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St. Helena, CA · Napa County

Water quality in St. Helena, CA

4 community water systems are based in St. Helena, CA, collectively serving 6,328 people. See per-utility violations, contaminants, and lead service line status.

At a glance

Community systems
4
People served
6,328
Groundwater systems
75%
3 systems
Surface water systems
25%
1 systems

Community water systems based in St. Helena

Systems whose EPA-filed administrative city is St. Helena, sorted by population served. Regional authorities that serve St. Helena but are based elsewhere are not listed here; check the ZIP lookup for a service-area-based answer.

  1. 1. ST. HELENA, CITY OF

    Napa · PWSID CA2810004

    5,386 served
  2. 2. ADVENTIST HEALTH - ST. HELENA HOSPITAL

    Napa · PWSID CA2800625

    817 served
  3. 3. SPINDRIFT MARINA

    Sacramento · PWSID CA3400169

    100 served
  4. 4. VAILIMA ESTATES MUTUAL WATER

    Napa · PWSID CA2800532

    25 served

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