Clean Water Act discharge permit · NPDES AZ0023281
CITY OF AVONDALE - WRF, Avondale, AZ: NPDES AZ0023281 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 179Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
CITY OF AVONDALE - WRF, held by City Of Avondale, holds NPDES permit AZ0023281. EPA’s file records it issued December 27, 2018 and expiring December 26, 2023. 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 | CITY OF AVONDALE - WRF |
|---|---|
| Permittee as filed | City Of Avondale |
| NPDES ID | AZ0023281 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 27, 2018 |
| Expiration date | December 26, 2023 |
| Address | Avondale, AZ 85323 |
| Subwatershed | City of Glendale-Agua Fria River (HUC 150701020909) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 184Pollutants on file
- 179Under a numeric limit
- 163With a violation of any kind
- 10With 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 184 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | 3 | 23 | 21 | November 30, 2012 | 929% over the limit |
| Cyanide, total [as CN] | 5 | 13 | 8 | August 31, 2017 | 88% over the limit |
| Mercury, total recoverable | 1 | 9 | 4 | November 30, 2004 | 2,074% over the limit |
| Chlorine, total residual | 5 | 8 | 3 | February 28, 2010 | 925% over the limit |
| Selenium, total recoverable | 5 | 6 | 3 | November 30, 2012 | 25% over the limit |
| Sulfide, total [as S] | 3 | 7 | 2 | November 30, 2004 | 101% over the limit |
| Solids, suspended percent removal | 1 | 3 | 2 | December 31, 2012 | 67% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 9 | 1 | September 30, 2012 | 9% over the limit |
| pH | 4 | 3 | 1 | October 31, 2006 | |
| BOD, 5-day, percent removal | 1 | 2 | 1 | January 31, 2008 | 20% over the limit |
| Solids, total suspended | 3 | 8 | 0 | ||
| Silver total recoverable | 1 | 5 | 0 | ||
| Lead, total recoverable | 1 | 5 | 0 | ||
| Copper, total recoverable | 1 | 5 | 0 | ||
| 2,4-Dinitrophenol | 1 | 5 | 0 | ||
| Pentachlorophenol | 1 | 5 | 0 | ||
| Endrin | 1 | 5 | 0 | ||
| .gamma.-BHC | 0 | 5 | 0 | ||
| Temperature, water deg. centigrade | 3 | 3 | 0 | ||
| Carbon tetrachloride | 1 | 3 | 0 | ||
| Acrolein | 1 | 3 | 0 | ||
| Endosulfan sulfate | 1 | 3 | 0 | ||
| Endrin aldehyde | 1 | 3 | 0 | ||
| Hexachlorocyclopentadiene | 1 | 3 | 0 | ||
| Hexachlorobutadiene | 1 | 3 | 0 | ||
| Phenanthrene | 1 | 3 | 0 | ||
| 2,4,6-Trichlorophenol | 1 | 3 | 0 | ||
| 4-Bromophenyl phenyl ether | 1 | 3 | 0 | ||
| Vinyl chloride | 1 | 3 | 0 | ||
| Endosulfan, total | 1 | 3 | 0 | ||
| Toxaphene | 1 | 3 | 0 | ||
| 4-Chloro-3-methylphenol | 1 | 3 | 0 | ||
| Nitrogen, ammonia total [as N] | 3 | 2 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 3 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 3 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 2 | 0 | ||
| Acrylonitrile | 1 | 2 | 0 | ||
| Benzo[b]fluoranthene | 1 | 2 | 0 | ||
| Benzo[a]pyrene | 1 | 2 | 0 | ||
| Bis[2-chloroethyl] ether | 1 | 2 | 0 | ||
| Chrysene | 1 | 2 | 0 | ||
| 1,2-Diphenylhydrazine | 1 | 2 | 0 | ||
| Hexachloroethane | 1 | 2 | 0 | ||
| Indeno[1,2,3-cd]pyrene | 1 | 2 | 0 | ||
| N-Nitrosodi-N-propylamine | 1 | 2 | 0 | ||
| N-Nitrosodiphenylamine | 1 | 2 | 0 | ||
| N-Nitrosodimethylamine [NDMA] | 1 | 2 | 0 | ||
| Benzo[a]anthracene | 1 | 2 | 0 | ||
| Dibenz[a,h]anthracene | 1 | 2 | 0 | ||
| 2,6-Dinitrotoluene | 1 | 2 | 0 | ||
| 3,3'-Dichlorobenzidine | 1 | 2 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 1 | 2 | 0 | ||
| Benzidine | 1 | 2 | 0 | ||
| 4,4'-DDT | 1 | 2 | 0 | ||
| 4,4'-DDD | 1 | 2 | 0 | ||
| 4,4'-DDE | 1 | 2 | 0 | ||
| Aldrin | 1 | 2 | 0 | ||
| .alpha.-BHC | 1 | 2 | 0 | ||
| .beta.-BHC | 1 | 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 AZ0023281.
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 15, 2026.