Public water system record

Kernvale Mutual Water Co

Serves Lake Isabella, Kern County, CA · 75 people served

Federal records show no health-based violations and 4 monitoring/reporting issues for Kernvale Mutual Water Co in the last ten years.

  • CA1500364
  • LAKE ISABELLA
  • CA
  • 75 served

System profile

Source water Purchased groundwater
ZIP 93240
EPA system ID CA1500364

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
4

Key facts

  • Kernvale Mutual Water Co buys its water from Erskine Creek WC.
  • Most recent formal enforcement: compliance order (no penalty) by California, May 2022.
  • Record on file since 1993, with 25 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 33 service lines.

Check whether Kernvale Mutual Water Co serves your address

Address suggestions by Mapbox

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.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2013 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2011 Resolved

Full record since 1993

EPA's records for Kernvale Mutual Water Co go back to 1993. Before October 19, 2016 they list 25 health-based violations (25 resolved) and 21 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 3 2
2000s 7 15
2010 to October 18, 2016 15 4
2020s 0 2

Most recent health-based violation before October 19, 2016: Arsenic, began July 2013, Resolved.

Show all 25 health-based violations before October 19, 2016
Contaminant Start date Status
Arsenic
Contaminant limit exceeded
Measured 0.024 mg/L, federal limit 0.01 mg/L (2.4 times the limit)
Jul 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.024 mg/L, federal limit 0.01 mg/L (2.4 times the limit)
Apr 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Jan 1, 2013 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.025 mg/L, federal limit 0.01 mg/L (2.5 times the limit)
Oct 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.027 mg/L, federal limit 0.01 mg/L (2.7 times the limit)
Jul 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.027 mg/L, federal limit 0.01 mg/L (2.7 times the limit)
Apr 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.027 mg/L, federal limit 0.01 mg/L (2.7 times the limit)
Jan 1, 2012 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.026 mg/L, federal limit 0.01 mg/L (2.6 times the limit)
Oct 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.027 mg/L, federal limit 0.01 mg/L (2.7 times the limit)
Jul 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.024 mg/L, federal limit 0.01 mg/L (2.4 times the limit)
Apr 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.024 mg/L, federal limit 0.01 mg/L (2.4 times the limit)
Jan 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.026 mg/L, federal limit 0.01 mg/L (2.6 times the limit)
Oct 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.025 mg/L, federal limit 0.01 mg/L (2.5 times the limit)
Jul 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.026 mg/L, federal limit 0.01 mg/L (2.6 times the limit)
Apr 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.0257 mg/L, federal limit 0.01 mg/L (2.6 times the limit)
Jan 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.0213 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
Oct 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.0213 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
Jul 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.023 mg/L, federal limit 0.01 mg/L (2.3 times the limit)
Apr 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.02175 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
Jan 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.021 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
Oct 1, 2008 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.021 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
Jul 1, 2008 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
Apr 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 1998 Resolved
Combined Uranium
Contaminant limit exceeded
Jun 21, 1993 Resolved

Enforcement actions

California regulators took 5 formal enforcement actions against Kernvale Mutual Water Co between 2008 and 2022. The most recent was a compliance order (no penalty) in May 2022.

Date By Action Violations covered
May 3, 2022 California Compliance order (no penalty) 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Dec 9, 2013 California Compliance order (no penalty) 1 violation: Consumer Confidence Rule
Jun 27, 2013 California Compliance order (no penalty) 1 violation: Nitrate
Jan 23, 2009 California Compliance order (no penalty) 23 violations (22 health-based): Arsenic
Jun 10, 2008 California Compliance order (no penalty) 1 violation: Consumer Confidence Rule

Where the water comes from

Kernvale Mutual Water Co buys its water from Erskine Creek WC. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Kernvale Mutual Water Co 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 Kernvale Mutual Water Co 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.