Clean Water Act discharge permit · NPDES CA0105236
COLTON WRF, Colton, CA: NPDES CA0105236 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 139Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
COLTON WRF, held by COLTON, CITY OF, holds NPDES permit CA0105236, which discharges to Santa Ana River. EPA’s file records it issued September 30, 2005 and expiring September 1, 2010. 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 | COLTON WRF |
|---|---|
| Permittee as filed | COLTON, CITY OF |
| NPDES ID | CA0105236 |
| 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 | September 30, 2005 |
| Expiration date | September 1, 2010 |
| Address | Colton, CA 92324 |
| Receiving water | SANTA ANA RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | East Etiwanda Creek-Santa Ana River (HUC 180702030804) |
| 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
- 145Pollutants on file
- 139Under a numeric limit
- 142With a violation of any kind
- 1With 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 145 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Coliform, total general | 1 | 1 | 1 | April 30, 2006 | 48% over the limit |
| pH | 4 | 9 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 8 | 0 | ||
| Solids, total suspended | 4 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 8 | 0 | ||
| Chemical Oxygen Demand [COD] | 2 | 8 | 0 | ||
| Specific conductance | 2 | 6 | 0 | ||
| Nitrogen, nitrate total [as N] | 1 | 6 | 0 | ||
| Solids, total dissolved | 1 | 6 | 0 | ||
| Acrolein | 2 | 5 | 0 | ||
| Acrylonitrile | 2 | 5 | 0 | ||
| Nitrogen, inorganic total | 1 | 5 | 0 | ||
| Toluene | 2 | 4 | 0 | ||
| Benzene | 2 | 4 | 0 | ||
| 2-Chloroethyl vinyl ether, [mixed] | 2 | 4 | 0 | ||
| Sodium, total recoverable | 0 | 4 | 0 | ||
| Chloride [as Cl] | 0 | 4 | 0 | ||
| Sulfate, total [as SO4] | 0 | 4 | 0 | ||
| Fluoride, total [as F] | 0 | 4 | 0 | ||
| Boron, total recoverable | 0 | 4 | 0 | ||
| Cyanide, total [as CN] | 3 | 3 | 0 | ||
| Arsenic, total recoverable | 2 | 3 | 0 | ||
| Selenium, total recoverable | 2 | 3 | 0 | ||
| Thallium, total recoverable | 2 | 3 | 0 | ||
| Beryllium, total recoverable [as Be] | 2 | 3 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 3 | 0 | ||
| Chromium, trivalent [as Cr] | 2 | 3 | 0 | ||
| Nickel, total recoverable | 2 | 3 | 0 | ||
| Silver total recoverable | 2 | 3 | 0 | ||
| Zinc, total recoverable | 2 | 3 | 0 | ||
| Cadmium, total recoverable | 2 | 3 | 0 | ||
| Lead, total recoverable | 2 | 3 | 0 | ||
| Copper, total recoverable | 2 | 3 | 0 | ||
| Antimony, total recoverable | 2 | 3 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 2 | 3 | 0 | ||
| Dichlorobromomethane | 2 | 3 | 0 | ||
| Carbon tetrachloride | 2 | 3 | 0 | ||
| 1,2-Dichloroethane | 2 | 3 | 0 | ||
| Bromoform | 2 | 3 | 0 | ||
| Dibromochloromethane | 2 | 3 | 0 | ||
| Chloroform | 2 | 3 | 0 | ||
| .delta.-BHC | 2 | 3 | 0 | ||
| Acenaphthylene | 2 | 3 | 0 | ||
| Acenaphthene | 2 | 3 | 0 | ||
| Anthracene | 2 | 3 | 0 | ||
| Benzo[b]fluoranthene | 2 | 3 | 0 | ||
| Benzo[k]fluoranthene | 2 | 3 | 0 | ||
| Benzo[a]pyrene | 2 | 3 | 0 | ||
| Bis[2-chloroethyl] ether | 2 | 3 | 0 | ||
| Bis[2-chloroethoxy]methane | 2 | 3 | 0 | ||
| Bis[2-chloroisopropyl] ether | 2 | 3 | 0 | ||
| Butyl benzyl phthalate | 2 | 3 | 0 | ||
| Chlorobenzene | 2 | 3 | 0 | ||
| Chrysene | 2 | 3 | 0 | ||
| Diethyl phthalate | 2 | 3 | 0 | ||
| Dimethyl phthalate | 2 | 3 | 0 | ||
| 1,2-Diphenylhydrazine | 2 | 3 | 0 | ||
| Endosulfan sulfate | 2 | 3 | 0 | ||
| .beta.-Endosulfan | 2 | 3 | 0 | ||
| .alpha.-Endosulfan | 2 | 3 | 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 CA0105236.
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.