Wallula Water District
EPA ID: WA5392600 · 200 people served · 1 ZIP code
Federal monitoring spanning five full years has produced zero violations at Wallula Water District — a clean record across every reporting cycle for a utility serving approximately 200 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Wallula Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Wallula Water District serves a community with a median household income of $64,485 and an estimated 10,171 residents across its service area. Approximately 50% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Wallula Water District's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 2% of homes in Walla Walla County, Washington rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Washington
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Wallula Water District (EPA ID: WA5392600) is a community water system in Washington that serves approximately 200 people from groundwater sources.
This system serves ZIP code 99324 in College Place.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 99324 — College Place
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Wallula Water District (WA5392600) on EPA.gov.
Frequently Asked Questions
Is Wallula Water District water safe to drink?
Based on EPA records, Wallula Water District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Wallula Water District serve?
Wallula Water District serves approximately 200 people across 1 ZIP code in Washington.
Where does Wallula Water District get its water?
The primary water source is groundwater.