South Auburn Water Association
EPA ID: WA5381400 · 212 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for South Auburn Water Association (WA5381400): no EPA violations recorded in the last five years. Zero violations in five consecutive years of EPA monitoring - South Auburn Water Association has held a clean track record across every reporting cycle in that span, with no enforcement activity of any kind on file for the full service population of 212 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for South Auburn Water Association Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The South Auburn Water Association serves a community with a median household income of $77,714 and an estimated 37,284 residents across its service area. Approximately 64% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
South Auburn 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.
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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
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
South Auburn Water Association (EPA ID: WA5381400) is a community water system in Washington that serves approximately 212 people from groundwater sources.
This system serves ZIP code 98002 in Auburn.
Violation History
Lead & Copper
No reported lead measurement appears for this PWSID in the accepted LCR snapshot. Absence of a reported measurement is not a measured zero.
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by WA or modeled from parcel and building-footprint data.
- 98002 - Auburn
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for South Auburn Water Association (WA5381400) on EPA.gov.
Frequently Asked Questions
Is South Auburn Water Association water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for South Auburn Water Association in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does South Auburn Water Association serve?
South Auburn Water Association serves approximately 212 people across 1 ZIP code in Washington.
Where does South Auburn Water Association get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). South Auburn Water Association Water Quality Report, WA. https://zipcheckup.com/water-system/wa5381400/
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title = {{South Auburn Water Association Water Quality Report, WA}},
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