San Marcos, CA · San Diego County
Water quality in San Marcos, CA
2 community water systems are based in San Marcos, CA, collectively serving 113,596 people. See per-utility violations, contaminants, and lead service line status.
At a glance
- Community systems
- 2
- People served
- 114k
- Groundwater systems
- 50%
- 1 systems
- Surface water systems
- 50%
- 1 systems
Community water systems based in San Marcos
Systems whose EPA-filed administrative city is San Marcos, sorted by population served. Regional authorities that serve San Marcos but are based elsewhere are not listed here; check the ZIP lookup for a service-area-based answer.
- 1. VALLECITOS WD
San Diego · PWSID CA3710002
114k served - 2. OCOTILLO OASIS, LLC
San Diego · PWSID CA3700291
96 served