Clean Water Act discharge permit · NPDES NH0100650
PETERBOROUGH WASTEWATER TREATMENT PLANT, Peterborough, NH: NPDES NH0100650 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 22Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
PETERBOROUGH WASTEWATER TREATMENT PLANT, held by PETERBOROUGH TOWN OF, holds NPDES permit NH0100650, which discharges to Contoocook River. EPA’s file records it issued February 27, 2007 and expiring April 30, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PETERBOROUGH WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | PETERBOROUGH TOWN OF |
| NPDES ID | NH0100650 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 27, 2007 |
| Expiration date | April 30, 2012 |
| Address | Peterborough, NH 03458 |
| Receiving water | CONTOOCOOK RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Gridley River-Contoocook River (HUC 010700030104) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 22Under a numeric limit
- 16With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 7 | 188 | 162 | June 30, 2015 | 251% over the limit |
| Solids, total suspended | 7 | 111 | 79 | February 28, 2017 | 308% over the limit |
| Phosphorus, total [as P] | 4 | 29 | 28 | July 31, 2023 | 5,217% over the limit |
| BOD, 5-day, percent removal | 1 | 30 | 27 | May 31, 2014 | 147% over the limit |
| E. coli, thermotol, MF, MTEC | 2 | 28 | 24 | July 31, 2023 | 99,999% over the limit |
| pH | 2 | 24 | 19 | July 31, 2011 | |
| Solids, suspended percent removal | 1 | 15 | 13 | January 31, 2017 | 200% over the limit |
| Chlorine, total residual | 2 | 14 | 6 | February 28, 2009 | 492% over the limit |
| Aluminum, total recoverable | 1 | 12 | 6 | July 31, 2023 | 613% over the limit |
| Copper, total recoverable | 1 | 11 | 4 | July 31, 2023 | 1,505% over the limit |
| Lead, total recoverable | 1 | 8 | 4 | June 30, 2023 | 65% over the limit |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 1 | 1 | September 30, 2020 | 29% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 6 | 0 | ||
| Zinc, total recoverable | 1 | 5 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 1 | 1 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Chromium, total recoverable | 1 | 0 | 0 | ||
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 1 | 0 | 0 | ||
| NOEL Static 7Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Noel Statre 7Day Chronic Pimephales | 1 | 0 | 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 NH0100650.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
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, NH0100650.
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 NH0100650 there.
Nearby on the register
- Discharge permits in Peterborough
- Every permit record in Peterborough, 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 14, 2026.