Clean Water Act discharge permit · NPDES CA0050008
SANTA YNEZ BAND/CHUMASH WWTP, Santa Ynez, CA: NPDES CA0050008 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 148Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
SANTA YNEZ BAND/CHUMASH WWTP, held by SANTA YNEZ BAND OF CHUMASH IND, holds NPDES permit CA0050008, which discharges to Zanja De Cota Creek. EPA’s file records it issued June 25, 2014 and expiring July 31, 2019. 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 | SANTA YNEZ BAND/CHUMASH WWTP |
|---|---|
| Permittee as filed | SANTA YNEZ BAND OF CHUMASH IND |
| NPDES ID | CA0050008 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 25, 2014 |
| Expiration date | July 31, 2019 |
| Address | Santa Ynez, CA 93460 |
| Receiving water | ZANJA DE COTA CREEK |
| SIC | 4952 – 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
- 151Pollutants on file
- 148Under a numeric limit
- 23With a violation of any kind
- 13With 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 151 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total dissolved | 4 | 62 | 60 | December 31, 2024 | 109% over the limit |
| Dichlorobromomethane | 1 | 18 | 18 | December 31, 2024 | 10,436% over the limit |
| Sodium, total [as Na] | 6 | 22 | 17 | December 31, 2024 | 627% over the limit |
| pH | 4 | 24 | 8 | September 30, 2022 | |
| Coliform, fecal general | 0 | 8 | 8 | May 31, 2013 | 99,999% over the limit |
| Nitrogen, nitrate total [as N] | 4 | 9 | 7 | December 31, 2022 | 112% over the limit |
| Nitrogen, total [as N] | 0 | 7 | 7 | June 30, 2012 | 180% over the limit |
| Solids, total suspended | 10 | 11 | 6 | June 30, 2009 | 100% over the limit |
| Chlorine, total residual | 4 | 10 | 6 | April 30, 2022 | 36% over the limit |
| Coliform, total general | 2 | 6 | 5 | February 28, 2023 | 255% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 7 | 3 | August 31, 2010 | 375% over the limit |
| BOD, 5-day, 20 deg. C | 10 | 6 | 1 | November 30, 2023 | 37% over the limit |
| Turbidity | 4 | 5 | 1 | November 30, 2012 | |
| Solids, settleable | 4 | 7 | 0 | ||
| Phosphorus, Total | 2 | 4 | 0 | ||
| Temperature, water deg. centigrade | 4 | 2 | 0 | ||
| Oil and grease | 4 | 2 | 0 | ||
| Phosphate, total, color method [as P] | 0 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 1 | 0 | ||
| Ammonia, unionized | 2 | 1 | 0 | ||
| BOD, 5-day, percent removal | 2 | 1 | 0 | ||
| Solids, suspended percent removal | 2 | 1 | 0 | ||
| 2,3,7,8-Tetrachlorodibenzo-p-dioxin | 1 | 1 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 0 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 4 | 0 | 0 | ||
| Pass/Fail Static 96Hr Chronic Selen. Capricornutum | 4 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Asbestos | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Selenium, total recoverable | 1 | 0 | 0 | ||
| Thallium, total recoverable | 1 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 0 | 0 | ||
| Chromium, trivalent [as Cr] | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Silver total recoverable | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Antimony, total recoverable | 1 | 0 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 0 | 0 | ||
| Carbon tetrachloride | 1 | 0 | 0 | ||
| 1,2-Dichloroethane | 1 | 0 | 0 | ||
| Bromoform | 1 | 0 | 0 | ||
| Dibromochloromethane | 1 | 0 | 0 | ||
| Chloroform | 1 | 0 | 0 | ||
| Toluene | 1 | 0 | 0 | ||
| Benzene | 1 | 0 | 0 | ||
| .delta.-BHC | 1 | 0 | 0 | ||
| Acenaphthylene | 1 | 0 | 0 | ||
| Acenaphthene | 1 | 0 | 0 | ||
| Acrolein | 1 | 0 | 0 | ||
| Acrylonitrile | 1 | 0 | 0 | ||
| Anthracene | 1 | 0 | 0 | ||
| Benzo[b]fluoranthene | 1 | 0 | 0 | ||
| Benzo[k]fluoranthene | 1 | 0 | 0 | ||
| Benzo[a]pyrene | 1 | 0 | 0 | ||
| Bis[2-chloroethyl] ether | 1 | 0 | 0 | ||
| Bis[2-chloroethoxy]methane | 1 | 0 | 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 CA0050008.
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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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.