Public water system record

Belmont Mountain Dairy

Serves an area of Maricopa County, AZ that includes Tonopah · 72 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for Belmont Mountain Dairy in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • AZ0407736
  • TONOPAH
  • AZ
  • 72 served

System profile

Source water Groundwater
ZIP 85354
EPA system ID AZ0407736

Verify this system on EPA ECHO →

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

Key facts

  • Belmont Mountain Dairy draws water from 1 well.
  • Record on file since 2002, with 6 health-based violations before October 20, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 37 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 Jun 24, 2021 Resolved No

Full record since 2002

EPA's records for Belmont Mountain Dairy go back to 2002. Before October 20, 2016 they list 6 health-based violations (6 resolved) and 7 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 6 7
2020s 1 0

Most recent health-based violation before October 20, 2016: Nitrate (acute), began October 2008, Resolved.

Show all 6 health-based violations before October 20, 2016
Contaminant Start date Status
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
Oct 1, 2008 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Oct 1, 2008 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Jul 1, 2008 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
Jul 1, 2008 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Apr 1, 2008 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
Jan 1, 2008 Resolved

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

Belmont Mountain Dairy draws water from 1 well.

Annual water quality report

Belmont Mountain Dairy 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.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Belmont Mountain Dairy for a copy.

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.