Clean Water Act discharge permit · NPDES CA0054313
SAUGUS WRP, Santa Clarita, CA: NPDES CA0054313 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 200Pollutants under a numeric limit
- 16Pollutants with an effluent exceedance
SAUGUS WRP, held by Santa Clarita Valley Sanitation District of Los Angeles County, holds NPDES permit CA0054313, which discharges to Santa Clara River. EPA’s file records it issued April 9, 2015 and expiring April 30, 2020. 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 | SAUGUS WRP |
|---|---|
| Permittee as filed | Santa Clarita Valley Sanitation District of Los Angeles County |
| NPDES ID | CA0054313 |
| 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 9, 2015 |
| Expiration date | April 30, 2020 |
| Address | Santa Clarita, CA 91350 |
| Receiving water | Santa Clara River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sand Canyon-Santa Clara River (HUC 180701020107) |
| Program components on file | POTW, Pretreatment |
| 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
- 215Pollutants on file
- 200Under a numeric limit
- 101With a violation of any kind
- 16With 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 215 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Chloride [as Cl] | 11 | 51 | 33 | May 31, 2018 | 61% over the limit |
| Cyanide, total [as CN] | 5 | 40 | 8 | June 30, 1997 | 92% over the limit |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 8 | 8 | January 31, 2021 | |
| Radiation, gross beta | 1 | 5 | 4 | June 30, 2024 | 520% over the limit |
| Chlorine, total residual | 2 | 18 | 3 | January 31, 2009 | 99,999% over the limit |
| 1,4-Dichlorobenzene | 2 | 7 | 3 | September 30, 2000 | 26% over the limit |
| Coliform, total general | 2 | 36 | 2 | May 31, 2022 | 99,999% over the limit |
| Copper, total recoverable | 5 | 20 | 2 | June 30, 2015 | 26,073% over the limit |
| Surfactants [MBAS] | 2 | 12 | 2 | June 30, 1996 | 100% over the limit |
| Nickel, total recoverable | 5 | 4 | 2 | June 30, 2015 | 963% over the limit |
| Selenium, total recoverable | 2 | 4 | 2 | March 31, 1999 | 300% over the limit |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 2 | 2 | January 31, 2021 | 100% over the limit |
| Turbidity | 2 | 5 | 1 | May 31, 2024 | |
| Solids, suspended percent removal | 1 | 5 | 1 | June 30, 1996 | 99,999% over the limit |
| Toxaphene | 2 | 3 | 1 | June 30, 1997 | 207% over the limit |
| Trihalomethane, tot. | 3 | 1 | 1 | September 30, 2009 | 3% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 46 | 0 | ||
| Solids, total suspended | 7 | 46 | 0 | ||
| Mercury, total recoverable | 5 | 35 | 0 | ||
| Oil and grease | 4 | 20 | 0 | ||
| Acrylonitrile | 2 | 19 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 18 | 0 | ||
| pH | 4 | 16 | 0 | ||
| Solids, settleable | 2 | 15 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 15 | 0 | ||
| Lead, total recoverable | 5 | 14 | 0 | ||
| Benzo[a]anthracene | 5 | 14 | 0 | ||
| E. coli | 2 | 12 | 0 | ||
| Sulfate, total [as SO4] | 2 | 10 | 0 | ||
| Boron, total recoverable | 2 | 10 | 0 | ||
| Polychlorinated biphenyls [PCBs], sum of congeners | 2 | 10 | 0 | ||
| Fluoride, total [as F] | 1 | 9 | 0 | ||
| Solids, total dissolved | 2 | 8 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 8 | 0 | ||
| Nitrogen, nitrite total [as N] | 1 | 6 | 0 | ||
| Coliform, fecal, colony forming units | 0 | 6 | 0 | ||
| Coliform, total colony forming units | 0 | 6 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 0 | 6 | 0 | ||
| Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubia | 0 | 6 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 5 | 0 | ||
| Nitrogen, total [as N] | 1 | 5 | 0 | ||
| Nitrogen, organic total [as N] | 1 | 5 | 0 | ||
| Chromium, trivalent [as Cr] | 2 | 4 | 0 | ||
| Coliform, fecal general | 2 | 4 | 0 | ||
| Pass/Fail Static 4 Day Chronic Raphidocelis subcapitata | 2 | 4 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 2 | 4 | 0 | ||
| Iron, total recoverable | 1 | 4 | 0 | ||
| Surfactants, as CTAS, effluent | 1 | 4 | 0 | ||
| BOD, 5-day, percent removal | 1 | 4 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 0 | 4 | 0 | ||
| Dibromochloromethane | 2 | 3 | 0 | ||
| Tetrachloroethylene | 2 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Nitrogen, nitrate total [as N] | 1 | 3 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 3 | 0 | ||
| Barium, total recoverable | 1 | 3 | 0 | ||
| 2,4-Dichlorophenoxyacetic acid | 0 | 3 | 0 | ||
| 2,4,5-TP | 0 | 3 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 0 | 3 | 0 | ||
| Zinc, total recoverable | 5 | 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 CA0054313.
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 October 14, 2026.