Whatcom County Water District #7
EPA ID: WA5395900 · 1,410 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Whatcom County Water District #7 (WA5395900): no EPA violations recorded in the last five years. Water monitoring for Whatcom County Water District #7: clean, five years, 1,410 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Whatcom County Water District #7 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Whatcom County Water District #7 serves a community with a median household income of $79,684 and an estimated 45,739 residents across its service area.
🌊 Where Does Your Water Come From?
Whatcom County Water District #7's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.
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
Whatcom County Water District #7 (EPA ID: WA5395900) is a community water system in Washington that serves approximately 1,410 people from surface water sources.
This system serves ZIP code 98226 in Bellingham.
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.
- 98226 - Bellingham
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Whatcom County Water District #7 (WA5395900) on EPA.gov.
Frequently Asked Questions
Is Whatcom County Water District #7 water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Whatcom County Water District #7 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 Whatcom County Water District #7 serve?
Whatcom County Water District #7 serves approximately 1,410 people across 1 ZIP code in Washington.
Where does Whatcom County Water District #7 get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Whatcom County Water District #7 Water Quality Report, WA. https://zipcheckup.com/water-system/wa5395900/
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title = {{Whatcom County Water District #7 Water Quality Report, WA}},
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