Clean Water Act discharge permit · NPDES NH0100200
NEWPORT WASTEWATER TREATMENT FACILITY, Newport, NH: NPDES NH0100200 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 22Pollutants under a numeric limit
- 15Pollutants with an effluent exceedance
NEWPORT WASTEWATER TREATMENT FACILITY, held by NEWPORT TOWN OF, holds NPDES permit NH0100200, which discharges to Sugar River. EPA’s file records it issued April 18, 2007 and expiring June 30, 2012. 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 | NEWPORT WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | NEWPORT TOWN OF |
| NPDES ID | NH0100200 |
| 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 | April 18, 2007 |
| Expiration date | June 30, 2012 |
| Address | Newport, NH 03773 |
| Receiving water | SUGAR RIVER |
| Subwatershed | Long Pond Brook-Sugar River (HUC 010801060405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 22Under a numeric limit
- 20With a violation of any kind
- 15With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 8 | 95 | 79 | January 31, 2026 | 852% over the limit |
| Solids, total suspended | 7 | 60 | 54 | August 31, 2025 | 384% over the limit |
| E. coli, thermotol, MF, MTEC | 2 | 58 | 48 | April 30, 2026 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 26 | 26 | August 31, 2025 | 180% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 27 | 24 | December 31, 2022 | 99,999% over the limit |
| Copper, total recoverable | 1 | 23 | 21 | June 30, 2026 | 179% over the limit |
| LC50 Static 48Hr Acute Pimephales promelas | 1 | 23 | 21 | March 31, 2026 | 46% over the limit |
| pH | 2 | 21 | 21 | October 31, 2023 | |
| Nitrogen, ammonia total [as N] | 3 | 24 | 19 | March 31, 2026 | 400% over the limit |
| Aluminum, total recoverable | 3 | 15 | 11 | November 30, 2025 | 110% over the limit |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 12 | 10 | March 31, 2025 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 13 | 3 | July 31, 2014 | 22% over the limit |
| Lead, total recoverable | 1 | 5 | 3 | October 31, 2024 | 30% over the limit |
| BOD, 5-day, percent removal | 1 | 3 | 3 | March 31, 2022 | 80% over the limit |
| Noel Statre 7Day Chronic Pimephales | 1 | 5 | 2 | June 30, 2009 | 99,999% over the limit |
| Hardness, total [as CaCO3] | 1 | 2 | 0 | ||
| Nickel, total recoverable | 1 | 2 | 0 | ||
| Zinc, total recoverable | 1 | 2 | 0 | ||
| Cadmium, total recoverable | 1 | 2 | 0 | ||
| Chromium, total recoverable | 1 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 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
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 4, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | EP6 |
| July 28, 2025 | Monitoring Violations - Improper Analysis or Lab Error | EP6 |
| May 18, 2025 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | EP6 |
| January 16, 2025 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | EP6 |
| February 6, 2022 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | EP6 |
| January 31, 2022 | Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | EP6 |
| July 29, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
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
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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 NH0100200 there.
Nearby on the register
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- Every permit record in Newport, A to Z
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- Every permit record in New Hampshire, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.