C40/100
VANCOUVER CITY OF — Water Quality Report 2026
Serving 373,047 people · Washington
Water Source
Groundwater
County
—
System ID
WA5391200
Violations
49
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
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 2014.
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 VANCOUVER CITY OF
Is VANCOUVER CITY OF water safe to drink?
VANCOUVER CITY OF water receives a grade of C (40/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 49 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has VANCOUVER CITY OF detected?
74 contaminants were tested in VANCOUVER CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does VANCOUVER CITY OF have any EPA violations?
Yes, VANCOUVER CITY OF has 49 EPA violation(s) on record, with the most recent in 2014. Violation types include MR, Other.
How many people does VANCOUVER CITY OF serve?
VANCOUVER CITY OF serves approximately 373,047 people, Washington.
What type of water does VANCOUVER CITY OF provide?
VANCOUVER CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5391200.
How does VANCOUVER CITY OF compare to other utilities in Washington?
VANCOUVER CITY OF scores 40/100 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.