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PROSSER CITY OF

Drinking water quality, contact, and Consumer Confidence Report

Serving 1 city in WA Β· PWSID WA5369750

PROSSER CITY OF serves 6,132 people. See EPA records and contact info below.

Monitor
2 above health guidelines
People served
6,132

Data sources: EPA SDWIS, PROSSER CITY OF's published Consumer Confidence Report, Washington Department of Environmental Protection.

This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.

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

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 PROSSER CITY OF Water Safe to Drink?

PROSSER CITY OF 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 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.

Get your water independently tested in Washington β†’How does Washington water quality rank nationally? β†’

PROSSER CITY OF Service Area

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PROSSER CITY OF Contact & Information

Phone

Emergency Line

509-329-2100

24/7 After-Hours

Mailing Address

PO Box 1639 Prosser, WA 99350

B2B Contact Data

B2B Contact Data Available

Contacts for PROSSER CITY OF

Updated Jan 2026
Sample Preview (masked)
NameTitlePhoneEmail
Jβ–ˆβ–ˆβ–ˆβ–ˆ Sβ–ˆβ–ˆβ–ˆβ–ˆWater Treatment Supervisor(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆjβ–ˆβ–ˆβ–ˆβ–ˆ@cityβ–ˆβ–ˆβ–ˆβ–ˆ.gov
Mβ–ˆβ–ˆβ–ˆβ–ˆ Jβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆUtility Director(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆmβ–ˆβ–ˆβ–ˆβ–ˆ@waterβ–ˆβ–ˆβ–ˆβ–ˆ.org
Unlock full contact details

Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

aerationionic exchangepre-oxidation with chlorine

Disinfectant Used

hypochlorite

PROSSER CITY OF Consumer Confidence Report

A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act Β§1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.

A current CCR for PROSSER CITY OF has not been published or validated on TapWaterData yet.

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Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.

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.

Frequently Asked Questions about PROSSER CITY OF

Is PROSSER CITY OF water safe to drink?

PROSSER CITY OF has reported 2 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports for specific water quality details.

Does PROSSER CITY OF have PFAS in its water?

PROSSER CITY OF has PFAS monitoring data on record and no PFAS compounds are currently above EPA health-based guidelines. EPA finalized new PFAS drinking-water rules in 2024 requiring ongoing monitoring through 2029.

How do I pay my PROSSER CITY OF water bill?

PROSSER CITY OF bills can be paid at the utility's official payment portal: https://cityofprosser.com/221/Make-a-Utility-Payment.

How many people does PROSSER CITY OF serve?

PROSSER CITY OF serves 6,132 people across 1 city in WA.

What cities does PROSSER CITY OF serve?

PROSSER CITY OF provides water service to: Prosser, WA.

Does PROSSER CITY OF have any EPA violations?

No, PROSSER CITY OF has no MCL violations on record.

What is PROSSER CITY OF's phone number?

You can contact PROSSER CITY OF at . Their mailing address is: PO Box 1639 Prosser, WA 99350.

Where can I find PROSSER CITY OF's Consumer Confidence Report?

Community water systems must publish an annual CCR. If you're looking for PROSSER CITY OF's CCR, contact them at the number on your water bill or check back here β€” we update monthly. The 2027 revised CCR Rule introduces new direct-URL distribution requirements.

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How we built this page

Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data β€” typically within days of an EPA SDWIS refresh.

Spotted a data issue? Use the Spotted something off? link at the bottom of the page β€” corrections feed back into the next data refresh. Learn more about TapWaterData.

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