Public water system record

Coldwater Canyon 2

Serves Black Canyon City, Yavapai County, AZ · 247 people served

Federal records show 2 health-based violations and 16 monitoring/reporting issues for Coldwater Canyon 2 in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • AZ0413192
  • TUCSON
  • AZ
  • 247 served

System profile

Source water Groundwater
ZIP 85745
EPA system ID AZ0413192

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
16

Key facts

  • Coldwater Canyon 2 draws water from 4 wells.
  • Highest measured level in the last 10 years: Arsenic, 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit), 2018.
  • Record on file since 1998, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 107 unknown out of 107 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
Revised Total Coliform Rule
Contaminant limit exceeded
110 Aug 1, 2023 Resolved Yes
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
330 Oct 1, 2018 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Arsenic
Monitoring and reporting
Jul 1, 2025 Resolved
Public Notice
OTHER
Nov 25, 2022 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2022 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2022 Resolved
Arsenic
Monitoring and reporting
Apr 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Sep 27, 2021 Resolved
Arsenic
Monitoring and reporting
Jul 1, 2021 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2019 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2018 Resolved
Arsenic
Monitoring and reporting
Jul 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2017 Resolved
Chlorine
Monitoring and reporting
Oct 1, 2016 Resolved

Full record since 1998

EPA's records for Coldwater Canyon 2 go back to 1998. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 135 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 57
2000s 1 52
2010 to October 18, 2016 0 26
October 19, 2016 to 2019 1 7
2020s 1 8

Most recent health-based violation before October 19, 2016: Total Coliform, began April 2003, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Apr 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
Jan 1, 1999 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 1998 Resolved

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Arsenic

1 incident

Arsenic exceeded the federal limit

Long-term arsenic exposure is linked to cancer and cardiovascular effects

Where the water comes from

Coldwater Canyon 2 draws water from 4 wells.

Annual water quality report

Coldwater Canyon 2 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 Coldwater Canyon 2 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.