Clean Water Act discharge permit · NPDES CA0110604
ORANGE COUNTY SD, RP #1 & TP #2, Fountain Valley, CA: NPDES CA0110604 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 126Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
ORANGE COUNTY SD, RP #1 & TP #2, held by Orange County Sanitation District, holds NPDES permit CA0110604, which discharges to Pacific Ocean, Santa Ana River. EPA’s file records it issued June 18, 2012 and expiring July 19, 2017. 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 | ORANGE COUNTY SD, RP #1 & TP #2 |
|---|---|
| Permittee as filed | Orange County Sanitation District |
| NPDES ID | CA0110604 |
| 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 | June 18, 2012 |
| Expiration date | July 19, 2017 |
| Address | Fountain Valley, CA 92708 |
| Receiving water | Pacific Ocean, Santa Ana River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Greenville Banning Channel-Santa Ana River (HUC 180702031003) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler CAD073568180; ICIS-AIR source CASCA0000605900020 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 131Pollutants on file
- 126Under a numeric limit
- 65With a violation of any kind
- 11With 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 131 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| TCDD equivalents | 4 | 10 | 6 | March 31, 2016 | 1,082% over the limit |
| Chlorine, total residual | 10 | 8 | 6 | October 31, 2012 | 1,549% over the limit |
| Solids, settleable | 6 | 4 | 4 | November 30, 2009 | 300% over the limit |
| TU LC50 Static Renewal 96Hr Acute Pimephales promelas | 0 | 3 | 3 | November 30, 1999 | 39% over the limit |
| Polynuclear Aromatic Hydrocarbons [PAHs] | 4 | 4 | 2 | February 28, 1999 | 158% over the limit |
| TU Static 48Hr Chronic Haliotis rufescens | 1 | 2 | 2 | September 30, 1999 | 73% over the limit |
| TU Static 1Hr Chronic Strongyl. purpuratus | 0 | 2 | 1 | November 30, 2006 | 73% over the limit |
| Turbidity | 6 | 1 | 1 | August 31, 1999 | |
| Coliform, fecal general | 3 | 1 | 1 | October 31, 2012 | 2,062% over the limit |
| Coliform, total general | 3 | 1 | 1 | October 31, 2012 | 332% over the limit |
| Static 96Hr Acute Holmesimysis costata | 0 | 1 | 1 | August 31, 2002 | 34% over the limit |
| Oil and grease | 12 | 7 | 0 | ||
| Halomethanes | 4 | 7 | 0 | ||
| Solids, total suspended | 16 | 6 | 0 | ||
| Nitrogen, organic total [as N] | 4 | 6 | 0 | ||
| Dichlorobenzene | 4 | 6 | 0 | ||
| Phosphorus, total [as P] | 4 | 5 | 0 | ||
| Nitrogen, nitrite total [as N] | 4 | 3 | 0 | ||
| Nitrogen, nitrate total [as N] | 4 | 3 | 0 | ||
| Nitrogen, ammonia total [as N] | 8 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 2 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 5 | 2 | 0 | ||
| Dichlorobromomethane | 4 | 2 | 0 | ||
| Carbon tetrachloride | 4 | 2 | 0 | ||
| 1,2-Dichloroethane | 4 | 2 | 0 | ||
| Dibromochloromethane | 4 | 2 | 0 | ||
| Chloroform | 4 | 2 | 0 | ||
| Toluene | 4 | 2 | 0 | ||
| Benzene | 4 | 2 | 0 | ||
| Acrolein | 4 | 2 | 0 | ||
| Acrylonitrile | 4 | 2 | 0 | ||
| Chlorobenzene | 4 | 2 | 0 | ||
| Ethylbenzene | 4 | 2 | 0 | ||
| Methylene chloride | 4 | 2 | 0 | ||
| Tetrachloroethylene | 4 | 2 | 0 | ||
| 1,1-Dichloroethylene | 4 | 2 | 0 | ||
| 1,1,1-Trichloroethane | 4 | 2 | 0 | ||
| 1,1,2-Trichloroethane | 4 | 2 | 0 | ||
| 1,1,2,2-Tetrachloroethane | 4 | 2 | 0 | ||
| Vinyl chloride | 4 | 2 | 0 | ||
| Trichloroethylene | 4 | 2 | 0 | ||
| 1,3-Dichloropropene | 4 | 2 | 0 | ||
| pH | 8 | 1 | 0 | ||
| Toxaphene | 5 | 1 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 4 | 1 | 0 | ||
| Bis[2-chloroethyl] ether | 4 | 1 | 0 | ||
| Bis[2-chloroethoxy]methane | 4 | 1 | 0 | ||
| Bis[2-chloroisopropyl] ether | 4 | 1 | 0 | ||
| Diethyl phthalate | 4 | 1 | 0 | ||
| Aldrin | 4 | 1 | 0 | ||
| Chlordane [tech mix. and metabolites] | 4 | 1 | 0 | ||
| DDT/DDD/DDE, sum of p,p' & o,p' isomers | 4 | 1 | 0 | ||
| Dieldrin | 4 | 1 | 0 | ||
| Endosulfan, total | 4 | 1 | 0 | ||
| Endrin | 4 | 1 | 0 | ||
| Heptachlor | 4 | 1 | 0 | ||
| Heptachlor epoxide | 4 | 1 | 0 | ||
| Hexachlorocyclohexane, total | 4 | 1 | 0 | ||
| Phenolic compounds, unchlorinated | 4 | 1 | 0 | ||
| Solids, suspended percent removal | 2 | 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 CA0110604.
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.