Connecticut / Events /

Sanitary sewer overflow: DERBY, May 19, 2026

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

Source: DERBY (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10665, the source gives no report time, retrieved 2026-11-02 11:20 UTC · notice

1. The reported outfall

Outfall reported by DERBY (CT0100161): “Sewer Main, 1 Caroline St, Derby, CT”. Location: no coordinates in the record or the outfall registry.

2. Waters named in the notice

The notice names: “Housatonic River”. We place it on Housatonic River, CT. Matched by the name of the water in the source record.

3. Modeled downstream reach

No modeled reach for this record in this build.

Open on the main map

When: three different times

The time of the event, the time the source reported, published or updated it, and the time we fetched it are kept apart. Times are shown in New England time; the record keeps the original offsets.

Started

May 19, 2026, 12:00 AM EDT

Ended

not reported

Precision

Known to the minute

Reported to the source

not given

Published

not given

Source last updated

not given

We fetched it

2026-11-02 11:20 UTC

What and how much

Type

Sanitary sewer overflow

Status in the record

Ended (as reported)

Material

“Raw Sewage”

Volume

“5 gallons per hour, 11:05 flow has increased to about 10 gallons a minute” (estimated)

Volume in the source's words

“5 gallons per hour, 11:05 flow has increased to about 10 gallons a minute”

Advice

The record carries no advice text from DERBY (CT DEEP Performance Dashboard).

Advice window

not stated in the record; the state's window on the methods page applies

Basis

not stated

What it does to the map, over time

• No current report Housatonic River: Unresolved: no end reported (off the map after 30 days), Jun 18, 2026, 12:00 AM EDT to Aug 17, 2026, 12:00 AM EDT

Source: intervals computed by DirtyWaterWatch (build/status.py) from this record and the rules on the methods page, as of 2026-11-02 11:56 UTC.

Source and revisions

Source

CT DEEP CSO/SSO Performance Dashboard (QScend)

Record id at the source

10665

Original notice

https://deepct.qscend.mygovcenter.com/cms/cms?id=1

Revision of

none (first record)

Revised by

no later revision

{
  "Reporting Utility": "DERBY",
  "Status": "Closed",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Dry",
  "Date Bypass Began or was Discovered": "05/19/2026",
  "Event Start Time": "00:00 AM",
  "Location of Bypass": "Sewer Main",
  "Type of Bypass": "Raw Sewage",
  "Cause of Bypass": "Sewage Line Broken by Contractor or other utility",
  "Cause of Bypass Other Explanation": "Excavation on Route 8 hit and damaged buried siphon main line.",
  "How was Incident Discovered": "Reported by Empire Paving",
  "Estimated Quantity or Rate of Discharge": "5 gallons per hour, 11:05 flow has increased to about 10 gallons a minute",
  "How was estimated Quantity or Rate Determined": "Visual estimation",
  "Reach Waterbody": "Yes",
  "Request ID": "10665",
  "Waterbody Name": "Housatonic River",
  "Date Bypass Ended": null,
  "Event End Time": null,
  "Final Quantity": null,
  "How was Final Volume Determined": null,
  "How incident was resolved": null,
  "Municipality": "Derby",
  "Address": "1 Caroline St, Derby, CT",
  "_view": "SSO DATA VIEW"
}