Public water system record

Callender Grove Mutual Water

Serves Callender, San Luis Obispo County, CA · 126 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Callender Grove Mutual Water in the last ten years.

  • CA4000805
  • SAN LUIS OBISPO
  • CA
  • 126 served

System profile

Source water Groundwater
ZIP 93401
EPA system ID CA4000805

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
1

Key facts

  • Callender Grove Mutual Water draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by California, October 2022.
  • Lead pipe inventory: 0 lead and 0 unknown out of 37 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.

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
Oct 1, 2022 Resolved

Enforcement actions

California regulators took 1 formal enforcement action against Callender Grove Mutual Water in 2022. The most recent was a compliance order (no penalty) in October 2022.

Date By Action Violations covered
Oct 19, 2022 California Compliance order (no penalty) 1 violation: Lead and Copper Rule

Where the water comes from

Callender Grove Mutual Water draws water from 2 wells.

Annual water quality report

Callender Grove Mutual Water 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 Callender Grove Mutual Water 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.