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Public water system record

Mt. Eden Mutual Water Company

Serves Saratoga, Santa Clara County, CA · 165 people served

Federal records show 1 health-based violation and 5 monitoring/reporting issues for Mt. Eden Mutual Water Company in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • CA4300831
  • SARATOGA
  • CA
  • 165 served

System profile

Source water Purchased surface water
ZIP 95070
EPA system ID CA4300831

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Mt. Eden Mutual Water Company buys its water from San Jose Water.
  • Most recent formal enforcement: compliance order (no penalty) by California, November 2022.
  • Record on file since 1993, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 64 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
Revised Total Coliform Rule
Treatment technique failure
 110 Apr 1, 2019 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jan 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jan 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
 May 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2001 Resolved

Full record since 1993

EPA's records for Mt. Eden Mutual Water Company go back to 1993. Before October 19, 2016 they list no health-based violations and 5 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 3
2000s 0 1
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 1 0
2020s 0 4

Enforcement actions

California regulators took 6 formal enforcement actions against Mt. Eden Mutual Water Company between 2002 and 2022, filed as 7 records in EPA's data. The most recent was a compliance order (no penalty) in November 2022.

Date By Action Violations covered
Nov 7, 2022 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Feb 10, 2022 California Compliance order (no penalty) 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Jun 19, 2020 California Compliance order (no penalty) 1 violation: Revised Total Coliform Rule
May 2, 2019 California Compliance order (no penalty) 1 violation (1 health-based): Revised Total Coliform Rule
Sep 30, 2010 California Compliance order (no penalty) 1 violation: Total Coliform
Feb 19, 2002 California Compliance order (no penalty) 2 violations: Lead and Copper Rule

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

Mt. Eden Mutual Water Company buys its water from San Jose Water. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Mt. Eden 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 Mt. Eden 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