Sun Harbor Water District #3
EPA ID: WA5385129 · 187 people served · 1 ZIP code
Throughout five consecutive years of federal water monitoring, Sun Harbor Water District #3 recorded zero violations — solid performance for a utility serving 187 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Sun Harbor Water District #3 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Sun Harbor Water District #3 serves a community with a median household income of $86,597 and an estimated 4,198 residents across its service area. Approximately 54% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Sun Harbor Water District #3'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 Walla Walla 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
Sun Harbor Water District #3 (EPA ID: WA5385129) is a community water system in Washington that serves approximately 187 people from groundwater sources.
This system serves ZIP code 99323 in Burbank.
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
- 99323 — Burbank
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Sun Harbor Water District #3 (WA5385129) on EPA.gov.
Frequently Asked Questions
Is Sun Harbor Water District #3 water safe to drink?
Based on EPA records, Sun Harbor Water District #3 has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Sun Harbor Water District #3 serve?
Sun Harbor Water District #3 serves approximately 187 people across 1 ZIP code in Washington.
Where does Sun Harbor Water District #3 get its water?
The primary water source is groundwater.