Mountain Shadows Hoa Inc.
EPA ID: ID4080100 · 89 people served · 1 ZIP code
Zero EPA violations over five years — Mountain Shadows Hoa Inc. has kept tap water compliance clean for its full service population of 89.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 2 (2024) to 2 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Mountain Shadows Hoa Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mountain Shadows Hoa Inc. serves a community with a median household income of $75,461 and an estimated 2,131 residents across its service area.
💧 Where Does Your Water Come From?
Mountain Shadows Hoa Inc.'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 Boise County, Idaho rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Idaho
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
Mountain Shadows Hoa Inc. (EPA ID: ID4080100) is a community water system in Idaho that serves approximately 89 people from groundwater sources.
This system serves ZIP code 83622 in Garden Valley.
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
- 83622 — Garden Valley
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mountain Shadows Hoa Inc. (ID4080100) on EPA.gov.
Frequently Asked Questions
Is Mountain Shadows Hoa Inc. water safe to drink?
Based on EPA records, Mountain Shadows Hoa Inc. has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Mountain Shadows Hoa Inc. serve?
Mountain Shadows Hoa Inc. serves approximately 89 people across 1 ZIP code in Idaho.
Where does Mountain Shadows Hoa Inc. 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.