Public water system record

Mark West Meadows Mutual Water

Serves an area of Sonoma County, CA · 20 people served

Federal records show 1 health-based violation and 1 monitoring/reporting issue for Mark West Meadows Mutual Water in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • CA4900905
  • SANTA ROSA
  • CA
  • 20 served

System profile

Source water Groundwater
ZIP 95404
EPA system ID CA4900905

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
1

Key facts

  • Mark West Meadows Mutual Water draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: compliance order (no penalty) by California, September 2005.
  • Record on file since 1981, with 0 health-based violations before October 19, 2016.

Check whether Mark West Meadows Mutual Water 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.

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
Oct 17, 2024 Active

Full record since 1981

EPA's records for Mark West Meadows Mutual Water go back to 1981. Before October 19, 2016 they list no health-based violations and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 3
1990s 0 1
2000s 0 2
2020s 1 1

Enforcement actions

California regulators took 2 formal enforcement actions against Mark West Meadows Mutual Water between 2003 and 2005. The most recent was a compliance order (no penalty) in September 2005.

Date By Action Violations covered
Sep 30, 2005 California Compliance order (no penalty) 1 violation: Total Coliform
Dec 5, 2003 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

Mark West Meadows Mutual Water draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Mark West Meadows 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 Mark West Meadows 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.