WINKELMAN, AZ · Pinal County

INDIAN HILLS ESTATES Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.

System facts

System ID (PWSID): AZ0411324
System type: Community Water System
Population served: 30
Service connections: 270
Ownership: public/private mix
Water source: groundwater (wells)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2021 – January 28, 2021
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived
Monitoring, Regular
—
Barium
February 29, 1988 – February 27, 1991
Archived
Monitoring, Regular
—
Mercury
February 29, 1988 – February 27, 1991
Archived
Monitoring, Regular
—
Arsenic
February 29, 1988 – February 27, 1991
Archived
Monitoring, Regular
—
Nitrate
February 29, 1988 – February 27, 1991
Archived
Monitoring, Regular
—
Selenium
February 29, 1988 – February 27, 1991
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
January 1, 1988 – March 31, 1988
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
November 16, 1983 – February 15, 1984
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 21, 1980 – January 20, 1981
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2021 – January 28, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
December 1, 1991 – December 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
February 29, 1988 – February 27, 1991	Monitoring, Regular	Barium	—	Archived
February 29, 1988 – February 27, 1991	Monitoring, Regular	Mercury	—	Archived
February 29, 1988 – February 27, 1991	Monitoring, Regular	Arsenic	—	Archived
February 29, 1988 – February 27, 1991	Monitoring, Regular	Nitrate	—	Archived
February 29, 1988 – February 27, 1991	Monitoring, Regular	Selenium	—	Archived
January 1, 1988 – March 31, 1988	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
November 16, 1983 – February 15, 1984	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
October 21, 1980 – January 20, 1981	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

May 15, 2023State no longer subject to Rule266 linked violations
September 30, 1980State Othergeneral compliance action — not tied to a specific violation on record
March 25, 1980State Other1 linked violation

Contact

SENTER, SAM

907-202-2634

WINKELMAN, AZ 85192