C52/100
RICHLAND CITY OF — Water Quality Report 2026
Serving 106,248 people · Washington
Water Source
Surface Water
County
—
System ID
WA5372250
Violations
41
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 RICHLAND CITY OF
Is RICHLAND CITY OF water safe to drink?
RICHLAND CITY OF water receives a grade of C (52/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 41 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has RICHLAND CITY OF detected?
69 contaminants were tested in RICHLAND CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does RICHLAND CITY OF have any EPA violations?
Yes, RICHLAND CITY OF has 41 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, MCL. 1 are health-based violations.
How many people does RICHLAND CITY OF serve?
RICHLAND CITY OF serves approximately 106,248 people, Washington.
What type of water does RICHLAND CITY OF provide?
RICHLAND CITY OF sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is WA5372250.
How does RICHLAND CITY OF compare to other utilities in Washington?
RICHLAND CITY OF scores 52/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Washington state page for a full comparison of water systems.