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Public water system record

Casitas Mutual Water Company

Serves an area of Ventura County, CA · 238 people served

Federal records show 1 health-based violation and 4 monitoring/reporting issues for Casitas Mutual Water Company in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • CA5601104
  • CASITAS SPRINGS
  • CA
  • 238 served

System profile

Source water Purchased surface water
ZIP 93001
EPA system ID CA5601104

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
0
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • Casitas Mutual Water Company draws water from 1 well.
  • Most recent formal enforcement: compliance order (no penalty) by California, January 2022.
  • Record on file since 1980, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 85 unknown out of 85 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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Active 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 REVISIONS
RPT
 Jul 2, 2025 Active
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Active
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2021 Active
Enforcement action in place
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2020 Active
Enforcement action in place

Full record since 1980

EPA's records for Casitas Mutual Water Company go back to 1980. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 8 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 4
1990s 2 2
2000s 1 1
2010 to October 18, 2016 0 1
2020s 1 4

Most recent health-based violation before October 19, 2016: Total Coliform, began October 2004, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Oct 1, 2004 Resolved
Total Coliform
Contaminant limit exceeded
 Jan 1, 1995 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 1993 Resolved

Enforcement actions

California regulators took 3 formal enforcement actions against Casitas Mutual Water Company between 2011 and 2022. The most recent was a compliance order (no penalty) in January 2022.

Date By Action Violations covered
Jan 21, 2022 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Apr 6, 2021 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Feb 7, 2011 California Compliance order (no penalty) 1 violation: Total Coliform

What the violations mean

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.

Where the water comes from

Casitas Mutual Water Company draws water from 1 well. It also buys water from Casitas Municipal Water Dist.

Buys water from

Annual water quality report

Casitas Mutual 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 Casitas Mutual 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 California.

Certified drinking water labs by state EPA guidance for private wells