A85/100
CARNATION WATER SYSTEM CITY OF — Water Quality Report 2026
Serving 2,400 people · Washington
Water Source
Groundwater
County
—
System ID
WA5311200
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – September 30, 2025Enforcement: 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 CARNATION WATER SYSTEM CITY OF
Is CARNATION WATER SYSTEM CITY OF water safe to drink?
CARNATION WATER SYSTEM CITY OF water receives a grade of A (85/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CARNATION WATER SYSTEM CITY OF detected?
1 contaminants were tested in CARNATION WATER SYSTEM CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CARNATION WATER SYSTEM CITY OF have any EPA violations?
Yes, CARNATION WATER SYSTEM CITY OF has 12 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does CARNATION WATER SYSTEM CITY OF serve?
CARNATION WATER SYSTEM CITY OF serves approximately 2,400 people, Washington.
What type of water does CARNATION WATER SYSTEM CITY OF provide?
CARNATION WATER SYSTEM CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5311200.
How does CARNATION WATER SYSTEM CITY OF compare to other utilities in Washington?
CARNATION WATER SYSTEM CITY OF scores 85/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Washington state page for a full comparison of water systems.