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TONASKET WATER SYSTEM

Serving 1 city in WA

Action Needed
10 above health guidelines
2K
People Served
1
City
1
Water Sources
0
MCL Violations

Official TONASKET WATER SYSTEM Resources

TONASKET WATER SYSTEM Service Area

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Service Area

This map shows the approximate service area for TONASKET WATER SYSTEM. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

TONASKET WATER SYSTEM Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score0/100
10
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is TONASKET WATER SYSTEM Water Safe to Drink?

TONASKET WATER SYSTEM has reported 10 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 2,392 people across 1 city in WA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

TONASKET WATER SYSTEM Service Area

TONASKET WATER SYSTEM Contact & Information

Emergency Line

https://www.tonasketwa.gov/media/3576

24/7 After-Hours

Mailing Address

PO Box 266 Tonasket, WA 98855

Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

Not specified

TONASKET WATER SYSTEM Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for TONASKET WATER SYSTEM

Based on water quality data from cities served by TONASKET WATER SYSTEM, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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