Connecticut / Reports /

Sanitary sewer overflow (SSO) reported — DARIEN, Jul 18, 2026

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

Source: DARIEN (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10986, 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: DARIEN. Outlet: “Basement, 111 Gardiner St, Darien, 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: “Stony Brook River”. 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

Jul 18, 2026, 2:15 PM EDT

Ended

Jul 18, 2026, 3:30 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

1 gallon (estimated)

Volume as reported

“1 to 2 gallons per minute observed duration 1 hour 3 minutes. Estimated 120 gallons total”

Advice from DARIEN (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

10986

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "Reporting Utility": "DARIEN",
  "Status": "Closed",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Rain less than 1\" per hour",
  "Date Bypass Began or was Discovered": "07/18/2026",
  "Event Start Time": "02:15 PM",
  "Location of Bypass": "Basement",
  "Type of Bypass": "Raw Sewage",
  "Cause of Bypass": "Sewage Line Blockage - Other",
  "Cause of Bypass Other Explanation": "Trap Rock",
  "How was Incident Discovered": "Call from homeowner",
  "Estimated Quantity or Rate of Discharge": "120 gallons",
  "How was estimated Quantity or Rate Determined": "visual estimate fo flowrate times duration used to estimate total sso volume.",
  "Reach Waterbody": "Yes",
  "Request ID": "10986",
  "Waterbody Name": "Stony Brook River",
  "Date Bypass Ended": "07/18/2026",
  "Event End Time": "03:30 PM",
  "Final Quantity": "1 to 2 gallons per minute observed duration 1 hour 3 minutes.  Estimated 120 gallons total",
  "How was Final Volume Determined": null,
  "How incident was resolved": "Jet rodder utilized, cleared blockage, captured trap rock in pipe.  Nearby construction material stockpile  may have entered sewer manhole.",
  "Municipality": "Darien",
  "Address": "111 Gardiner St, Darien, CT",
  "_view": "SSO DATA VIEW",
  "_dww_note": [
    "receiving water 'Stony Brook River' has no matching water record"
  ]
}