F0/100
DELANO, CITY OF — Water Quality Report 2026
Serving 51,428 people · California
Water Source
Groundwater
County
—
System ID
CA1510005
Violations
46
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
vanadium | 32.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2012.
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 DELANO, CITY OF
Is DELANO, CITY OF water safe to drink?
DELANO, CITY OF water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 46 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has DELANO, CITY OF detected?
66 contaminants were tested in DELANO, CITY OF's water. Notable contaminants include vanadium. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DELANO, CITY OF have any EPA violations?
Yes, DELANO, CITY OF has 46 EPA violation(s) on record, with the most recent in 2012. Violation types include MCL, MR. 42 are health-based violations.
How many people does DELANO, CITY OF serve?
DELANO, CITY OF serves approximately 51,428 people, California. The system provides water to 1 community: Delano.
What type of water does DELANO, CITY OF provide?
DELANO, CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1510005.
How does DELANO, CITY OF compare to other utilities in California?
DELANO, CITY OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.