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Clean Water Act discharge permit · NPDES RIRND0004

WESTERLY WASTEWATER TREATMENT FACILITY, Westerly, RI: NPDES RIRND0004 discharge permit, effluent exceedances, inspections, penalties

WESTERLY WASTEWATER TREATMENT FACILITY, held by Ch2m, holds NPDES permit RIRND0004. EPA’s file records it issued October 24, 2019 and expiring December 31, 2100. 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.

What the register holds for WESTERLY WASTEWATER TREATMENT FACILITY: its NPDES ID, its permit type and status, its dates, its address in Westerly, Rhode Island. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES RIRND0004.

Identity

Facility as filedWESTERLY WASTEWATER TREATMENT FACILITY
Permittee as filedCh2m
NPDES IDRIRND0004
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedOctober 24, 2019
Expiration dateDecember 31, 2100
Issuing agencyRIDEM
AddressWesterly, RI 02891
Other EPA IDs (FRS)RCRA handler RID084813534

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES RIRND0004.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES RIRND0004.

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, RIRND0004.

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  • 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 RIRND0004 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The WESTERLY WASTEWATER TREATMENT FACILITY storm water industrial permit is one of 64 such permits on EPA's NPDES register in Washington County, and 64.1% of those 64 carry a violation on file. Of all 62 storm water industrial permits in Washington County, 67.7% were issued earlier than this one, and this permit has no pollutants under a numeric limit and no effluent exceedances on record.