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Clean Water Act discharge permit · NPDES RIRND0018

CONANICUT MARINE, Jamestown, RI: NPDES RIRND0018 discharge permit, effluent exceedances, inspections, penalties

CONANICUT MARINE, held by Conanicut Marine Services, Inc., holds NPDES permit RIRND0018. EPA’s file records it issued October 20, 2021 and expiring December 31, 2100.

CONANICUT MARINE, Jamestown, Rhode Island: Coverage under a general permit RIRND0018, held by Conanicut Marine Services, Inc.; Industrial stormwater; Effective; issued October 20, 2021, term to December 31, 2100, by RIDEM.

Rhode Island holds 370 Industrial stormwater coverages of this permit type in EPA’s file; 268 were issued before RIRND0018.

Coverages issued nearest RIRND0018

CONANICUT MARINE among its neighbors

EPA’s permit file holds 25 discharge permits in the Lower East Passage subwatershed (HUC 010900040909), RIRND0018 among them. Its county holds 51, 3 of them major permits; RIRND0018 is a minor permit.

Other permits in the Lower East Passage subwatershed (HUC 010900040909)

What the register holds for CONANICUT MARINE: its NPDES ID, its permit type and status, its dates, its address in Jamestown, Rhode Island. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES RIRND0018.

Identity

Facility as filedCONANICUT MARINE
Permittee as filedConanicut Marine Services, Inc.
NPDES IDRIRND0018
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedOctober 20, 2021
Expiration dateDecember 31, 2100
Issuing agencyRIDEM
AddressJamestown, RI 02835
SubwatershedLower East Passage (HUC 010900040909)
Other EPA IDs (FRS)RCRA handler RIR000500371

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES RIRND0018.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES RIRND0018.

Inspections

EPA’s inspection file holds no inspection for NPDES RIRND0018.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES RIRND0018.

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, RIRND0018.

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  • One state — $4,990/year
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Nearby on the register

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

What this page shows

CONANICUT MARINE is one of 26 storm water industrial permits on EPA's NPDES register in Newport County, and 84.6% of those permits have an earlier issue date than this one. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance.