Public water system record

San Carlos Apache Health Center

On record as serving Graham County, AZ · Serves 2,085 people

Federal records show 1 health-based violation and 12 monitoring/reporting issues for San Carlos Apache Health Center in the last ten years, including an unresolved Groundwater Rule violation.

  • 090400740
  • PERIDOT
  • AZ
  • 2,085 served

System profile

Source water Purchased groundwater
ZIP 85542
EPA system ID 090400740

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
0
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
12

Key facts

  • San Carlos Apache Health Center buys its water from Scua Upper Seven Mile.
  • Record on file since 2016, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 14 service lines.

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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
Groundwater Rule
Treatment technique failure
140 Aug 15, 2021 Active No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Chlorine
Monitoring and reporting
Apr 1, 2025 Resolved
Revised Total Coliform Rule
RPT
Mar 1, 2020 Resolved
Revised Total Coliform Rule
RPT
Feb 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2020 Resolved
Revised Total Coliform Rule
RPT
Jan 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2016 Resolved

Full record since 2016

EPA's records for San Carlos Apache Health Center go back to 2016. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 0 2
October 19, 2016 to 2019 0 5
2020s 1 5

What the violations mean

Groundwater Rule

1 incident

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

San Carlos Apache Health Center buys its water from Scua Upper Seven Mile. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

San Carlos Apache Health Center 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 EPA Region 9.