Connecticut / Events /

Sanitary sewer overflow: Norwich Public Utilities, Sep 28, 2026

Ended (as reported) · Norwich Public Utilities (CT DEEP Performance Dashboard)

Source: Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 11552, the source gives no report time, retrieved 2026-11-02 11:20 UTC · notice

1. The reported outfall

Outfall reported by Norwich Public Utilities (CT0100412): “Sewer Main, 30 Falls Ave, Norwich, CT”. Location: no coordinates in the record or the outfall registry.

2. Waters named in the notice

The notice names: “Yantic river”. We place it on Yantic 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

Sep 28, 2026, 6:00 AM EDT

Ended

Sep 28, 2026, 8:30 PM EDT

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

1.5 million gal (not stated whether estimated or measured)

Volume in the source's words

“1502125”

Advice

The record carries no advice text from Norwich Public Utilities (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

• Advisory in effect Yantic River: Discharge in progress, Sep 28, 2026, 6:00 AM EDT to Sep 28, 2026, 8:30 PM EDT
• Advisory in effect Yantic River: Within the authority's advice window after the discharge ended, Sep 28, 2026, 8:30 PM EDT to Sep 30, 2026, 8:30 PM EDT
• Caution Yantic River: Within the site's caution window after the discharge ended (data/rules.json), Sep 30, 2026, 8:30 PM EDT to Oct 1, 2026, 8:30 PM 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

11552

Original notice

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

Revision of

none (first record)

Revised by

no later revision

{
  "Reporting Utility": "NORWICH WPCF",
  "Status": "Closed",
  "Incident Type": "Sewage Bypass",
  "Weather Conditions": "Dry",
  "Date Bypass Began or was Discovered": "09/28/2026",
  "Event Start Time": "06:00 AM",
  "Location of Bypass": "Sewer Main",
  "Type of Bypass": "Raw Sewage",
  "Cause of Bypass": "Sewage Line Break, Crack or Failure",
  "Cause of Bypass Other Explanation": "Broken section of force main",
  "How was Incident Discovered": "Operator call in",
  "Estimated Quantity or Rate of Discharge": "100gpm plus Meter1382125plus120m x 100gpm=120000",
  "How was estimated Quantity or Rate Determined": "Flow Meter",
  "Reach Waterbody": "Yes",
  "Request ID": "11552",
  "Waterbody Name": "Yantic river",
  "Date Bypass Ended": "09/28/2026",
  "Event End Time": "08:30 PM",
  "Final Quantity": "1502125",
  "How was Final Volume Determined": null,
  "How incident was resolved": "Replaced section of FM",
  "Municipality": "Norwich",
  "Address": "30 Falls Ave, Norwich, CT",
  "_view": "SSO DATA VIEW"
}