Goose Gap Water Association
EPA ID: WA5303404 · 25 people served · 2 ZIP codes
Zero EPA violations over five years — Goose Gap Water Association has kept tap water compliance clean for its full service population of 25.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 43% chance of violation in next 12 months
Violations went from 2 (2022) to 1 (2024). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Goose Gap Water Association Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Goose Gap Water Association serves a community with a median household income of $92,738 and an estimated 62,218 residents across its service area. Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 31% 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?
Goose Gap Water Association'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 Benton 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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 16 detections recorded. 4 exceed federal EPA limits (4 ppt for PFOA/PFOS). 4 exceed state limits.
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
Goose Gap Water Association (EPA ID: WA5303404) is a community water system in Washington that serves approximately 25 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
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
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Goose Gap Water Association (WA5303404) on EPA.gov.
Frequently Asked Questions
Is Goose Gap Water Association water safe to drink?
Based on EPA records, Goose Gap Water Association has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Goose Gap Water Association serve?
Goose Gap Water Association serves approximately 25 people across 2 ZIP codes in Washington.
Where does Goose Gap Water Association get its water?
The primary water source is groundwater.