Walnut, CA · Los Angeles County
Water quality in Walnut, CA
1 community water system are based in Walnut, CA, collectively serving 100,941 people. See per-utility violations, contaminants, and lead service line status.
At a glance
- Community systems
- 1
- People served
- 101k
- Groundwater systems
- 0%
- 0 systems
- Surface water systems
- 100%
- 1 systems
Community water systems based in Walnut
Systems whose EPA-filed administrative city is Walnut, sorted by population served. Regional authorities that serve Walnut but are based elsewhere are not listed here; check the ZIP lookup for a service-area-based answer.
- 1. WALNUT VALLEY WATER DISTRICT
Los Angeles · PWSID CA1910234
101k served