Jefferson Hills Wua
EPA ID: MT0002978 · 780 people served · 8 ZIP codes
Jefferson Hills Wua's five-year compliance history is clean by every EPA metric — no health-based violations, no monitoring lapses, no enforcement actions on record, reflecting consistent performance for a utility that supplies water to approximately 780 residents year after year.
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 24 (2022) to 8 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Jefferson Hills Wua Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Jefferson Hills Wua serves a community with a median household income of $79,172 and an estimated 62,357 residents across its service area. Approximately 52% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Jefferson Hills Wua'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 Lewis and Clark County, Montana rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Superfund Proximity Note: This service area ranks in the 70th 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
Jefferson Hills Wua (EPA ID: MT0002978) is a community water system in Montana that serves approximately 780 people from groundwater sources.
This system provides water to 8 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
- 59601 — Helena
- 59602 — Helena
- 59604 — Helena
- 59620 — Helena
- 59623 — Helena
- 59624 — Helena
- 59625 — Helena
- 59626 — Helena
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Jefferson Hills Wua (MT0002978) on EPA.gov.
Frequently Asked Questions
Is Jefferson Hills Wua water safe to drink?
Based on EPA records, Jefferson Hills Wua has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Jefferson Hills Wua serve?
Jefferson Hills Wua serves approximately 780 people across 8 ZIP codes in Montana.
Where does Jefferson Hills Wua 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.