City of Basalt
EPA ID: ID6060004 · 425 people served · 1 ZIP code
Zero violations in five consecutive years of EPA monitoring — City of Basalt has held a clean track record across every reporting cycle in that span, with no enforcement activity of any kind on file for the full service population of 425 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for City of Basalt Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The City of Basalt serves a community with a median household income of $77,564 and an estimated 3,074 residents across its service area.
💧 Where Does Your Water Come From?
City of Basalt'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 Madison 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
City of Basalt (EPA ID: ID6060004) is a community water system in Idaho that serves approximately 425 people from groundwater sources.
This system serves ZIP code 83448 in Sugar City.
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
- 83448 — Sugar City
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Basalt (ID6060004) on EPA.gov.
Frequently Asked Questions
Is City of Basalt water safe to drink?
Based on EPA records, City of Basalt has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does City of Basalt serve?
City of Basalt serves approximately 425 people across 1 ZIP code in Idaho.
Where does City of Basalt 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.