Sunset Water & Maintenance Assoc
EPA ID: WA5306514 · 35 people served · 1 ZIP code
For the full five-year period covered by EPA monitoring, Sunset Water & Maintenance Assoc has supplied tap water to 35 residents with no violations of any type on record.
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 3 (2021) to 3 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Sunset Water & Maintenance Assoc Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Sunset Water & Maintenance Assoc serves a community with a median household income of $76,528 and an estimated 1,020 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.
💧 Where Does Your Water Come From?
Sunset Water & Maintenance Assoc'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 Whatcom 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 70th 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
Sunset Water & Maintenance Assoc (EPA ID: WA5306514) is a community water system in Washington that serves approximately 35 people from groundwater sources.
This system serves ZIP code 98262 in Lummi Island.
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
- 98262 — Lummi Island
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Sunset Water & Maintenance Assoc (WA5306514) on EPA.gov.
Frequently Asked Questions
Is Sunset Water & Maintenance Assoc water safe to drink?
Based on EPA records, Sunset Water & Maintenance Assoc has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Sunset Water & Maintenance Assoc serve?
Sunset Water & Maintenance Assoc serves approximately 35 people across 1 ZIP code in Washington.
Where does Sunset Water & Maintenance Assoc get its water?
The primary water source is groundwater.