Lochaven Water
EPA ID: WA5347640 · 225 people served · 1 ZIP code
Unlike many utilities its size, Lochaven Water carries a violation-free five-year record — no EPA notices, no MCL exceedances, serving 225 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Lochaven Water Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Lochaven Water serves a community with a median household income of $96,478 and an estimated 46,225 residents across its service area.
💧 Where Does Your Water Come From?
Lochaven Water'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.
About 1% of homes in Snohomish County, Washington rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
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
Lochaven Water (EPA ID: WA5347640) is a community water system in Washington that serves approximately 225 people from groundwater sources.
This system serves ZIP code 98223 in Arlington.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 98223 — Arlington
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lochaven Water (WA5347640) on EPA.gov.
Frequently Asked Questions
Is Lochaven Water water safe to drink?
Based on EPA records, Lochaven Water has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Lochaven Water serve?
Lochaven Water serves approximately 225 people across 1 ZIP code in Washington.
Where does Lochaven Water get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.