Badger Mountain Irrigation District
EPA ID: WA5322617 · 2,331 people served · 4 ZIP codes
Five years of EPA monitoring have produced no violations for Badger Mountain Irrigation District — the supplier serving 2,331 residents has kept every contaminant level within federal limits, a result that places it among the top-performing utilities for systems with a service population of comparable size.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 93% chance of violation in next 12 months
Violations went from 8 (2022) to 4 (2024). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Badger Mountain Irrigation District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Badger Mountain Irrigation District serves a community with a median household income of $93,551 and an estimated 140,136 residents across its service area. Approximately 44% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Badger Mountain Irrigation District'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 Benton 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. 26 detections recorded. 11 exceed federal EPA limits (4 ppt for PFOA/PFOS). 2 exceed state limits.
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
Badger Mountain Irrigation District (EPA ID: WA5322617) is a community water system in Washington that serves approximately 2,331 people from surface water sources.
This system provides water to 4 ZIP codes across 2 communities.
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: 2 ZIP codes 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 Badger Mountain Irrigation District (WA5322617) on EPA.gov.
Frequently Asked Questions
Is Badger Mountain Irrigation District water safe to drink?
Based on EPA records, Badger Mountain Irrigation District has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Badger Mountain Irrigation District serve?
Badger Mountain Irrigation District serves approximately 2,331 people across 4 ZIP codes in Washington.
Where does Badger Mountain Irrigation District get its water?
The primary water source is surface water.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
- #70 / 100 Most Unresolved Health Violations (U.S.)
- #1 / 50 Highest Exposure Burden (Washington)