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Connecticut / Reports /

Sanitary sewer overflow (SSO) reported — WEST HAVEN, Jul 6, 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 10920, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Read the original notice

Current status from this report

This report does not set a map status as of Nov 2, 2026, 11:21 AM EST. Check its dates and the status rules.

A report is not a test of the water. See how we assign statuses.

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1. Reported wastewater outlet

Operator named in the record: WEST HAVEN. Outlet: “Manhole, Ocean 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.

Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.

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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
Ended
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

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
3,000 gallons (estimated)
Volume as reported
“Approximately volume of all areas: 3000 to 5000 gallons total.”

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

Source and versions

Source
CT DEEP CSO/SSO Performance Dashboard (QScend)
Source record number
10920
Original notice
Read the original notice
Earlier version
None: this is the first record
Later versions
None

Record details

Record details
Record identifierct-deep:10920
Source identifierct-deep
Source record number10920
Earlier versionNot provided
TypeSanitary sewer overflow (SSO)
Status in the reportEnded (as reported)
Sewer operator identifierct-west-haven
Sewer operatorWEST HAVEN
Federal wastewater discharge permit (NPDES)Not provided
Outlet numberNot provided
Outlet nameManhole, Ocean Ave, West Haven, CT
Water named in the reportNew Haven Harbor
Linked watersnew-haven-harbor-ct
How this report was linked to the waterthe water named in the report
LatitudeNot provided
LongitudeNot provided
Location sourceNot provided
Location accuracy, in metresNot provided
StartedJul 6, 2026, 3:00 PM EDT (2026-07-06T15:00:00-04:00)
EndedJul 6, 2026, 10:30 PM EDT (2026-07-06T22:30:00-04:00)
Detail provided by the sourceto the minute
Reported to the sourceNot provided
PublishedNot provided
Source last updatedNot provided
Last retrieved by DirtyWaterWatchNov 2, 2026, 6:20 AM EST (2026-11-02T11:20:59Z)
MaterialRaw Sewage
Volume, in gallons3,000
Volume as reportedApproximately volume of all areas: 3000 to 5000 gallons total.
How volume was determinedestimated
AuthorityWEST HAVEN (CT DEEP Performance Dashboard)
AdviceNot provided
Advice period, in hoursNot provided
Basis of the advice periodNot provided
Original noticehttps://deepct.qscend.mygovcenter.com/cms/cms?id=1

Original source data

{
  "Reporting Utility": "WEST HAVEN",
  "Status": "Closed",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Rain less than 1\" per hour",
  "Date Bypass Began or was Discovered": "07/06/2026",
  "Event Start Time": "03:00 PM",
  "Location of Bypass": "Manhole",
  "Type of Bypass": "Raw Sewage",
  "Cause of Bypass": "Excessive Flows - Storm Event",
  "Cause of Bypass Other Explanation": null,
  "How was Incident Discovered": "Operator rounds and Emergency Response call-ins from local residents during significant rain event.",
  "Estimated Quantity or Rate of Discharge": "100 to 200 gallons per hour as of 16:15 on 7/6/2026",
  "How was estimated Quantity or Rate Determined": "visual inspection",
  "Reach Waterbody": "Yes",
  "Request ID": "10920",
  "Waterbody Name": "New Haven Harbor",
  "Date Bypass Ended": "07/06/2026",
  "Event End Time": "10:30 PM",
  "Final Quantity": "Approximately volume of all areas: 3000 to 5000 gallons total.",
  "How was Final Volume Determined": null,
  "How incident was resolved": "Rain even ebbed.",
  "Municipality": "West Haven",
  "Address": "Ocean Ave, West Haven, CT",
  "_view": "SSO DATA VIEW",
  "_dww_note": [
    "receiving water 'New Haven Harbor' has no matching water record"
  ]
}

Source: WEST HAVEN (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10920, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Read the original notice

Staff names, email addresses and phone numbers are removed from source data before it is stored.