Clean Water Act discharge permit · NPDES NHG580017
SUNAPEE W W T F, Sunapee, NH: NPDES NHG580017 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 31Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
SUNAPEE W W T F holds NPDES permit NHG580017, which discharges to Sugar River. EPA’s file records it issued December 1, 2021 and expiring November 30, 2026. 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 | SUNAPEE W W T F |
|---|---|
| Permittee as filed | SUNAPEE W W T F |
| NPDES ID | NHG580017 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 1, 2021 |
| Expiration date | November 30, 2026 |
| Address | Sunapee, NH 03782 |
| Receiving water | SUGAR RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Long Pond Brook-Sugar River (HUC 010801060405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 31Pollutants on file
- 31Under a numeric limit
- 11With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Copper, total [as Cu] | 3 | 6 | 6 | March 31, 2026 | 112% over the limit |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 3 | 3 | June 30, 2026 | 27% over the limit |
| Phosphorus, total [as P] | 6 | 2 | 2 | April 30, 2026 | 16% over the limit |
| E. coli | 2 | 2 | 2 | April 30, 2026 | 65% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 1 | 1 | December 31, 2024 | 32% over the limit |
| NOEL Static 7Day Chronic Ceriodaphnia dubia | 1 | 1 | 1 | September 30, 2024 | 99,999% over the limit |
| Nitrogen, total [as N] | 4 | 4 | 0 | ||
| Perfluorooctanoic acid (PFOA) | 3 | 2 | 0 | ||
| Perfluorononanoic acid (PFNA) | 3 | 2 | 0 | ||
| Perfluorohexanesulfonic acid (PFHxS) | 3 | 2 | 0 | ||
| Perfluorooctanesulfonic acid (PFOS) | 3 | 2 | 0 | ||
| Solids, total suspended | 8 | 0 | 0 | ||
| pH | 3 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 3 | 0 | 0 | ||
| Aluminum, total [as Al] | 3 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 0 | 0 | ||
| Carbon, tot organic [TOC] | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 | ||
| Temperature, water deg. centigrade | 1 | 0 | 0 | ||
| Carbon, dissolved organic [as C] | 1 | 0 | 0 | ||
| BOD, 5-day, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 | ||
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 1 | 0 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 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 NHG580017.
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, NHG580017.
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 NHG580017 there.
Nearby on the register
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- Every permit record in Sunapee, 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.