Public water system record

Rancho Del Conejo Comm Water Coop

Serves Avra Valley and Picture Rocks, Pima County, AZ · 900 people served

Federal records show 2 health-based violations and 6 monitoring/reporting issues for Rancho Del Conejo Comm Water Coop in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • AZ0410142
  • TUCSON
  • AZ
  • 900 served

System profile

Source water Groundwater
ZIP 85743
EPA system ID AZ0410142

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
6

Key facts

  • Rancho Del Conejo Comm Water Coop draws water from 2 wells.
  • Record on file since 1988, with 30 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 45 unknown out of 406 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
Treatment technique failure
110 Aug 3, 2017 Resolved No
Revised Total Coliform Rule
Treatment technique failure
110 Aug 8, 2016 Resolved No

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
Nov 3, 2017 Resolved
E. coli
Monitoring and reporting
Aug 17, 2017 Resolved
Arsenic
Monitoring and reporting
Jul 1, 2017 Resolved
Arsenic
Monitoring and reporting
Jul 1, 2017 Resolved
Revised Total Coliform Rule
RPT
Aug 8, 2016 Resolved
E. coli
Monitoring and reporting
Jul 21, 2016 Resolved

Full record since 1988

EPA's records for Rancho Del Conejo Comm Water Coop go back to 1988. Before October 19, 2016 they list 30 health-based violations (30 resolved) and 152 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 1
1990s 0 2
2000s 19 103
2010 to October 18, 2016 11 46
October 19, 2016 to 2019 1 4

Most recent health-based violation before October 19, 2016: Revised Total Coliform Rule, began August 2016, Resolved.

Show all 30 health-based violations before October 19, 2016
Contaminant Start date Status
Revised Total Coliform Rule
Treatment technique failure
Aug 8, 2016 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Jan 1, 2016 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Jul 1, 2015 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Apr 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Jan 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.0109 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Oct 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Jul 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Apr 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
Apr 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Jan 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
Jan 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Oct 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
Oct 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Jul 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
Jul 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.016 mg/L, federal limit 0.01 mg/L (1.6 times the limit)
Apr 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Apr 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Jan 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 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 0.014 mg/L, federal limit 0.01 mg/L (1.4 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)
Jul 1, 2008 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Apr 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, 2007 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)
Oct 1, 2007 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.017 mg/L, federal limit 0.01 mg/L (1.7 times the limit)
Oct 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
May 1, 2001 Resolved
Total Coliform
Contaminant limit exceeded
Apr 1, 2001 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 2000 Resolved

What the violations mean

Revised Total Coliform Rule

2 incidents

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

Where the water comes from

Rancho Del Conejo Comm Water Coop draws water from 2 wells.

Annual water quality report

Rancho Del Conejo Comm Water Coop 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.