Public water system record

Humboldt Water System

Serves Dewey-Humboldt, Yavapai County, AZ · 825 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Humboldt Water System in the last ten years.

  • AZ0413052
  • MAYER
  • AZ
  • 825 served

System profile

Source water Groundwater
ZIP 86333
EPA system ID AZ0413052

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
1

Key facts

  • Humboldt Water System draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by Arizona, December 2012.
  • Record on file since 1986, with 10 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 422 unknown out of 422 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.

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
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved

Full record since 1986

EPA's records for Humboldt Water System go back to 1986. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 132 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 35
1990s 0 53
2000s 0 37
2010 to October 18, 2016 10 7
October 19, 2016 to 2019 0 1

Most recent health-based violation before October 19, 2016: Arsenic, began April 2015, Resolved.

Show all 10 health-based violations before October 19, 2016
Contaminant Start date Status
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Apr 1, 2015 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.021 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
Jan 1, 2015 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Oct 1, 2014 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Jul 1, 2014 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Apr 1, 2014 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.017 mg/L, federal limit 0.01 mg/L (1.7 times the limit)
Jan 1, 2014 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.02 mg/L, federal limit 0.01 mg/L (2 times the limit)
Oct 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Jul 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Apr 1, 2013 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
Jan 1, 2012 Resolved

Enforcement actions

Arizona regulators took 1 formal enforcement action against Humboldt Water System in 2012. The most recent was a compliance order (no penalty) in December 2012.

Date By Action Violations covered
Dec 11, 2012 Arizona Compliance order (no penalty) 31 violations (10 health-based): Nitrate, Arsenic

Where the water comes from

Humboldt Water System draws water from 2 wells.

Annual water quality report

Humboldt Water System 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.