Public water system record

Sierra Park Water Company Inc.

Serves Sierra Village, Tuolumne County, CA · 400 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Sierra Park Water Company Inc. in the last ten years.

  • CA5510016
  • MI-WUK VILLAGE
  • CA
  • 400 served

System profile

Source water Groundwater
ZIP 95346
EPA system ID CA5510016

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

  • Sierra Park Water Company Inc. draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by California, December 2005.
  • Record on file since 1993, with 2 health-based violations before October 19, 2016.

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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
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2025 Resolved

Full record since 1993

EPA's records for Sierra Park Water Company Inc. go back to 1993. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 5 monitoring or reporting violations.

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

Most recent health-based violation before October 19, 2016: Total Coliform, began August 2005, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Aug 1, 2005 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 2001 Resolved

Enforcement actions

California regulators took 3 formal enforcement actions against Sierra Park Water Company Inc. between 2001 and 2005. The most recent was a compliance order (no penalty) in December 2005.

Date By Action Violations covered
Dec 28, 2005 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Nov 16, 2005 California Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Sep 4, 2001 California Compliance order (no penalty) 1 violation (1 health-based): Total Coliform

Where the water comes from

Sierra Park Water Company Inc. draws water from 2 wells.

Annual water quality report

Sierra Park Water Company Inc. 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 Sierra Park Water Company Inc. 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.