Clean Water Act discharge permit · NPDES RI0100293
NEWPORT WPCF, Newport, RI: NPDES RI0100293 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
NEWPORT WPCF, held by NEWPORT CITY HALL, holds NPDES permit RI0100293, which discharges to Narragansett Bay. EPA’s file records it issued September 28, 2007 and expiring November 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 | NEWPORT WPCF |
|---|---|
| Permittee as filed | NEWPORT CITY HALL |
| NPDES ID | RI0100293 |
| 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 | September 28, 2007 |
| Expiration date | November 30, 2012 |
| Address | Newport, RI 02840 |
| Receiving water | NARRAGANSETT BAY |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower East Passage (HUC 010900040909) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 28Pollutants on file
- 18Under a numeric limit
- 25With 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 | 13 | 299 | 134 | June 30, 2026 | 992% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 112 | 82 | March 31, 2015 | 79% over the limit |
| Solids, suspended percent removal | 2 | 92 | 79 | March 31, 2026 | 99,999% over the limit |
| Coliform, fecal general | 7 | 188 | 75 | September 30, 2018 | 5,999,900% over the limit |
| BOD, 5-day, 20 deg. C | 13 | 246 | 74 | July 31, 2026 | 774% over the limit |
| BOD, 5-day, percent removal | 2 | 66 | 52 | March 31, 2024 | 99,999% over the limit |
| Solids, settleable | 5 | 117 | 15 | November 30, 1998 | 11,567% over the limit |
| Chlorine, total residual | 5 | 105 | 11 | July 31, 2019 | 5,125% over the limit |
| Enterococci | 0 | 12 | 8 | August 31, 2021 | 8,695,552% over the limit |
| pH | 2 | 22 | 4 | January 31, 2000 | |
| Oil & Grease | 5 | 106 | 0 | ||
| Cyanide, total [as CN] | 0 | 20 | 0 | ||
| Settleable solids percent removal | 1 | 16 | 0 | ||
| Nitrogen, total [as N] | 1 | 4 | 0 | ||
| LC50 Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 3 | 0 | ||
| Zinc, total [as Zn] | 0 | 3 | 0 | ||
| Nitrogen, nitrite total [as N] | 1 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 2 | 0 | ||
| Ammonia nitrogen, total, [as N] 30 day | 0 | 2 | 0 | ||
| Cadmium, total [as Cd] | 0 | 2 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 2 | 0 | ||
| Copper, total [as Cu] | 0 | 2 | 0 | ||
| Lead, total [as Pb] | 0 | 2 | 0 | ||
| Nickel, total [as Ni] | 0 | 2 | 0 | ||
| Aluminum, total [as Al] | 0 | 2 | 0 | ||
| Flow, total | 3 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 0 | 0 | ||
| Nitrogen, nitrate total [as N] | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 6, 2026 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| August 29, 2025 | Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| August 13, 2024 | Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| February 17, 2024 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| February 11, 2024 | Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.
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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 RI0100293 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.