C54/100
SPANAWAY WATER COMPANY — Water Quality Report 2026
Serving 31,908 people · Washington
Water Source
Groundwater
County
—
System ID
WA5382850
Violations
7
Contaminant Test Results
4 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 3.90 mg/L | 1.30 mg/L | Over Limit |
PFOS | 0.008 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.006 µg/L | 0.004 µg/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 1993.
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 SPANAWAY WATER COMPANY
Is SPANAWAY WATER COMPANY water safe to drink?
SPANAWAY WATER COMPANY water receives a grade of C (54/100), which is considered fair. 3 contaminant(s) exceed EPA legal limits and 7 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SPANAWAY WATER COMPANY detected?
67 contaminants were tested in SPANAWAY WATER COMPANY's water. Notable contaminants include Copper (90th percentile), PFOS, PFOA, Lead (90th percentile). 3 exceed EPA legal limits (MCLs). 4 exceed EPA health goals (MCLGs).
Does SPANAWAY WATER COMPANY have any EPA violations?
Yes, SPANAWAY WATER COMPANY has 7 EPA violation(s) on record, with the most recent in 1993. Violation types include MCL, MR. 3 are health-based violations.
How many people does SPANAWAY WATER COMPANY serve?
SPANAWAY WATER COMPANY serves approximately 31,908 people, Washington.
What type of water does SPANAWAY WATER COMPANY provide?
SPANAWAY WATER COMPANY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5382850.
How does SPANAWAY WATER COMPANY compare to other utilities in Washington?
SPANAWAY WATER COMPANY scores 54/100 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.