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Clean Water Act discharge permit · NPDES AZ0025518

TRILLIUM WEST WWTP, Buckeye, AZ: NPDES AZ0025518 discharge permit, effluent exceedances, inspections, penalties

TRILLIUM WEST WWTP, held by Town Of Buckeye, holds NPDES permit AZ0025518. EPA’s file records it issued January 25, 2013 and expiring January 24, 2018. 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.

What the register holds for TRILLIUM WEST WWTP: its NPDES ID, its permit type and status, its dates, its address in Buckeye, Arizona, and 177 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES AZ0025518.

Identity

Facility as filedTRILLIUM WEST WWTP
Permittee as filedTown Of Buckeye
NPDES IDAZ0025518
Permit statusEffective
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJanuary 25, 2013
Expiration dateJanuary 24, 2018
AddressBuckeye, AZ 85326

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 177 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, 5-day, 20 deg. C700
Solids, total suspended700
Chlorine, total residual500
pH400
Temperature, water deg. centigrade300
Oil & Grease300
Nitrogen, ammonia total [as N]300
Cyanide, total [as CN]300
Hardness, total [as CaCO3]300
Arsenic, total recoverable300
Selenium, total recoverable300
Thallium, total recoverable300
Beryllium, total recoverable [as Be]300
Nickel, total recoverable300
Silver total recoverable300
Zinc, total recoverable300
Cadmium, total recoverable300
Lead, total recoverable300
Chromium, total recoverable300
Copper, total recoverable300
Antimony, total recoverable300
E. coli, colony forming units [CFU]300
Hydrogen sulfide300
Mercury, total recoverable300
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia300
TU Static Renewal 7-Day Chronic Pimphales promelas300
Sulfide, total [as S]200
Iron, total recoverable200
Chromium, hexavalent dissolved [as Cr]200
Chromium, trivalent total recoverable200
Flow, in conduit or thru treatment plant200
Static 4Day Chronic Selen. Capricornutum200
Oxygen, dissolved [DO]100
Nitrogen, Kjeldahl, total [as N]100
Nitrite + Nitrate total [as N]100
Phosphorus, total [as P]100
Fluoride, total [as F]100
Boron, total recoverable100
Barium, total recoverable100
2-Methyl-4,6-dinitrophenol100
Tributyltin100
Diquat100
Manganese, total recoverable100
Dinoseb100
Dichlorobromomethane100
Carbon tetrachloride100
1,2-Dichloroethane100
Bromoform100
Dibromochloromethane100
Chloroform100
Toluene100
Benzene100
.delta.-BHC100
Acenaphthylene100
Acenaphthene100
Acrolein100
Acrylonitrile100
Anthracene100
Benzo[b]fluoranthene100
Benzo[k]fluoranthene100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES AZ0025518.

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 AZ0025518.

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AZ0025518.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 AZ0025518 there.

Nearby on the register

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