Clean Water Act discharge permit · NPDES NH0101150
WEST SWANZY W W T P, West Swanzy, NH: NPDES NH0101150 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
WEST SWANZY W W T P, held by SWANZEY SEWER COMMISSION, holds NPDES permit NH0101150, which discharges to Ashuelot River. EPA’s file records it issued October 25, 1982 and expiring October 31, 1987. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WEST SWANZY W W T P |
|---|---|
| Permittee as filed | SWANZEY SEWER COMMISSION |
| NPDES ID | NH0101150 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 25, 1982 |
| Expiration date | October 31, 1987 |
| Address | West Swanzy, NH 03446 |
| Receiving water | ASHUELOT RIVER |
| Subwatershed | Wheelock Brook-Ashuelot River (HUC 010802010401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 0Under a numeric limit
- 15With a violation of any kind
- 10With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 0 | 80 | 36 | May 31, 2023 | 867% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 38 | 26 | July 31, 2002 | 99,999% over the limit |
| Coliform, total general | 0 | 10 | 9 | October 31, 2003 | 99,999% over the limit |
| Phosphorus, total [as P] | 0 | 12 | 8 | August 31, 2023 | 500% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 0 | 20 | 5 | March 31, 2023 | 85% over the limit |
| BOD, 5-day, percent removal | 0 | 5 | 4 | April 30, 2023 | 47% over the limit |
| pH | 0 | 11 | 3 | June 30, 2001 | |
| E. coli, thermotol, MF, MTEC | 0 | 3 | 1 | January 31, 2023 | 496% over the limit |
| Solids, suspended percent removal | 0 | 2 | 1 | July 31, 2003 | 40% over the limit |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 1 | September 30, 2010 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 0 | 17 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 8 | 0 | ||
| Aluminum, total recoverable | 0 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 4 | 0 | ||
| Chlorine, total residual | 0 | 4 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES NH0101150.
Inspections
EPA’s inspection file holds no inspection for NPDES NH0101150.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES NH0101150.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, NH0101150.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID NH0101150 there.
Nearby on the register
- Discharge permits in West Swanzy
- Every permit record in West Swanzy, A to Z
- Discharge permits in New Hampshire
- Every permit record in New Hampshire, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.