Wilgus Housing Water System
EPA ID: WA53AB933 · 220 people served · 1 ZIP code
From the earliest to the most recent cycle in the five-year EPA window, Wilgus Housing Water System has logged zero violations — no MCL exceedances, no health advisories, and no enforcement activity across the entire period for the 220 people in its service area, a record that stands up well against both state and national benchmarks.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Wilgus Housing Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Wilgus Housing Water System serves a community with a median household income of $67,798 and an estimated 15,071 residents across its service area. Approximately 66% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 56% 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?
Wilgus Housing Water System'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 1% of homes in Yakima County, Washington rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
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
Wilgus Housing Water System (EPA ID: WA53AB933) is a community water system in Washington that serves approximately 220 people from groundwater sources.
This system serves ZIP code 98930 in Grandview.
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
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by WA or modeled from parcel and building-footprint data.
- 98930 — Grandview
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Wilgus Housing Water System (WA53AB933) on EPA.gov.
Frequently Asked Questions
Is Wilgus Housing Water System water safe to drink?
Based on EPA records, Wilgus Housing Water System has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Wilgus Housing Water System serve?
Wilgus Housing Water System serves approximately 220 people across 1 ZIP code in Washington.
Where does Wilgus Housing Water System get its water?
The primary water source is groundwater.