B71/100
WEST RICHLAND CITY OF — Water Quality Report 2026
Serving 18,280 people · Washington
Water Source
Purchased Surface Water
County
—
System ID
WA5394900
Violations
25
Contaminant Test Results
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 WEST RICHLAND CITY OF
Is WEST RICHLAND CITY OF water safe to drink?
WEST RICHLAND CITY OF water receives a grade of B (71/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has WEST RICHLAND CITY OF detected?
69 contaminants were tested in WEST RICHLAND CITY OF's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does WEST RICHLAND CITY OF have any EPA violations?
Yes, WEST RICHLAND CITY OF has 25 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does WEST RICHLAND CITY OF serve?
WEST RICHLAND CITY OF serves approximately 18,280 people, Washington.
What type of water does WEST RICHLAND CITY OF provide?
WEST RICHLAND CITY OF 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 WA5394900.
How does WEST RICHLAND CITY OF compare to other utilities in Washington?
WEST RICHLAND CITY OF scores 71/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Washington state page for a full comparison of water systems.