Indian Springs Ranch Sub
EPA ID: MT0004611 · 455 people served · 1 ZIP code
Federal monitoring spanning five full years has produced zero violations at Indian Springs Ranch Sub — a clean record across every reporting cycle for a utility serving approximately 455 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Indian Springs Ranch Sub serves a community with a median household income of $61,008 and an estimated 5,086 residents across its service area.
Environmental Justice Note: 100% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Indian Springs Ranch Sub'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 2% of homes in Lincoln County, Montana rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Montana
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
Indian Springs Ranch Sub (EPA ID: MT0004611) is a community water system in Montana that serves approximately 455 people from groundwater sources.
This system serves ZIP code 59917 in Eureka.
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
- 59917 — Eureka
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Indian Springs Ranch Sub (MT0004611) on EPA.gov.
Frequently Asked Questions
Is Indian Springs Ranch Sub water safe to drink?
Based on EPA records, Indian Springs Ranch Sub has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Indian Springs Ranch Sub serve?
Indian Springs Ranch Sub serves approximately 455 people across 1 ZIP code in Montana.
Where does Indian Springs Ranch Sub get its water?
The primary water source is groundwater.