Ponderosa Park Water System
EPA ID: WA5315571 · 381 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Ponderosa Park Water System (WA5315571): no drinking-water violations recorded since 2021. Across the monitored periods in available EPA data, Ponderosa Park Water System has no violations listed for its service population of 381.
Data: EPA SDWIS
Service Area Map
Coverage area for Ponderosa Park Water System Source: EPA SDWIS service area boundaries.
Service area boundary - average Home Safety grade of mapped ZIPs: B
Demographics of ZIP Codes Served
The ZIP codes associated with Ponderosa Park Water System have a median household income of $76,126 and about 8,079 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 67% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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?
Ponderosa Park Water System'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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Washington
System Overview
Ponderosa Park Water System (EPA ID: WA5315571) is a community water system in Washington that serves approximately 381 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
ZIP-Area Home Safety Context: B (83/100)
This is the average Home Safety Score for 1 of 2 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Ponderosa Park Water System (WA5315571) on EPA.gov.
Frequently Asked Questions
Is Ponderosa Park Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Ponderosa Park Water System 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 Ponderosa Park Water System serve?
Ponderosa Park Water System serves approximately 381 people across 2 ZIP codes in Washington.
Where does Ponderosa Park Water System get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Ponderosa Park Water System Water Quality Report, WA. https://zipcheckup.com/water-system/wa5315571/
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title = {{Ponderosa Park Water System Water Quality Report, WA}},
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url = {https://zipcheckup.com/water-system/wa5315571/}
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