New Hampshire / Reports /
Treatment plant bypass reported — Town of Exeter WWTP, Jun 25, 2026
Ended (as reported) · Town of Exeter DPW (Combined Sewer & Sanitary Sewer Overflows page)
Source: Town of Exeter DPW (Combined Sewer & Sanitary Sewer Overflows page) via History of CSO Occurrences PDF, record exeter:bypass:2026-06-25:1, the source gives no report time, retrieved 2026-11-02 15:54 UTC · Read the original notice
Current status from this report
This report does not set a map status as of Nov 2, 2026, 10:57 AM EST. Check its dates and the status rules.
A report is not a test of the water. See how we assign statuses.
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1. Reported wastewater outlet
Operator named in the record: Town of Exeter WWTP (federal wastewater discharge permit, NPDES, NH0100871). Outlet: 001 “WWTP outfall 001”. 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. DirtyWaterWatch links this report to Squamscott River, NH. Match basis: the operator's listed receiving water; the report itself does not name the water.
3. Estimated downstream stretch
No downstream estimate is available for this report.
Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.
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
- Ended
- 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
What and how much
- Type
- Treatment bypass: wastewater skips one or more treatment steps.
- Status in the record
- Ended (as reported)
- Material
- “non-disinfected treated effluent”
- Volume
- 340 gallons (not stated whether estimated or measured)
- Volume as reported
- “340 gallons”
Advice from Town of Exeter DPW (Combined Sewer & Sanitary Sewer Overflows page)
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
- History of CSO Occurrences PDF
- Source record number
- exeter:bypass:2026-06-25:1
- Original notice
- Read the original notice
- Earlier version
- None: this is the first record
- Later versions
- None
Record details
| Record identifier | nh-permittees:exeter:bypass:2026-06-25:1 |
|---|---|
| Source identifier | nh-permittees |
| Source record number | exeter:bypass:2026-06-25:1 |
| Earlier version | Not provided |
| Type | Treatment plant bypass |
| Status in the report | Ended (as reported) |
| Sewer operator identifier | nh-exeter-wwtp-bypass |
| Sewer operator | Town of Exeter WWTP |
| Federal wastewater discharge permit (NPDES) | NH0100871 |
| Outlet number | 001 |
| Outlet name | WWTP outfall 001 |
| Water named in the report | Not provided |
| Linked waters | squamscott-river-nh |
| How this report was linked to the water | the operator's listed receiving water; the report itself does not name the water |
| Latitude | Not provided |
| Longitude | Not provided |
| Location source | Not provided |
| Location accuracy, in metres | Not provided |
| Started | Jun 25, 2026, 1:38 AM EDT (2026-06-25T01:38:00-04:00) |
| Ended | Jun 25, 2026, 1:43 AM EDT (2026-06-25T01:43:00-04:00) |
| Detail provided by the source | to the minute |
| Reported to the source | Not provided |
| Published | Not provided |
| Source last updated | Not provided |
| Last retrieved by DirtyWaterWatch | Nov 2, 2026, 10:54 AM EST (2026-11-02T15:54:55Z) |
| Material | non-disinfected treated effluent |
| Volume, in gallons | 340 |
| Volume as reported | 340 gallons |
| How volume was determined | not stated whether estimated or measured |
| Authority | Town of Exeter DPW (Combined Sewer & Sanitary Sewer Overflows page) |
| Advice | Not provided |
| Advice period, in hours | Not provided |
| Basis of the advice period | Not provided |
| Original notice | https://www.exeternh.gov/publicworks/combined-sewer-sanitary-sewer-overflows |
Original source data
{
"section": "Non-disinfected Discharge",
"text": "June 25, 2026 - Due to an unexpected power outage at approximately 1:38 am, for a duration of 5 minutes, there was a non-disinfected discharge of 340 gallons from outfall 001."
} Source: Town of Exeter DPW (Combined Sewer & Sanitary Sewer Overflows page) via History of CSO Occurrences PDF, record exeter:bypass:2026-06-25:1, the source gives no report time, retrieved 2026-11-02 15:54 UTC · Read the original notice
Staff names, email addresses and phone numbers are removed from source data before it is stored.