Public water system record

Sierra Co. W.W.D #1 Calpine

Serves Calpine, Sierra County, CA · 182 people served

Federal records show no health-based violations and no monitoring or reporting issues for Sierra Co. W.W.D #1 Calpine in the last ten years.

  • CA4600019
  • CALPINE
  • CA
  • 182 served

System profile

Source water Groundwater
ZIP 96124
EPA system ID CA4600019

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
0

Key facts

  • Sierra Co. W.W.D #1 Calpine draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by California, October 2016.
  • Record on file since 1982, with 33 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 136 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, and no monitoring or reporting violations either.

Full record since 1982

EPA's records for Sierra Co. W.W.D #1 Calpine go back to 1982. Before October 19, 2016 they list 33 health-based violations (33 resolved) and 25 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 24
1990s 0 1
2000s 6 0
2010 to October 18, 2016 27 0

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

Show all 33 health-based violations before October 19, 2016
Contaminant Start date Status
Arsenic
Contaminant limit exceeded
Measured 0.021 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
Jul 1, 2016 Resolved
Arsenic
Contaminant limit exceeded
Measured 21.5 µg/L, federal limit 10 µg/L (2.2 times the limit)
Apr 1, 2016 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.02 mg/L, federal limit 0.01 mg/L (2 times the limit)
Jan 1, 2016 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.021 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
Oct 1, 2015 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.022 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
Jul 1, 2015 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.022 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
Apr 1, 2015 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.023 mg/L, federal limit 0.01 mg/L (2.3 times the limit)
Jan 1, 2015 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.023 mg/L, federal limit 0.01 mg/L (2.3 times the limit)
Oct 1, 2014 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.021 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
Jul 1, 2014 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.021 mg/L, federal limit 0.01 mg/L (2.1 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 0.017 mg/L, federal limit 0.01 mg/L (1.7 times the limit)
Oct 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.016 mg/L, federal limit 0.01 mg/L (1.6 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
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Jan 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Oct 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Jul 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Apr 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Jan 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.018 mg/L, federal limit 0.01 mg/L (1.8 times the limit)
Oct 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.019 mg/L, federal limit 0.01 mg/L (1.9 times the limit)
Jul 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.02 mg/L, federal limit 0.01 mg/L (2 times the limit)
Apr 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.02 mg/L, federal limit 0.01 mg/L (2 times the limit)
Jan 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.02 mg/L, federal limit 0.01 mg/L (2 times the limit)
Oct 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
Jul 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
Apr 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 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
Oct 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
Jul 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
Apr 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.0206 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
Jan 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.019 mg/L, federal limit 0.01 mg/L (1.9 times the limit)
Oct 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2002 Resolved

Enforcement actions

California regulators took 6 formal enforcement actions against Sierra Co. W.W.D #1 Calpine between 2009 and 2016. The most recent was a compliance order (no penalty) in October 2016.

Date By Action Violations covered
Oct 28, 2016 California Compliance order (no penalty) 2 violations (2 health-based): Arsenic
Jan 26, 2016 California Compliance order (no penalty) 1 violation (1 health-based): Arsenic
May 8, 2015 California Compliance order with a penalty 4 violations (4 health-based): Arsenic
Mar 4, 2015 California Compliance order (no penalty) 3 violations (3 health-based): Arsenic
Nov 18, 2011 California Compliance order (no penalty) 14 violations (14 health-based): Arsenic
Feb 26, 2009 California Compliance order (no penalty) 12 violations (12 health-based): Arsenic

Where the water comes from

Sierra Co. W.W.D #1 Calpine draws water from 2 wells.

Annual water quality report

Sierra Co. W.W.D #1 Calpine 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 Sierra Co. W.W.D #1 Calpine 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 California.