Clean Water Act discharge permit · NPDES CA0063401

EDWARD C. LITTLE WATER RECYCLING FACILITY (LWRF), Carson, CA: NPDES CA0063401 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
93Pollutants under a numeric limit
2Pollutants with an effluent exceedance

EDWARD C. LITTLE WATER RECYCLING FACILITY (LWRF), held by West Basin Municipal Water District, holds NPDES permit CA0063401, which discharges to Pacific Ocean. EPA’s file records it issued June 14, 2018 and expiring August 31, 2023. 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	EDWARD C. LITTLE WATER RECYCLING FACILITY (LWRF)
Permittee as filed	West Basin Municipal Water District
NPDES ID	CA0063401
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Not a publicly owned treatment works
Issued	June 14, 2018
Expiration date	August 31, 2023
Address	Carson, CA 90245
Receiving water	Pacific Ocean
Receiving water impaired	303(D) Listed
Subwatershed	Lower Dominguez Channel (HUC 180701060102)
SIC	4941 – Water Supply
Other EPA IDs (FRS)	RCRA handler CAP000191411

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

94Pollutants on file
93Under a numeric limit
92With a violation of any kind
2With 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; the 60 with the most exceedances of 94 are shown.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, ammonia total [as N]	10	64	9	December 31, 2009	9% over the limit
Oil and grease	10	81	3	January 31, 2021	152% over the limit
Solids, settleable	6	45	0
Turbidity	6	39	0
Chlorine, total residual	22	31	0
Solids, total suspended	4	26	0
pH	4	25	0
Flow, in conduit or thru treatment plant	8	12	0
Temperature, water deg. fahrenheit	2	12	0
Salinity	2	12	0
Flow, total	4	6	0
Nitrogen, nitrate total [as N]	2	4	0
Nitrogen, total [as N]	2	3	0
Nitrogen, organic total [as N]	2	3	0
DDT/DDD/DDE, sum of p,p' & o,p' isomers	4	2	0
Polychlorinated biphenyls [PCBs]	4	2	0
Cyanide, total [as CN]	2	2	0
Arsenic, total recoverable	2	2	0
Selenium, total recoverable	2	2	0
Thallium, total recoverable	2	2	0
Beryllium, total recoverable [as Be]	2	2	0
Chromium, hexavalent [as Cr]	2	2	0
Chromium, trivalent [as Cr]	2	2	0
Nickel, total recoverable	2	2	0
Silver total recoverable	2	2	0
Zinc, total recoverable	2	2	0
Cadmium, total recoverable	2	2	0
Lead, total recoverable	2	2	0
Copper, total recoverable	2	2	0
Antimony, total recoverable	2	2	0
2-Methyl-4,6-dinitrophenol	2	2	0
Tributyltin	2	2	0
Polynuclear Aromatic Hydrocarbons [PAHs]	2	2	0
Dichlorobromomethane	2	2	0
Carbon tetrachloride	2	2	0
1,2-Dichloroethane	2	2	0
Dibromochloromethane	2	2	0
Chloroform	2	2	0
Toluene	2	2	0
Benzene	2	2	0
Acrolein	2	2	0
Acrylonitrile	2	2	0
Bis[2-chloroethyl] ether	2	2	0
Bis[2-chloroethoxy]methane	2	2	0
Bis[2-chloroisopropyl] ether	2	2	0
Chlorobenzene	2	2	0
Diethyl phthalate	2	2	0
Dimethyl phthalate	2	2	0
1,2-Diphenylhydrazine	2	2	0
Ethylbenzene	2	2	0
Fluoranthene	2	2	0
Hexachlorocyclopentadiene	2	2	0
Hexachlorobutadiene	2	2	0
Hexachloroethane	2	2	0
Isophorone	2	2	0
Methylene chloride	2	2	0
N-Nitrosodi-N-propylamine	2	2	0
N-Nitrosodiphenylamine	2	2	0
N-Nitrosodimethylamine [NDMA]	2	2	0
Nitrobenzene	2	2	0

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 CA0063401.

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.

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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 CA0063401 there.

Nearby on the register

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