Clean Water Act discharge permit · NPDES RI0023931
NAVAL UNDERSEA WARFARE CENTER, Newport, RI: NPDES RI0023931 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NAVAL UNDERSEA WARFARE CENTER, held by NAVAL UNDERSEA WARFARE CENTER DIV. NEWPORT, holds NPDES permit RI0023931, which discharges to Narragansett Bay. EPA’s file records it issued September 23, 2014 and expiring September 30, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for NAVAL UNDERSEA WARFARE CENTER: its NPDES ID, its permit type and status, its dates, its address in Newport, Rhode Island, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES RI0023931.
Identity
| Facility as filed | NAVAL UNDERSEA WARFARE CENTER |
|---|---|
| Permittee as filed | NAVAL UNDERSEA WARFARE CENTER DIV. NEWPORT |
| NPDES ID | RI0023931 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | September 23, 2014 |
| Expiration date | September 30, 2019 |
| Address | Newport, RI 02841 |
| Receiving water | NARRAGANSETT BAY |
| Subwatershed | Lower East Passage (HUC 010900040909) |
| SIC | 9711 – National Security |
| Other EPA IDs (FRS) | RCRA handler RI8170024790; ICIS-AIR source RI0000004400500701 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES RI0023931.
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 RI0023931.
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, RI0023931.
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 RI0023931 there.
Nearby on the register
- Discharge permits in Newport
- Every permit record in Newport, A to Z
- Discharge permits in Rhode Island
- Every permit record in Rhode Island, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.