Public water system record

Melita Heights Mutual Water Company

Serves Santa Rosa, Sonoma County, CA · 64 people served

Federal records show no health-based violations and 5 monitoring/reporting issues for Melita Heights Mutual Water Company in the last ten years. At least one of these issues remains unresolved.

  • CA4900551
  • SANTA ROSA
  • CA
  • 64 served

System profile

Source water Groundwater
ZIP 95409
EPA system ID CA4900551

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Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Melita Heights Mutual Water Company draws water from 1 well.
  • Most recent formal enforcement: compliance order (no penalty) by California, May 2024.
  • Record on file since 1980, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 2 unknown out of 25 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 REVISIONS
RPT
Jul 2, 2025 Active
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2024 Active
Enforcement action in place
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Active
Enforcement action in place
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2018 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2018 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.

Full record since 1980

EPA's records for Melita Heights Mutual Water Company go back to 1980. Before October 19, 2016 they list no health-based violations and 15 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 7
1990s 0 1
2000s 0 6
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 0 2
2020s 0 3

Enforcement actions

California regulators took 5 formal enforcement actions against Melita Heights Mutual Water Company between 2007 and 2024. The most recent was a compliance order (no penalty) in May 2024.

Date By Action Violations covered
May 28, 2024 California Compliance order (no penalty) 2 violations: Lead and Copper Rule
Apr 21, 2021 California Compliance order (no penalty) 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Sep 25, 2012 California Compliance order (no penalty) 1 violation: Total Coliform
Jan 21, 2010 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
May 3, 2007 California Compliance order (no penalty) 4 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)

Where the water comes from

Melita Heights Mutual Water Company draws water from 1 well. It also has an emergency connection to City of Santa Rosa.

Emergency or part-time connections to

Annual water quality report

Melita Heights 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 Melita Heights 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.