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Clean Water Act discharge permit · NPDES AZ0023485

ASP - EYMAN PRISON COMPLEX, Florence, AZ: NPDES AZ0023485 discharge permit, effluent exceedances, inspections, penalties

ASP - EYMAN PRISON COMPLEX, held by Arizona State Prisons - Eyman, holds NPDES permit AZ0023485. EPA’s file records it issued September 23, 2019 and expiring September 22, 2024. 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 filedASP - EYMAN PRISON COMPLEX
Permittee as filedArizona State Prisons - Eyman
NPDES IDAZ0023485
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 23, 2019
Expiration dateSeptember 22, 2024
AddressFlorence, AZ 85132
SubwatershedTown of Florence-Gila River (HUC 150501000707)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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 126 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
E. coli, colony forming units [CFU]34227November 30, 201612,598% over the limit
Nitrogen, ammonia total [as N]33823February 28, 201716,500% over the limit
BOD, 5-day, 20 deg. C75617November 30, 2016264,881% over the limit
Chlorine, total residual53710July 31, 201118,007% over the limit
pH4224February 28, 2017
Solids, total suspended7423March 31, 201767% over the limit
BOD, 5-day, percent removal182March 31, 2016333% over the limit
Solids, suspended percent removal182March 31, 201733% over the limit
Temperature, water deg. centigrade3150
Selenium, total recoverable1130
Flow, in conduit or thru treatment plant2120
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)280
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia280
TU Static Renewal 7-Day Chronic Pimphales promelas280
Hydrogen sulfide250
Silver total recoverable150
Sulfide, total [as S]240
Pass/Fail Static 96 Hr Acute Pimephales Promelas140
Oxygen, dissolved [DO]130
Nitrogen, Kjeldahl, total [as N]130
Nitrite + Nitrate total [as N]130
Phosphorus, total [as P]130
Hardness, total [as CaCO3]130
Pass/Fail Static 96Hr Acute Ceriodaphnia Dubia130
Oil & Grease220
Cyanide, total [as CN]110
Arsenic, total recoverable110
Iron, total recoverable110
Thallium, total recoverable110
Beryllium, total recoverable [as Be]110
Nickel, total recoverable110
Zinc, total recoverable110
Cadmium, total recoverable110
Lead, total recoverable110
Chromium, total recoverable110
Copper, total recoverable110
Chromium, hexavalent dissolved [as Cr]110
Antimony, total recoverable110
2-Methyl-4,6-dinitrophenol110
Dichlorobromomethane110
Carbon tetrachloride110
1,2-Dichloroethane110
Bromoform110
Dibromochloromethane110
Chloroform110
Toluene110
Benzene110
Acenaphthylene110
Acenaphthene110
Acrolein110
Acrylonitrile110
Anthracene110
Benzo[b]fluoranthene110
Benzo[k]fluoranthene110
Benzo[a]pyrene110
Bis[2-chloroethyl] ether110
Bis[2-chloroethoxy]methane110
Bis[2-chloroisopropyl] ether110
Butyl benzyl phthalate110
Chlorobenzene110

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES AZ0023485.

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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How we handle your data → Privacy

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 AZ0023485 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.