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Public water system record

Picacho Peak Water Company

On record as serving Picacho, Pinal County, AZ · Serves 55 people

Federal records show 4 health-based violations and 13 monitoring/reporting issues for Picacho Peak Water Company in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • AZ0411038
  • TUCSON
  • AZ
  • 55 served

System profile

Source water Groundwater
ZIP 85756
EPA system ID AZ0411038

Verify this system on EPA ECHO →

Health-based violations, last 10 years
4
Resolved
4
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
13

Key facts

  • Picacho Peak Water Company draws water from 2 wells.
  • Highest measured level in the last 10 years: Nitrate, 12 mg/L, federal limit 10 mg/L (1.2 times the limit), 2024.
  • Most recent formal enforcement: compliance order (no penalty) by Arizona, May 2006.
  • Record on file since 1983, with 20 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 10 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 Feb 19, 2025 Resolved No
Groundwater Rule
Treatment technique failure
 140 Feb 19, 2025 Resolved No
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Resolved No
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
 330 Jan 1, 2024 Resolved Yes

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
 Apr 11, 2025 Resolved
Public Notice
OTHER
 Apr 11, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2025 Active
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2024 Resolved
Public Notice
OTHER
 Apr 13, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
 Feb 1, 2023 Resolved
Nitrate
Monitoring and reporting
 Jan 1, 2023 Resolved
Consumer Confidence Rule
OTHER
 Oct 2, 2021 Resolved
Revised Total Coliform Rule
RPT
 Apr 1, 2020 Resolved
Revised Total Coliform Rule
RPT
 Jun 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
 Nov 3, 2017 Resolved
Revised Total Coliform Rule
RPT
 Mar 1, 2017 Resolved

Full record since 1983

EPA's records for Picacho Peak Water Company go back to 1983. Before October 19, 2016 they list 20 health-based violations (19 resolved, 1 archived by EPA without a recorded fix) and 96 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 1 21
1990s 2 11
2000s 11 49
2010 to October 18, 2016 6 15
October 19, 2016 to 2019 0 3
2020s 4 10

Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 2013, Resolved.

Show all 20 health-based violations before October 19, 2016
Contaminant Start date Status
Nitrate (acute)
Contaminant limit exceeded
Measured 18 mg/L, federal limit 10 mg/L (1.8 times the limit)
 Jan 1, 2013 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 16 mg/L, federal limit 10 mg/L (1.6 times the limit)
 Jan 1, 2012 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 15 mg/L, federal limit 10 mg/L (1.5 times the limit)
 Apr 1, 2011 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 21 mg/L, federal limit 10 mg/L (2.1 times the limit)
 Oct 1, 2010 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 16 mg/L, federal limit 10 mg/L (1.6 times the limit)
 Jul 1, 2010 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
 Jan 1, 2010 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
 Oct 1, 2009 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
 Jul 1, 2009 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 10.6 mg/L, federal limit 10 mg/L (1.1 times the limit)
 Jan 1, 2009 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
 Oct 1, 2008 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 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)
 Jan 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
 May 1, 2007 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
 Jan 1, 2007 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
 Jan 1, 2006 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
 Jan 1, 2004 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 16 mg/L, federal limit 10 mg/L (1.6 times the limit)
 Jan 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
 Jan 1, 1999 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 1998 Resolved
Nitrate (acute)
Contaminant limit exceeded
 Feb 2, 1983 Archived

Enforcement actions

Arizona regulators took 1 formal enforcement action against Picacho Peak Water Company in 2006. The most recent was a compliance order (no penalty) in May 2006.

Date By Action Violations covered
May 23, 2006 Arizona Compliance order (no penalty) 57 violations (17 health-based): Nitrate, Total Coliform, Consumer Confidence Rule, Lead and Copper Rule

What the violations mean

Groundwater Rule

2 incidents

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 each of these violations.

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.

Nitrate

1 incident

Nitrate exceeded the federal limit

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

Where the water comes from

Picacho Peak Water Company draws water from 2 wells. 1 other community water system buys water from Picacho Peak Water Company.

Community systems that buy water from it

Annual water quality report

Picacho Peak 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.

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 Picacho Peak Water Company 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.

Certified drinking water labs by state EPA guidance for private wells