B75/100
SIERRA MADRE-CITY, WATER DEPT. — Water Quality Report 2026
Serving 11,000 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA1910148
Violations
5
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2007.
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 SIERRA MADRE-CITY, WATER DEPT.
Is SIERRA MADRE-CITY, WATER DEPT. water safe to drink?
SIERRA MADRE-CITY, WATER DEPT. water receives a grade of B (75/100), which is considered good. Out of 73 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SIERRA MADRE-CITY, WATER DEPT. detected?
73 contaminants were tested in SIERRA MADRE-CITY, WATER DEPT.'s water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SIERRA MADRE-CITY, WATER DEPT. have any EPA violations?
Yes, SIERRA MADRE-CITY, WATER DEPT. has 5 EPA violation(s) on record, with the most recent in 2007. Violation types include MCL. 5 are health-based violations.
How many people does SIERRA MADRE-CITY, WATER DEPT. serve?
SIERRA MADRE-CITY, WATER DEPT. serves approximately 11,000 people, California. The system provides water to 1 community: Sierra Madre.
What type of water does SIERRA MADRE-CITY, WATER DEPT. provide?
SIERRA MADRE-CITY, WATER DEPT. 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 CA1910148.
How does SIERRA MADRE-CITY, WATER DEPT. compare to other utilities in California?
SIERRA MADRE-CITY, WATER DEPT. scores 75/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.