F0/100
LEAVENWORTH CITY OF — Water Quality Report 2026
Serving 9,218 people · Washington
Water Source
Surface Water
County
—
System ID
WA5346500
Violations
44
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.45 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Enforcement: Resolving — corrective action underway
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 LEAVENWORTH CITY OF
Is LEAVENWORTH CITY OF water safe to drink?
LEAVENWORTH CITY OF water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 44 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LEAVENWORTH CITY OF detected?
2 contaminants were tested in LEAVENWORTH CITY OF's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does LEAVENWORTH CITY OF have any EPA violations?
Yes, LEAVENWORTH CITY OF has 44 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, TT. 15 are health-based violations.
How many people does LEAVENWORTH CITY OF serve?
LEAVENWORTH CITY OF serves approximately 9,218 people, Washington.
What type of water does LEAVENWORTH CITY OF provide?
LEAVENWORTH 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 WA5346500.
How does LEAVENWORTH CITY OF compare to other utilities in Washington?
LEAVENWORTH CITY OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Washington state page for a full comparison of water systems.