Dana Passage 523
EPA ID: WA5317794 · 210 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Dana Passage 523 (WA5317794): no EPA violations recorded in the last five years. For the full five-year period covered by EPA monitoring, Dana Passage 523 has supplied tap water to 210 residents with no violations of any type on record.
Data: EPA SDWIS
Service Area Map
Coverage area for Dana Passage 523 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Dana Passage 523 serves a community with a median household income of $93,968 and an estimated 18,763 residents across its service area. Approximately 62% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Dana Passage 523'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. 6 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS).
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
Dana Passage 523 (EPA ID: WA5317794) is a community water system in Washington that serves approximately 210 people from groundwater sources.
This system serves ZIP code 98506 in Olympia.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0021 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.
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.
- 98506 - Olympia
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Dana Passage 523 (WA5317794) on EPA.gov.
Frequently Asked Questions
Is Dana Passage 523 water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Dana Passage 523 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 Dana Passage 523 serve?
Dana Passage 523 serves approximately 210 people across 1 ZIP code in Washington.
Where does Dana Passage 523 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Dana Passage 523 Water Quality Report, WA. https://zipcheckup.com/water-system/wa5317794/
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title = {{Dana Passage 523 Water Quality Report, WA}},
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