Clean Water Act discharge permit · NPDES RIR50C010

MORTON SALT, Providence, RI: NPDES RIR50C010 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance

MORTON SALT, held by MORTON SALT, INC., holds NPDES permit RIR50C010, which discharges to Providence River. EPA’s file records it issued August 1, 2019 and expiring May 2, 2024. 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.

Identity

Facility as filed	MORTON SALT
Permittee as filed	MORTON SALT, INC.
NPDES ID	RIR50C010
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	August 1, 2019
Expiration date	May 2, 2024
Issuing agency	RIDEM
Address	Providence, RI 02905
Receiving water	PROVIDENCE RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Seekonk River-Providence River (HUC 010900040901)
NAICS	325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
SIC	2899 – Chemical Preparations

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
4With a violation of any kind
0With 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
Oil & Grease	2	12
Coliform, fecal general	2	12
Nitrogen, total [as N]	2	6
Solids, total suspended	2	4

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES RIR50C010.

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

3Single-event violations

Date	What EPA recorded	Agency
May 26, 2026	Failure to properly install, initiate, or fully implement industrial stormwater controls	ST6
May 26, 2026	Failure to properly operate or maintain industrial stormwater controls	ST6
May 26, 2026	Failure to comply with recordkeeping requirements - industrial stormwater [40 CFR 122.41(j)]	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 RIR50C010 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act discharge permit NPDES RIR50C010, held by MORTON SALT, INC. for the facility MORTON SALT in Providence, RI, which discharges to the PROVIDENCE RIVER. The page lists the permit as administratively continued, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.