Dugualla Community Inc.
EPA ID: WA5320250 · 459 people served · 2 ZIP codes
Five clean years on EPA record — Dugualla Community Inc., 459 residents served.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 2 (2023) to 12 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Dugualla Community Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Dugualla Community Inc. serves a community with a median household income of $79,326 and an estimated 42,516 residents across its service area. Approximately 49% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Dugualla Community Inc.'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 Island 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
Dugualla Community Inc. (EPA ID: WA5320250) is a community water system in Washington that serves approximately 459 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
Coverage: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 1 additional ZIP inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Dugualla Community Inc. (WA5320250) on EPA.gov.
Frequently Asked Questions
Is Dugualla Community Inc. water safe to drink?
Based on EPA records, Dugualla Community Inc. has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Dugualla Community Inc. serve?
Dugualla Community Inc. serves approximately 459 people across 2 ZIP codes in Washington.
Where does Dugualla Community Inc. get its water?
The primary water source is groundwater.