Clean Water Act discharge permit · NPDES AZ0023272
CITY OF EL MIRAGE - WWTP, El Mirage, AZ: NPDES AZ0023272 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 174Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
CITY OF EL MIRAGE - WWTP, held by City Of El Mirage, holds NPDES permit AZ0023272. EPA’s file records it issued October 12, 2017 and expiring October 11, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CITY OF EL MIRAGE - WWTP |
|---|---|
| Permittee as filed | City Of El Mirage |
| NPDES ID | AZ0023272 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 12, 2017 |
| Expiration date | October 11, 2022 |
| Address | El Mirage, AZ 85335 |
| Subwatershed | City of Surprise-Agua Fria River (HUC 150701020906) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 176Pollutants on file
- 174Under a numeric limit
- 29With a violation of any kind
- 2With 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 176 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Cyanide, total [as CN] | 1 | 4 | 2 | July 31, 2007 | 115% over the limit |
| Selenium, total recoverable | 5 | 3 | 1 | August 31, 2007 | 33% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 6 | 0 | ||
| Solids, total suspended | 7 | 6 | 0 | ||
| Chlorine, total residual | 5 | 4 | 0 | ||
| Copper, total recoverable | 5 | 2 | 0 | ||
| Mercury, total recoverable | 5 | 2 | 0 | ||
| pH | 4 | 2 | 0 | ||
| Temperature, water deg. centigrade | 3 | 2 | 0 | ||
| E. coli, colony forming units [CFU] | 3 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 2 | 0 | ||
| Arsenic, total recoverable | 1 | 2 | 0 | ||
| Thallium, total recoverable | 1 | 2 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 2 | 0 | ||
| Nickel, total recoverable | 1 | 2 | 0 | ||
| Silver total recoverable | 1 | 2 | 0 | ||
| Zinc, total recoverable | 1 | 2 | 0 | ||
| Cadmium, total recoverable | 1 | 2 | 0 | ||
| Lead, total recoverable | 1 | 2 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 1 | 2 | 0 | ||
| Antimony, total recoverable | 1 | 2 | 0 | ||
| Chromium, total recoverable | 0 | 2 | 0 | ||
| Nitrogen, ammonia, total [as NH3] | 0 | 2 | 0 | ||
| Hardness, total [as CaCO3] | 3 | 1 | 0 | ||
| BOD, 5-day, percent removal | 1 | 1 | 0 | ||
| Solids, suspended percent removal | 1 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 3 | 0 | 0 | ||
| Sulfide, total [as S] | 3 | 0 | 0 | ||
| Hydrogen sulfide | 3 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Iron, total recoverable | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Fluoride, total [as F] | 1 | 0 | 0 | ||
| Boron, total recoverable | 1 | 0 | 0 | ||
| Barium, total recoverable | 1 | 0 | 0 | ||
| Chromium, total [as Cr] | 1 | 0 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 0 | 0 | ||
| Tributyltin | 1 | 0 | 0 | ||
| Diquat | 1 | 0 | 0 | ||
| Manganese, total recoverable | 1 | 0 | 0 | ||
| Uranium, total as U3O8 | 1 | 0 | 0 | ||
| Dinoseb | 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 |
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 AZ0023272.
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 September 14, 2026.