Connecticut / Reports /

Sanitary sewer overflow (SSO) reported — Greater New Haven WPCA, Jun 28, 2026

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

Source: Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10837, 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: Greater New Haven WPCA (federal wastewater discharge permit, NPDES, CT0100366). Outlet: “Manhole, Downing St, New 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 no water. Not linked to a mapped water.

3. Estimated downstream stretch

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

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

Jun 28, 2026, 5:00 PM EDT

Ended

Jun 28, 2026, 5:30 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

“Less than 50 gallons.” (estimated)

Volume as reported

“Less than 50 gallons.”

Advice from Greater New Haven WPCA (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

10837

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "Reporting Utility": "GNHWPCA",
  "Status": "Closed",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Dry",
  "Date Bypass Began or was Discovered": "06/28/2026",
  "Event Start Time": "05:00 PM",
  "Location of Bypass": "Manhole",
  "Type of Bypass": "Raw Sewage",
  "Cause of Bypass": "Sewage Line Blockage - Other",
  "Cause of Bypass Other Explanation": "Crew pulled back roots, rags and debris. Line was jetted and flow restored.",
  "How was Incident Discovered": "Resident reported it to the RWA. The RWA reported it to the GNHWPCA.",
  "Estimated Quantity or Rate of Discharge": "Less than 50 gallons were discharged to the street.",
  "How was estimated Quantity or Rate Determined": "Field estimate by crew.",
  "Reach Waterbody": "No",
  "Request ID": "10837",
  "Waterbody Name": null,
  "Date Bypass Ended": "06/28/2026",
  "Event End Time": "05:30 PM",
  "Final Quantity": "Less than 50 gallons.",
  "How was Final Volume Determined": null,
  "How incident was resolved": "Crew jetted the city line and restored flow. The street was washed and vacuumed up and the catch basin near the manhole was cleaned.",
  "Municipality": "New Haven",
  "Address": "Downing St, New Haven, CT",
  "_view": "SSO DATA VIEW"
}