PlainWater

SIETE ROBLES MUTUAL WATER CO

PWS ID: CA5601119 · OJAI, California 93023

Population Served
323
Total Violations
28
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
95
County
Ventura
School/Daycare
No
MCL Violations
3
Monitoring Violations
19
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 7 2018
Coliform (TCR) MR 6 2011
Coliform (TCR) MCL 3 1998
Total Haloacetic Acids (HAA5) MR 2 2019
Gross Alpha, Excl. Radon and U MR 2 1981
TTHM MR 2 2019
Consumer Confidence Rule Other 1 2009
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.