A95/100
CITY OF SANTA MARIA UTILITIES DEPARTMENT — Water Quality Report 2026
Serving 109,477 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA4210011
Violations
5
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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 CITY OF SANTA MARIA UTILITIES DEPARTMENT
Is CITY OF SANTA MARIA UTILITIES DEPARTMENT water safe to drink?
CITY OF SANTA MARIA UTILITIES DEPARTMENT water receives a grade of A (95/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF SANTA MARIA UTILITIES DEPARTMENT detected?
76 contaminants were tested in CITY OF SANTA MARIA UTILITIES DEPARTMENT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF SANTA MARIA UTILITIES DEPARTMENT have any EPA violations?
Yes, CITY OF SANTA MARIA UTILITIES DEPARTMENT has 5 EPA violation(s) on record, with the most recent in 2016. Violation types include MR.
How many people does CITY OF SANTA MARIA UTILITIES DEPARTMENT serve?
CITY OF SANTA MARIA UTILITIES DEPARTMENT serves approximately 109,477 people, California.
What type of water does CITY OF SANTA MARIA UTILITIES DEPARTMENT provide?
CITY OF SANTA MARIA UTILITIES DEPARTMENT sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA4210011.
How does CITY OF SANTA MARIA UTILITIES DEPARTMENT compare to other utilities in California?
CITY OF SANTA MARIA UTILITIES DEPARTMENT scores 95/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our California state page for a full comparison of water systems.