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Public water system record

Cameron NTUA

On record as serving Cameron, Coconino County, AZ · Serves 742 people

Federal records show no health-based violations and 4 monitoring/reporting issues for Cameron NTUA in the last ten years. At least one of these issues remains unresolved.

  • NN0403010
  • FORT DEFIANCE
  • AZ
  • 742 served

System profile

Source water Groundwater
ZIP 86504
EPA system ID NN0403010

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • Cameron NTUA draws water from 1 well.
  • Most recent formal enforcement: compliance order (no penalty) by Navajo Nation EPA, March 2017.
  • Record on file since 1996, with 21 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2024 Active
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 2016 Resolved

Full record since 1996

EPA's records for Cameron NTUA go back to 1996. Before October 19, 2016 they list 21 health-based violations (21 resolved) and 86 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 7 63
2010 to October 18, 2016 14 22
2020s 0 3

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2015, Resolved.

Show all 21 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0878 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0968 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0968 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Apr 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0968 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.0968 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Oct 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1043 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Apr 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1043 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Jan 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09155 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.10538 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Apr 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.10538 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Jan 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.10538 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Oct 1, 2011 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.08493 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2011 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09493 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Apr 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09493 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jan 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09493 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Oct 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1163 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 Jul 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.148 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
 Apr 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.148 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
 Jan 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.132 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
 Oct 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
 Oct 1, 2001 Resolved
Chromium (total)
Contaminant limit exceeded
 Jan 1, 2000 Resolved

Enforcement actions

Navajo Nation EPA took 3 formal enforcement actions against Cameron NTUA between 2014 and 2017, filed as 7 records in EPA's data. The most recent was a compliance order (no penalty) in March 2017.

Date By Action Violations covered
Mar 14, 2017 Navajo Nation EPA Compliance order (no penalty) 3 violations (3 health-based): Total Trihalomethanes (TTHMs)
Mar 30, 2015 Navajo Nation EPA Compliance order (no penalty) 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Nov 26, 2014 Navajo Nation EPA Compliance order (no penalty) 3 violations (3 health-based): Total Trihalomethanes (TTHMs)

Where the water comes from

Cameron NTUA draws water from 1 well.

Annual water quality report

Cameron NTUA 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.

Certified drinking water labs by state EPA guidance for private wells