Machias Ridge Homeowners Assoc.
EPA ID: WA5320624 · 324 people served · 3 ZIP codes
Zero EPA violations over five years — Machias Ridge Homeowners Assoc. has kept tap water compliance clean for its full service population of 324.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Machias Ridge Homeowners Assoc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Machias Ridge Homeowners Assoc. serves a community with a median household income of $151,062 and an estimated 66,933 residents across its service area. Approximately 42% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Machias Ridge Homeowners Assoc.'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.
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. 3 detections 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
Machias Ridge Homeowners Assoc. (EPA ID: WA5320624) is a community water system in Washington that serves approximately 324 people from surface water sources.
This system provides water to 3 ZIP codes across 1 community.
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
Coverage: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 2 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Machias Ridge Homeowners Assoc. (WA5320624) on EPA.gov.
Frequently Asked Questions
Is Machias Ridge Homeowners Assoc. water safe to drink?
Based on EPA records, Machias Ridge Homeowners Assoc. has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Machias Ridge Homeowners Assoc. serve?
Machias Ridge Homeowners Assoc. serves approximately 324 people across 3 ZIP codes in Washington.
Where does Machias Ridge Homeowners Assoc. get its water?
The primary water source is surface water.
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.