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CEDAR RIVER WATER & SEWER DISTRICT

Serving 7 cities in WA

Monitor
2 above health guidelines
29K
People Served
7
Cities
1
Water Sources
0
MCL Violations

Official CEDAR RIVER WATER & SEWER DISTRICT Resources

Emergency Contact

425-413-8800

Available 24/7 for emergencies

Visit Official Website

CEDAR RIVER WATER & SEWER DISTRICT Service Area

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Service Area

This map shows the approximate service area for CEDAR RIVER WATER & SEWER DISTRICT. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

CEDAR RIVER WATER & SEWER DISTRICT Water Quality Grade

B
Good

Water quality is good with minor concerns.

Quality Score80/100
2
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 CEDAR RIVER WATER & SEWER DISTRICT Water Safe to Drink?

CEDAR RIVER WATER & SEWER DISTRICT has reported 2 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 28,671 people across 7 cities 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.

CEDAR RIVER WATER & SEWER DISTRICT Service Area

CEDAR RIVER WATER & SEWER DISTRICT Contact & Information

Emergency Line

425-413-8800

24/7 After-Hours

Mailing Address

PO Box 1040 Maple Valley, WA 98038

Water Sources & Treatment

Water Sources

Surface water purchased

Treatment Methods

Not specified

Disinfectant Used

chlorine, hypochlorite, ozone, uv light

CEDAR RIVER WATER & SEWER DISTRICT 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 CEDAR RIVER WATER & SEWER DISTRICT

Based on water quality data from cities served by CEDAR RIVER WATER & SEWER DISTRICT, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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