F0/100
SULTAN WATER DEPARTMENT — Water Quality Report 2026
Serving 7,160 people · Washington
Water Source
Surface Water
County
—
System ID
WA5384770
Violations
85
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) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2010.
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 SULTAN WATER DEPARTMENT
Is SULTAN WATER DEPARTMENT water safe to drink?
SULTAN WATER DEPARTMENT water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 85 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SULTAN WATER DEPARTMENT detected?
32 contaminants were tested in SULTAN WATER DEPARTMENT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SULTAN WATER DEPARTMENT have any EPA violations?
Yes, SULTAN WATER DEPARTMENT has 85 EPA violation(s) on record, with the most recent in 2010. Violation types include Other, MR, TT. 33 are health-based violations.
How many people does SULTAN WATER DEPARTMENT serve?
SULTAN WATER DEPARTMENT serves approximately 7,160 people, Washington.
What type of water does SULTAN WATER DEPARTMENT provide?
SULTAN WATER DEPARTMENT 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 WA5384770.
How does SULTAN WATER DEPARTMENT compare to other utilities in Washington?
SULTAN WATER DEPARTMENT 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.