Connecticut / Reports /

Sanitary sewer overflow (SSO) reported — GROTON, TOWN OF, Jul 4, 2026

Ended (as reported) · GROTON, TOWN OF (CT DEEP Performance Dashboard)

Source: GROTON, TOWN OF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10894, 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: GROTON, TOWN OF. Outlet: “Manhole, 1250 Poquonnock Rd, Groton, 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: “Poquonnock River”. DirtyWaterWatch links this report to Poquonock River, CT. Match basis: the water named in the report.

3. Estimated downstream stretch

No downstream estimate is available for this report.

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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

Jul 4, 2026, 11:30 PM EDT

Ended

Jul 4, 2026, 12:00 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

1,000 gallons (not stated whether estimated or measured)

Volume as reported

“1000 gallons”

Advice from GROTON, TOWN OF (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

• No current status shown Poquonock River: End not confirmed, Aug 3, 2026, 11:30 PM EDT to Oct 2, 2026, 11:30 PM EDT

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-02 15:57 UTC.

Source and versions

Source

CT DEEP CSO/SSO Performance Dashboard (QScend)

Source record number

10894

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

Note

Some details could not be read automatically. Check the original notice.

{
  "Reporting Utility": "GROTON, TOWN OF",
  "Status": "Closed",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Rain greater than 4\" per hour",
  "Date Bypass Began or was Discovered": "07/04/2026",
  "Event Start Time": "11:30 PM",
  "Location of Bypass": "Manhole",
  "Type of Bypass": "Raw Sewage",
  "Cause of Bypass": "Electrical Equipment Failure",
  "Cause of Bypass Other Explanation": null,
  "How was Incident Discovered": "Citizen observation",
  "Estimated Quantity or Rate of Discharge": "1000 gallons",
  "How was estimated Quantity or Rate Determined": "Estimated",
  "Reach Waterbody": "Yes",
  "Request ID": "10894",
  "Waterbody Name": "Poquonnock River",
  "Date Bypass Ended": "07/04/2026",
  "Event End Time": "12:00 PM",
  "Final Quantity": "1000 gallons",
  "How was Final Volume Determined": null,
  "How incident was resolved": "replaced faulty UPS.",
  "Municipality": "Groton",
  "Address": "1250 Poquonnock Rd, Groton, CT",
  "_view": "SSO DATA VIEW",
  "_dww_note": [
    "end is before start in the source"
  ]
}