C48/100
DELHI CWD — Water Quality Report 2026
Serving 7,784 people · California
Water Source
Groundwater
County
—
System ID
CA2410006
Violations
16
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.007 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 DELHI CWD
Is DELHI CWD water safe to drink?
DELHI CWD water receives a grade of C (48/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 16 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has DELHI CWD detected?
31 contaminants were tested in DELHI CWD's water. Notable contaminants include PFOS. 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does DELHI CWD have any EPA violations?
Yes, DELHI CWD has 16 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, Other, MR. 7 are health-based violations.
How many people does DELHI CWD serve?
DELHI CWD serves approximately 7,784 people, California.
What type of water does DELHI CWD provide?
DELHI CWD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA2410006.
How does DELHI CWD compare to other utilities in California?
DELHI CWD scores 48/100 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.