Public water system record

Adaman Mutual Water Company

Serves an area of Maricopa County, AZ that includes Glendale · 700 people served

Federal records show 3 health-based violations and 29 monitoring/reporting issues for Adaman Mutual Water Company in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • AZ0407001
  • LITCHFIELD PARK
  • AZ
  • 700 served

System profile

Source water Groundwater
ZIP 85340
EPA system ID AZ0407001

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
1
Unresolved
1
Archived by EPA
1
Any acute record
Yes
Monitoring issues, last 10 years
29

Key facts

  • Adaman Mutual Water Company draws water from 2 wells.
  • Highest measured level in the last 10 years: Arsenic, 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit), 2025.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, March 2026.
  • Record on file since 1979, with 6 health-based violations before October 19, 2016.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
330 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
330 Jan 1, 2025 Resolved Yes
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active
Enforcement action in place
No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Public Notice
OTHER
Nov 10, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2025 Active
Public Notice
OTHER
Dec 20, 2024 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active
Enforcement action in place
Consumer Confidence Rule
OTHER
Oct 2, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2024 Resolved
Revised Total Coliform Rule
RPT
Jun 1, 2024 Resolved
Arsenic
Monitoring and reporting
Apr 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Oct 2, 2023 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2023 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2022 Active
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2021 Resolved
Revised Total Coliform Rule
RPT
Mar 1, 2021 Resolved
Revised Total Coliform Rule
RPT
Aug 1, 2020 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2020 Resolved
Chlorine
Monitoring and reporting
Jan 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2019 Resolved
Revised Total Coliform Rule
RPT
Mar 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2019 Resolved
Nitrate
Monitoring and reporting
Jul 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2018 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2017 Resolved
E. coli
Monitoring and reporting
Oct 1, 2016 Resolved
Picloram
Monitoring and reporting
Jan 1, 2016 Resolved

Full record since 1979

EPA's records for Adaman Mutual Water Company go back to 1979. Before October 19, 2016 they list 6 health-based violations (3 resolved, 3 archived by EPA without a recorded fix) and 140 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1980s 3 11
1990s 0 43
2000s 1 44
2010 to October 18, 2016 2 41
October 19, 2016 to 2019 0 9
2020s 3 18

Most recent health-based violation before October 19, 2016: Arsenic, began April 2013, Resolved.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Apr 1, 2013 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
Apr 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
Oct 1, 2008 Resolved
Nitrate (acute)
Contaminant limit exceeded
Jul 1, 1988 Archived
Fluoride
Contaminant limit exceeded
Jul 1, 1988 Archived
Nitrate (acute)
Contaminant limit exceeded
Sep 4, 1981 Archived

Enforcement actions

EPA took 1 formal enforcement action against Adaman Mutual Water Company in 2026. The most recent was a compliance order (no penalty) in March 2026.

Date By Action Violations covered
Mar 19, 2026 EPA Compliance order (no penalty) 2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS

What the violations mean

Arsenic

1 incident

Arsenic exceeded the federal limit

Long-term arsenic exposure is linked to cancer and cardiovascular effects

Nitrate

1 incident

Nitrate exceeded the federal limit

High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Adaman Mutual Water Company draws water from 2 wells.

Annual water quality report

Adaman Mutual Water Company must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Arizona.