Clean Water Act discharge permit · NPDES CA0104299
IMPERIAL VALLEY COLLEGE WWTP, Imperial, CA: NPDES CA0104299 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 152Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
IMPERIAL VALLEY COLLEGE WWTP, held by Imperial Community College District, holds NPDES permit CA0104299, which discharges to Salton Sea. EPA’s file records it issued June 18, 2009 and expiring June 17, 2014. 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 | IMPERIAL VALLEY COLLEGE WWTP |
|---|---|
| Permittee as filed | Imperial Community College District |
| NPDES ID | CA0104299 |
| 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 18, 2009 |
| Expiration date | June 17, 2014 |
| Address | Imperial, CA 92251 |
| Receiving water | SALTON SEA |
| Receiving water impaired | 303(D) Listed |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 156Pollutants on file
- 152Under a numeric limit
- 21With a violation of any kind
- 0With 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 156 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 6 | 16 | 0 | ||
| Solids, total suspended | 6 | 16 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| E. coli | 2 | 4 | 0 | ||
| Oil and grease | 1 | 4 | 0 | ||
| Cyanide, free available | 0 | 4 | 0 | ||
| Solids, total dissolved | 2 | 2 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| BOD, 5-day, percent removal | 1 | 2 | 0 | ||
| Solids, suspended percent removal | 1 | 2 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 0 | 2 | 0 | ||
| Coliform, fecal general | 0 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 1 | 0 | ||
| Nitrogen, nitrite total [as N] | 1 | 1 | 0 | ||
| Nitrogen, nitrate total [as N] | 1 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 1 | 0 | ||
| Phosphate, ortho [as P] | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 1 | 0 | ||
| Selenium, total recoverable | 4 | 0 | 0 | ||
| Chlorine, total residual | 4 | 0 | 0 | ||
| 96Hr Acute Ceriodaphn. Dubia % Srv | 2 | 0 | 0 | ||
| % Survival Static Renewal 96Hr Acute Pimephales promelas | 2 | 0 | 0 | ||
| Toxic Units Static Renewal 96Hr Acute Ceriodaphnia dubia | 2 | 0 | 0 | ||
| TU Static Renewal 96Hr Acute Pimphales promelas | 2 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Asbestos | 1 | 0 | 0 | ||
| Arsenic, 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 | ||
| Dichlorobromomethane | 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 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES CA0104299.
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 CA0104299.
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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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID CA0104299 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.