PlainWater

CSP HENRY W. COE STATE PARK

PWS ID: CA4310300 · SAN JUAN BAUTISTA, California 95045

Population Served
898
Total Violations
14
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
5
County
Santa Clara
School/Daycare
No
MCL Violations
4
Monitoring Violations
7
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 1995
Coliform (TCR) MCL 4 1997
Surface Water Treatment Rule TT 2 2007
E. COLI MR 2 2020
Revised Total Coliform Rule MON 1 2020
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.