Clean Water Act discharge permit · NPDES CAZ493895

ENGINEERED POLYMER SOLUTIONS, Los Angeles, CA: NPDES CAZ493895 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

ENGINEERED POLYMER SOLUTIONS, held by The Sherwin Williams Manufacturing Company, holds NPDES permit CAZ493895. EPA’s file records it issued April 4, 2018 and expiring June 30, 2020. 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.

Identity

Facility as filed	ENGINEERED POLYMER SOLUTIONS
Permittee as filed	The Sherwin Williams Manufacturing Company
NPDES ID	CAZ493895
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	April 4, 2018
Expiration date	June 30, 2020
Issuing agency	CA Waterboards
Address	Los Angeles, CA 90040
Subwatershed	Chavez Ravine-Los Angeles River (HUC 180701050401)
Other EPA IDs (FRS)	RCRA handler CAD002277093; ICIS-AIR source CASCA00006037CH217

Cited to the EPA ICIS-NPDES permit file (ECHO 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 CAZ493895.

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

1Single-event violations

Date	What EPA recorded	Agency
July 7, 2022	Effluent Violations - Unauthorized Discharge	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES CAZ493895.

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 CAZ493895.

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 CAZ493895 there.

Nearby on the register

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

This public-records page covers NPDES permit CAZ493895, held by The Sherwin Williams Manufacturing Company for the facility ENGINEERED POLYMER SOLUTIONS in Los Angeles, CA, under an industrial stormwater program with a permit status of administratively continued. The register lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit's recorded issuance date is April 4, 2018, with an expiration date of June 30, 2020.