Clean Water Act discharge permit · NPDES CA0037810
ELLIS CREEK WRF, Petaluma, CA: NPDES CA0037810 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 42Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
ELLIS CREEK WRF, held by Petaluma, City of, holds NPDES permit CA0037810, which discharges to Petaluma River. EPA’s file records it issued April 13, 2016 and expiring May 31, 2021. 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 | ELLIS CREEK WRF |
|---|---|
| Permittee as filed | Petaluma, City of |
| NPDES ID | CA0037810 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 13, 2016 |
| Expiration date | May 31, 2021 |
| Address | Petaluma, CA 94954 |
| Receiving water | Petaluma River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | San Pablo Bay Estuaries (HUC 180500020801) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 173Pollutants on file
- 42Under a numeric limit
- 167With a violation of any kind
- 9With 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 173 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 4 | 58 | 32 | February 28, 2011 | 238% over the limit |
| % Survival Flow Through 96Hr Acute Pimephales promelas | 0 | 21 | 4 | December 31, 2008 | 33% over the limit |
| Chlorine, total residual | 1 | 12 | 3 | April 30, 2017 | 2,147,483,650% over the limit |
| Cyanide, total [as CN] | 3 | 26 | 2 | March 31, 2012 | 64% over the limit |
| Solids, suspended percent removal | 1 | 10 | 2 | April 30, 2007 | 20% over the limit |
| Solids, total suspended | 4 | 77 | 1 | April 30, 2007 | 13% over the limit |
| Copper, total recoverable | 2 | 22 | 1 | March 31, 2012 | 8% over the limit |
| pH | 2 | 19 | 1 | March 31, 2008 | |
| Coliform, total general | 0 | 17 | 1 | April 30, 2006 | 25% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 76 | 0 | ||
| Selenium, total recoverable | 0 | 30 | 0 | ||
| Mercury, total recoverable | 3 | 28 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 27 | 0 | ||
| Oil and grease | 2 | 20 | 0 | ||
| Sulfide, total [as S] | 0 | 20 | 0 | ||
| Sulfide, dissolved, [as S] | 0 | 20 | 0 | ||
| Nickel, total recoverable | 0 | 20 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 18 | 0 | ||
| Oxygen, dissolved percent saturation | 0 | 18 | 0 | ||
| Turbidity | 0 | 10 | 0 | ||
| Temperature, water deg. centigrade | 1 | 9 | 0 | ||
| BOD, 5-day, percent removal | 1 | 9 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 0 | 8 | 0 | ||
| Methylmercury | 0 | 4 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 2 | 3 | 0 | ||
| TCDD equivalents | 2 | 3 | 0 | ||
| Nitrite + Nitrate total [as N] | 6 | 2 | 0 | ||
| % Survival Static Renewal 96Hr Acute Pimephales promelas | 2 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 2 | 0 | ||
| 2,3,7,8-Tetrachlorodibenzo-p-dioxin | 1 | 2 | 0 | ||
| Enterococci | 1 | 2 | 0 | ||
| Arsenic, total recoverable | 0 | 2 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 2 | 0 | ||
| Silver total recoverable | 0 | 2 | 0 | ||
| Zinc, total recoverable | 0 | 2 | 0 | ||
| Cadmium, total recoverable | 0 | 2 | 0 | ||
| Lead, total recoverable | 0 | 2 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 0 | 2 | 0 | ||
| Dichlorobromomethane | 0 | 2 | 0 | ||
| Carbon tetrachloride | 0 | 2 | 0 | ||
| 1,2-Dichloroethane | 0 | 2 | 0 | ||
| Bromoform | 0 | 2 | 0 | ||
| Dibromochloromethane | 0 | 2 | 0 | ||
| Chloroform | 0 | 2 | 0 | ||
| Toluene | 0 | 2 | 0 | ||
| Benzene | 0 | 2 | 0 | ||
| Acenaphthylene | 0 | 2 | 0 | ||
| Acenaphthene | 0 | 2 | 0 | ||
| Acrolein | 0 | 2 | 0 | ||
| Acrylonitrile | 0 | 2 | 0 | ||
| Anthracene | 0 | 2 | 0 | ||
| Benzo[b]fluoranthene | 0 | 2 | 0 | ||
| Benzo[k]fluoranthene | 0 | 2 | 0 | ||
| Benzo[a]pyrene | 0 | 2 | 0 | ||
| Bis[2-chloroethyl] ether | 0 | 2 | 0 | ||
| Bis[2-chloroethoxy]methane | 0 | 2 | 0 | ||
| Bis[2-chloroisopropyl] ether | 0 | 2 | 0 | ||
| Butyl benzyl phthalate | 0 | 2 | 0 | ||
| Chlorobenzene | 0 | 2 | 0 | ||
| Chrysene | 0 | 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 CA0037810.
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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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.