H

Highlands, CA

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️1 health-based violation on record.
0
Water sources
1
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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Self-reported issues

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Pollution sources & reported claims near your water

Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.

Critical High Medium Reported claim

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Public water systems

CALIFORNIA WATER SERVICE - SAN MATEO

PWSID:
CA4110008
Source:
Surface water
Serves:
102,348 people

EPA & DEP violations

CALIFORNIA WATER SERVICE - SAN MATEO

PWSID CA41100081 violation

  • MCL exceedance — CALIFORNIA WATER SERVICE - SAN MATEO

    high severityHealth-basedResolved

    EPA SDWIS violation 9304005 (code 22) at CALIFORNIA WATER SERVICE - SAN MATEO (PWSID CA4110008).

    EPA SDWIS · MCL exceedance · Began Oct 1, 1992 · 33 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

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