Clean Water Act discharge permit · NPDES CA0024058
RUSSIAN RIVER WWTF, Guerneville, CA: NPDES CA0024058 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 147Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
RUSSIAN RIVER WWTF, held by RUSSIAN RIVER CSD AND SONOMA COUNTY WATER AGENCY, holds NPDES permit CA0024058, which discharges to Russian River. EPA’s file records it issued January 29, 2009 and expiring March 20, 2014. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | RUSSIAN RIVER WWTF |
|---|---|
| Permittee as filed | RUSSIAN RIVER CSD AND SONOMA COUNTY WATER AGENCY |
| NPDES ID | CA0024058 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 29, 2009 |
| Expiration date | March 20, 2014 |
| Address | Guerneville, CA 95446 |
| Receiving water | RUSSIAN RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Dutch Bill Creek-Russian River (HUC 180101100903) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 179Pollutants on file
- 147Under a numeric limit
- 166With a violation of any kind
- 8With 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 179 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 6 | 22 | 22 | February 28, 2025 | 78% over the limit |
| %Surv Static Renewal 96Hr Acute Ceriodaphnia dubia | 2 | 5 | 5 | May 31, 2025 | 11% over the limit |
| %Surv Static 96Hr Acute Oncorhynchus Mykiss | 2 | 3 | 3 | May 31, 2021 | 11% over the limit |
| Solids, total suspended | 12 | 38 | 2 | February 28, 2017 | 52% over the limit |
| Coliform, total general | 2 | 14 | 2 | September 30, 2025 | 30% over the limit |
| 96Hr Acute Ceriodaphn. Dubia % Srv | 0 | 2 | 2 | May 31, 2019 | 11% over the limit |
| %Surv Static Renewal 96Hr Oncorhynchus mykiss | 0 | 2 | 2 | May 31, 2019 | 11% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 9 | 1 | April 30, 2024 | 4% over the limit |
| BOD, 5-day, 20 deg. C | 12 | 42 | 0 | ||
| Aluminum, total recoverable | 0 | 20 | 0 | ||
| Ammonia, unionized | 0 | 7 | 0 | ||
| Radioactivity | 0 | 3 | 0 | ||
| Nitrogen, organic total [as N] | 0 | 2 | 0 | ||
| Copper, total recoverable | 4 | 1 | 0 | ||
| Dichlorobromomethane | 4 | 1 | 0 | ||
| Nitrogen, nitrate total [as N] | 3 | 1 | 0 | ||
| Cyanide, total [as CN] | 1 | 1 | 0 | ||
| Arsenic, total recoverable | 1 | 1 | 0 | ||
| Selenium, total recoverable | 1 | 1 | 0 | ||
| Thallium, total recoverable | 1 | 1 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 1 | 0 | ||
| Chromium, trivalent [as Cr] | 1 | 1 | 0 | ||
| Nickel, total recoverable | 1 | 1 | 0 | ||
| Silver total recoverable | 1 | 1 | 0 | ||
| Zinc, total recoverable | 1 | 1 | 0 | ||
| Cadmium, total recoverable | 1 | 1 | 0 | ||
| Lead, total recoverable | 1 | 1 | 0 | ||
| Antimony, total recoverable | 1 | 1 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 1 | 0 | ||
| Carbon tetrachloride | 1 | 1 | 0 | ||
| 1,2-Dichloroethane | 1 | 1 | 0 | ||
| Bromoform | 1 | 1 | 0 | ||
| Dibromochloromethane | 1 | 1 | 0 | ||
| Chloroform | 1 | 1 | 0 | ||
| Toluene | 1 | 1 | 0 | ||
| Benzene | 1 | 1 | 0 | ||
| .delta.-BHC | 1 | 1 | 0 | ||
| Acenaphthylene | 1 | 1 | 0 | ||
| Acenaphthene | 1 | 1 | 0 | ||
| Acrolein | 1 | 1 | 0 | ||
| Acrylonitrile | 1 | 1 | 0 | ||
| Anthracene | 1 | 1 | 0 | ||
| Benzo[b]fluoranthene | 1 | 1 | 0 | ||
| Benzo[k]fluoranthene | 1 | 1 | 0 | ||
| Benzo[a]pyrene | 1 | 1 | 0 | ||
| Bis[2-chloroethyl] ether | 1 | 1 | 0 | ||
| Bis[2-chloroethoxy]methane | 1 | 1 | 0 | ||
| Bis[2-chloroisopropyl] ether | 1 | 1 | 0 | ||
| Butyl benzyl phthalate | 1 | 1 | 0 | ||
| Chlorobenzene | 1 | 1 | 0 | ||
| Chrysene | 1 | 1 | 0 | ||
| Diethyl phthalate | 1 | 1 | 0 | ||
| Dimethyl phthalate | 1 | 1 | 0 | ||
| 1,2-Diphenylhydrazine | 1 | 1 | 0 | ||
| Endosulfan sulfate | 1 | 1 | 0 | ||
| .beta.-Endosulfan | 1 | 1 | 0 | ||
| .alpha.-Endosulfan | 1 | 1 | 0 | ||
| Endrin aldehyde | 1 | 1 | 0 | ||
| Ethylbenzene | 1 | 1 | 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 CA0024058.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.