Creston Public Water
EPA ID: WA5316150 · 348 people served · 1 ZIP code
Federal monitoring spanning five full years has produced zero violations at Creston Public Water — a clean record across every reporting cycle for a utility serving approximately 348 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Creston Public Water Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Creston Public Water serves a community with a median household income of $65,703 and an estimated 163 residents across its service area. Approximately 48% 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?
Creston Public Water'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 Spokane 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 80th 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
Creston Public Water (EPA ID: WA5316150) is a community water system in Washington that serves approximately 348 people from groundwater sources.
This system serves ZIP code 99039 in Waverly.
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
- 99039 — Waverly
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Creston Public Water (WA5316150) on EPA.gov.
Frequently Asked Questions
Is Creston Public Water water safe to drink?
Based on EPA records, Creston Public Water has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Creston Public Water serve?
Creston Public Water serves approximately 348 people across 1 ZIP code in Washington.
Where does Creston Public Water get its water?
The primary water source is groundwater.