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Clean Water Act discharge permit · NPDES CA8000316

WESTERN RIVERSIDE COUNTY RWWTP, Eastvale, CA: NPDES CA8000316 discharge permit, effluent exceedances, inspections, penalties

WESTERN RIVERSIDE COUNTY RWWTP, held by WESTERN RIVERSIDE CO RWA, holds NPDES permit CA8000316, which discharges to Santa Ana River, R3. EPA’s file records it issued July 18, 2008 and expiring July 1, 2013. 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 filedWESTERN RIVERSIDE COUNTY RWWTP
Permittee as filedWESTERN RIVERSIDE CO RWA
NPDES IDCA8000316
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJuly 18, 2008
Expiration dateJuly 1, 2013
AddressEastvale, CA 92880
Receiving waterSANTA ANA RIVER, R3
Receiving water impaired303(D) Listed
SubwatershedEast Etiwanda Creek-Santa Ana River (HUC 180702030804)
Program components on filePOTW, Pretreatment
SIC4952 – Sewerage Systems

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

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 175 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Coliform, total general35951January 31, 20232,173% over the limit
pH62810October 31, 2022
BOD, 5-day, 20 deg. C6352January 31, 201799,999% over the limit
Nitrogen, inorganic total392June 30, 2021257% over the limit
Nitrogen, ammonia total [as N]282January 31, 201740% over the limit
Di[2-ethylhexyl] phthalate [DEHP]7241July 31, 201086% over the limit
Solids, total suspended6221December 31, 2020230% over the limit
Selenium, total recoverable3201October 31, 200448% over the limit
Turbidity, time above limit081February 28, 2017448% over the limit
BOD, 5-day, percent removal271September 30, 202299,999% over the limit
Turbidity261December 31, 2013
Chromium, hexavalent [as Cr]4270
Flow, in conduit or thru treatment plant6220
Mercury, total recoverable4220
Cadmium, total recoverable3210
Silver total recoverable3200
Lead, total recoverable3200
Cyanide, free available0200
Arsenic, total recoverable3190
Nickel, total recoverable3190
Zinc, total recoverable3190
Copper, total recoverable3190
Chromium, total recoverable2180
Cyanide, total [as CN]7170
Fluoride, total [as F]2170
Boron, total recoverable2170
Sodium, total recoverable2160
Chloride [as Cl]2160
Sulfate, total [as SO4]2160
Carbon, tot organic [TOC]4130
Antimony, total recoverable3130
Hardness, total [as CaCO3]2110
Specific conductance4100
Carbonate ion- [as CO3]1100
Bicarbonate ion- [as HCO3]190
Cobalt, total recoverable190
Aluminum, total recoverable190
.delta.-BHC380
Endosulfan sulfate380
.beta.-Endosulfan380
.alpha.-Endosulfan380
Endrin aldehyde380
PCB-1016380
2,3,7,8-Tetrachlorodibenzo-p-dioxin380
4,4'-DDT380
4,4'-DDD380
4,4'-DDE380
Aldrin380
.alpha.-BHC380
.beta.-BHC380
.gamma.-BHC380
Chlordane [tech mix. and metabolites]380
Dieldrin380
Endrin380
Toxaphene380
Heptachlor380
Heptachlor epoxide380
PCB-1221380
PCB-1232380
PCB-1242380

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 CA8000316.

Inspections

EPA’s inspection file holds no inspection for NPDES CA8000316.

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 CA8000316.

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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Nearby on the register

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

What this page shows

This public-records page covers the Clean Water Act discharge permit NPDES CA8000316 for WESTERN RIVERSIDE COUNTY RWWTP in Eastvale, CA, held by WESTERN RIVERSIDE CO RWA, a major discharger classed as a publicly owned treatment works with a Pretreatment component, discharging to the SANTA ANA RIVER, R3 and listed in the East Etiwanda Creek-Santa Ana River subwatershed (HUC 180702030804). The page lists 11 pollutants under a numeric limit and 156 with an effluent exceedance, and the permit's status is shown as administratively continued, with issuance on July 18, 2008 and expiration on July 1