute

Reported to the source

not given

Published

not given

Source last updated

not given

Last retrieved by DirtyWaterWatch

2026-11-02 11:20 UTC

What and how much

Type

Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.

Status in the record

Ended (as reported)

Material

“Raw Sewage”

Volume

87,840 gallons (estimated)

Volume as reported

“est. 87,840 gallons”

Advice from WEST HAVEN (CT DEEP Performance Dashboard)

This report includes no advice. Check current local health notices.

Advice period

This report does not state a period. See the rule DirtyWaterWatch applies and its source.

Basis

not stated

Status history from this report

• Discharge or advisory reported New Haven Harbor: Discharge reported ongoing, Sep 13, 2026, 9:30 AM EDT to Sep 13, 2026, 1:30 PM EDT
• Discharge or advisory reported New Haven Harbor: Post-discharge period applies, Sep 13, 2026, 1:30 PM EDT to Sep 15, 2026, 1:30 PM EDT
• Caution New Haven Harbor: Within the caution period after the reported end, Sep 15, 2026, 1:30 PM EDT to Sep 16, 2026, 1:30 PM EDT

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-02 16:21 UTC.

Source and versions

Source

CT DEEP CSO/SSO Performance Dashboard (QScend)

Source record number

11459

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "Reporting Utility": "WEST HAVEN",
  "Status": "Closed",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Rain 1-2\" per hour",
  "Date Bypass Began or was Discovered": "09/13/2026",
  "Event Start Time": "09:30 AM",
  "Location of Bypass": "Manhole",
  "Type of Bypass": "Raw Sewage",
  "Cause of Bypass": "Excessive Flows - Storm Event",
  "Cause of Bypass Other Explanation": "Excessive rain event",
  "How was Incident Discovered": "on-call crew",
  "Estimated Quantity or Rate of Discharge": "Visual est. 87,840 gallons",
  "How was estimated Quantity or Rate Determined": "Visual est.",
  "Reach Waterbody": "Yes",
  "Request ID": "11459",
  "Waterbody Name": "New Haven Harbor",
  "Date Bypass Ended": "09/13/2026",
  "Event End Time": "01:30 PM",
  "Final Quantity": "est. 87,840 gallons",
  "How was Final Volume Determined": null,
  "How incident was resolved": "Flows subsided, manhole stopped boiling over",
  "Municipality": "West Haven",
  "Address": "30 Platt Ave, West Haven, CT",
  "_view": "SSO DATA VIEW",
  "_dww_note": [
    "receiving water 'New Haven Harbor' has no matching water record"
  ]
}