Jackson Lake South
EPA ID: WA5357214 · 225 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Jackson Lake South (WA5357214): no drinking-water violations recorded since 2021. Across the reporting cycles included in federal data, Jackson Lake South has no EPA violation entries - the file covers a service population of approximately 225 residents and says nothing about individual household plumbing.
Data: EPA SDWIS
Service Area Map
Coverage area for Jackson Lake South Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Jackson Lake South have a median household income of $46,792 and about 1,036 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 59% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Jackson Lake South's water is classified in EPA records as a groundwater source. 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 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
System Overview
Jackson Lake South (EPA ID: WA5357214) is a community water system in Washington that serves approximately 225 people from groundwater sources.
This system serves ZIP code 98394 in Vaughn.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2023-12-31 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 98394 - Vaughn
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Jackson Lake South (WA5357214) on EPA.gov.
Frequently Asked Questions
Is Jackson Lake South water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Jackson Lake South 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 Jackson Lake South serve?
Jackson Lake South serves approximately 225 people across 1 ZIP code in Washington.
Where does Jackson Lake South get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Jackson Lake South Water Quality Report, WA. https://zipcheckup.com/water-system/wa5357214/
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title = {{Jackson Lake South Water Quality Report, WA}},
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url = {https://zipcheckup.com/water-system/wa5357214/}
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