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Clean Water Act discharge permit · NPDES AZ0022381

CHAPARRAL CITY WATER CO - SHEA WTP, Fountain Hills, AZ: NPDES AZ0022381 discharge permit, effluent exceedances, inspections, penalties

CHAPARRAL CITY WATER CO - SHEA WTP, held by Chaparral City Water Co, holds NPDES permit AZ0022381. EPA’s file records it issued March 10, 2015 and expiring March 4, 2020. 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 filedCHAPARRAL CITY WATER CO - SHEA WTP
Permittee as filedChaparral City Water Co
NPDES IDAZ0022381
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 10, 2015
Expiration dateMarch 4, 2020
AddressFountain Hills, AZ 85268
SubwatershedMcDowell Pass-Verde River (HUC 150602030709)
SIC4971 – Irrigation 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

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.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Flow, in conduit or thru treatment plant222July 31, 20046,400% over the limit
Hardness, total [as CaCO3]340
Silver total recoverable340
Zinc, total recoverable340
Lead, total recoverable340
Cadmium, total recoverable320
Copper, total recoverable320
Mercury, total recoverable320
Sulfide, total [as S]220
Hydrogen sulfide220
pH400
Nitrogen, ammonia total [as N]300
Cyanide, total [as CN]300
Iron, total recoverable300
Selenium, total recoverable300
Chromium, total recoverable300
Chromium, hexavalent dissolved [as Cr]300
Chlorine, total residual300
Temperature, water deg. centigrade200
E. coli, colony forming units [CFU]200
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)200
Static 7Day Chronic Pimephales Promelas200
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia200
Solids, total suspended100
Oil & Grease100
Nitrogen, total [as N]100
Phosphorus, total [as P]100
Arsenic, total recoverable100
Thallium, total recoverable100
Beryllium, total recoverable [as Be]100
Nickel, total recoverable100
Antimony, total recoverable100
Dichlorobromomethane100
Bromoform100
Dibromochloromethane100
Chloroform100
Solids, total dissolved100
Ethylene dibromide100
Chemical Oxygen Demand [COD]100
Pass/Fail Static 96Hr Acute Ceriodaphnia Dubia100
Pass/Fail Static 96 Hr Acute Pimephales Promelas100

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 AZ0022381.

Inspections

EPA’s inspection file holds no inspection for NPDES AZ0022381.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES AZ0022381.

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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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 AZ0022381 there.

CHAPARRAL CITY WATER CO - SHEA WTP, Fountain Hills, Arizona: Individual permit AZ0022381, held by Chaparral City Water Co; Effective; issued March 10, 2015, term to March 4, 2020.

31 of the 41 pollutants listed for NPDES AZ0022381 have no violation or effluent exceedance.

  • Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind, 2 effluent exceedances, latest July 31, 2004, largest 6,400% over the limit.
  • Hardness, total [as CaCO3]: 3 limits, 4 violations of any kind.
  • Silver total recoverable: 3 limits, 4 violations of any kind.
  • Zinc, total recoverable: 3 limits, 4 violations of any kind.
  • Lead, total recoverable: 3 limits, 4 violations of any kind.
  • Cadmium, total recoverable: 3 limits, 2 violations of any kind.
  • Copper, total recoverable: 3 limits, 2 violations of any kind.
  • Mercury, total recoverable: 3 limits, 2 violations of any kind.
  • Sulfide, total [as S]: 2 limits, 2 violations of any kind.
  • Hydrogen sulfide: 2 limits, 2 violations of any kind.
  • pH: 4 limits.
  • Nitrogen, ammonia total [as N]: 3 limits.
  • Cyanide, total [as CN]: 3 limits.
  • Iron, total recoverable: 3 limits.
  • Selenium, total recoverable: 3 limits.
  • Chromium, total recoverable: 3 limits.
  • Chromium, hexavalent dissolved [as Cr]: 3 limits.
  • Chlorine, total residual: 3 limits.
  • Temperature, water deg. centigrade: 2 limits.
  • E. coli, colony forming units [CFU]: 2 limits.
  • TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum): 2 limits.
  • Static 7Day Chronic Pimephales Promelas: 2 limits.
  • TU Static Renewal 7-Day Chronic Ceriodaphnia dubia: 2 limits.
  • Solids, total suspended: 1 limit.
  • Oil & Grease: 1 limit.
  • Nitrogen, total [as N]: 1 limit.
  • Phosphorus, total [as P]: 1 limit.
  • Arsenic, total recoverable: 1 limit.
  • Thallium, total recoverable: 1 limit.
  • Beryllium, total recoverable [as Be]: 1 limit.
  • Nickel, total recoverable: 1 limit.
  • Antimony, total recoverable: 1 limit.
  • Dichlorobromomethane: 1 limit.
  • Bromoform: 1 limit.
  • Dibromochloromethane: 1 limit.
  • Chloroform: 1 limit.
  • Solids, total dissolved: 1 limit.
  • Ethylene dibromide: 1 limit.
  • Chemical Oxygen Demand [COD]: 1 limit.
  • Pass/Fail Static 96Hr Acute Ceriodaphnia Dubia: 1 limit.
  • Pass/Fail Static 96 Hr Acute Pimephales Promelas: 1 limit.

CHAPARRAL CITY WATER CO - SHEA WTP among its neighbors

9 discharge permits are in the McDowell Pass-Verde River subwatershed (HUC 150602030709); AZ0022381 is one. Its county: 618, 31 major; AZ0022381 is minor permit.

Other permits in the McDowell Pass-Verde River subwatershed (HUC 150602030709)

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit AZ0022381 for CHAPARRAL CITY WATER CO - SHEA WTP in Fountain Hills, AZ, held by Chaparral City Water Co, with an effective status, a Minor discharger class, and an issue date of March 10, 2015 and an expiration date of March 4, 2020. The page lists 41 pollutants on file, 41 under a numeric limit, 10 with a violation of any kind, and 1 with an effluent exceedance.