A

Angwin, CA

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️31 health-based violations on record.
0
Water sources
37
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

HOWELL MOUNTAIN MUTUAL WATER COMPANY

PWSID:
CA2810001
Source:
Surface water
Serves:
1,240 people

EPA & DEP violations

HOWELL MOUNTAIN MUTUAL WATER COMPANY

PWSID CA281000137 violations

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 9403015 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2023 · 3 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 9403014 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2022 · 3 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 9403013 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2022 · 4 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 9403012 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2021 · 5 years ago · Source ↗

  • Monitoring violation — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    low severityResolved

    EPA SDWIS violation 9403011 (code 52) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2020 · 5 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 9403009 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2016 · 9 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 9403008 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    low severityResolved

    EPA SDWIS violation 9403007 (code 03) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2015 · 11 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 9403006 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2013 · 13 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 9403005 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2013 · 13 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1103040 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2011 · 15 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1103038 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2011 · 15 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1103039 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2011 · 15 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1103036 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2010 · 15 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1103037 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2010 · 15 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1003034 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2010 · 16 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1003035 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2010 · 16 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1003032 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2010 · 16 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1003033 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2010 · 16 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1003029 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2010 · 16 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1003030 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2010 · 16 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1003028 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2009 · 16 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1003031 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2009 · 16 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 903019 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2009 · 17 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 903023 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2009 · 17 years ago · Source ↗

  • Monitoring violation — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    low severityResolved

    EPA SDWIS violation 903025 (code 27) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2009 · 17 years ago · Source ↗

  • Monitoring violation — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    low severityResolved

    EPA SDWIS violation 903026 (code 27) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2009 · 17 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 903018 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2009 · 17 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 903022 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2009 · 17 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 903017 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2009 · 17 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 903016 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2008 · 17 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 903021 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2008 · 17 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 803015 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2008 · 18 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 803020 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2008 · 18 years ago · Source ↗

  • Monitoring violation — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    low severityResolved

    EPA SDWIS violation 803024 (code 27) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2008 · 18 years ago · Source ↗

  • Monitoring violation — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    low severityResolved

    EPA SDWIS violation 803027 (code 27) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2008 · 18 years ago · Source ↗

  • MCL exceedance — HOWELL MOUNTAIN MUTUAL WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 803014 (code 02) at HOWELL MOUNTAIN MUTUAL WATER COMPANY (PWSID CA2810001).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2008 · 18 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.