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San Dimas, CA · Los Angeles County

Water quality in San Dimas, CA

9 community water systems are based in San Dimas, CA, collectively serving 203,277 people. See per-utility violations, contaminants, and lead service line status.

At a glance

Community systems
9
People served
203k
Groundwater systems
44%
4 systems
Surface water systems
56%
5 systems

Community water systems based in San Dimas

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

  1. 1. GSWC-SAN DIMAS

    Los Angeles · PWSID CA1910142

    57k served
  2. 2. GSWC - CLAREMONT

    Los Angeles · PWSID CA1910024

    40k served
  3. 28k served
  4. 4. GSWC-SOUTH ARCADIA

    Los Angeles · PWSID CA1910212

    27k served
  5. 5. GSWC-SOUTH SAN GABRIEL

    Los Angeles · PWSID CA1910223

    26k served
  6. 15k served
  7. 7. GSWC - CALIPATRIA

    Imperial · PWSID CA1310003

    7,363 served
  8. 2,961 served
  9. 9. GOLDEN STATE WATER MORONGO DELNORTE

    San Bernardino · PWSID CA3600270

    373 served

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