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PROSSER CITY OF

Serving 1 city in WA

Monitor
3 above health guidelines
6K
People Served
1
City
1
Water Sources
0
MCL Violations

Official PROSSER CITY OF Resources

PROSSER CITY OF Service Area

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Service Area

This map shows the approximate service area for PROSSER CITY OF. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

PROSSER CITY OF Water Quality Grade

C
Fair

Some contaminants exceed health guidelines.

Quality Score70/100
3
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 PROSSER CITY OF Water Safe to Drink?

PROSSER CITY OF has reported 3 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 6,132 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.

PROSSER CITY OF Service Area

PROSSER CITY OF Contact & Information

Emergency Line

509-329-2100

24/7 After-Hours

Mailing Address

PO Box 1639 Prosser, WA 99350

Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

aerationionic exchangepre-oxidation with chlorine

Disinfectant Used

hypochlorite

PROSSER CITY OF 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 PROSSER CITY OF

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

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