Connecticut / Reports /

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

Ended (as reported) · STAMFORD (CT DEEP Performance Dashboard)

Source: STAMFORD (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 11515, 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: STAMFORD (federal wastewater discharge permit, NPDES, CT0101087). Outlet: “Manhole, 227 Henry St, Stamford, 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

Sep 13, 2026, 10:45 AM EDT

Ended

Sep 13, 2026, 11:15 AM 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

“Discharge volume amount is unknown due to snap shot video in time.” (not stated whether estimated or measured)

Volume as reported

“Discharge volume amount is unknown due to snap shot video in time.”

Advice from STAMFORD (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

11515

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "Reporting Utility": "STAMFORD",
  "Status": "Closed",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Rain greater than 4\" per hour",
  "Date Bypass Began or was Discovered": "09/13/2026",
  "Event Start Time": "10:45 AM",
  "Location of Bypass": "Manhole",
  "Type of Bypass": "Raw Sewage",
  "Cause of Bypass": "Excessive Flows - Storm Event",
  "Cause of Bypass Other Explanation": "Excessive rainfall event (7.5  inches) led to excessive stormwater runoff and flooding.",
  "How was Incident Discovered": "WPCA received and verified the video.",
  "Estimated Quantity or Rate of Discharge": "Discharge volume amount is unknown due to snap shot video in time.",
  "How was estimated Quantity or Rate Determined": "Discharge volume amount is unknown due to snap shot video in time.",
  "Reach Waterbody": "No",
  "Request ID": "11515",
  "Waterbody Name": null,
  "Date Bypass Ended": "09/13/2026",
  "Event End Time": "11:15 AM",
  "Final Quantity": "Discharge volume amount is unknown due to snap shot video in time.",
  "How was Final Volume Determined": null,
  "How incident was resolved": "Rainfall event ended.",
  "Municipality": "Stamford",
  "Address": "227 Henry St, Stamford, CT",
  "_view": "SSO DATA VIEW"
}