C50/100
PICO WD — Water Quality Report 2026
Serving 22,051 people · California
Water Source
Groundwater
County
—
System ID
CA1910125
Violations
23
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.023 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.011 µg/L | 0.004 µg/L | Over Limit |
1,4-dioxane | 1.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About PICO WD
Is PICO WD water safe to drink?
PICO WD water receives a grade of C (50/100), which is considered fair. 2 contaminant(s) exceed EPA legal limits and 23 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PICO WD detected?
66 contaminants were tested in PICO WD's water. Notable contaminants include PFOS, PFOA, 1,4-dioxane. 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does PICO WD have any EPA violations?
Yes, PICO WD has 23 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MCL. 2 are health-based violations.
How many people does PICO WD serve?
PICO WD serves approximately 22,051 people, California.
What type of water does PICO WD provide?
PICO WD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1910125.
How does PICO WD compare to other utilities in California?
PICO WD scores 50/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our California state page for a full comparison of water systems.