Washtucna Water Department
EPA ID: WA5393450 · 250 people served · 1 ZIP code
Zero EPA violations over five years — Washtucna Water Department has kept tap water compliance clean for its full service population of 250.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Washtucna Water Department Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Washtucna Water Department serves a community with a median household income of $68,750 and an estimated 332 residents across its service area. Approximately 89% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Washtucna Water Department'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 Adams 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
Washtucna Water Department (EPA ID: WA5393450) is a community water system in Washington that serves approximately 250 people from groundwater sources.
This system serves ZIP code 99371 in Washtucna.
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
- 99371 — Washtucna
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Washtucna Water Department (WA5393450) on EPA.gov.
Frequently Asked Questions
Is Washtucna Water Department water safe to drink?
Based on EPA records, Washtucna Water Department has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Washtucna Water Department serve?
Washtucna Water Department serves approximately 250 people across 1 ZIP code in Washington.
Where does Washtucna Water Department get its water?
The primary water source is groundwater.