Judith Gap, MT: 1 Violation — 72/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Judith Gap's tap water quality puts it in MT's upper tier — health-based violations are rare and the compliance record is consistently above average.
How Judith Gap Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Judith Gap Water
- Your city's water systems recorded 1 violation in the past 5 years.
- Homes built before 1986: 67% — older plumbing may contain lead solder.
- Estimated remediation: $400 per household.
- CDC health risk index: 14.69 — above typical levels.
Who Supplies Your Water in Judith Gap
A single dominant system supplies most of Judith Gap, MT. That utility controls infrastructure decisions, rate structures, and EPA compliance reporting for most residential addresses served across those 1 tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Judith Gap, Montana, covering 1 community water system serving approximately 302 people.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Judith Gap: B (72/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Judith Gap water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Judith Gap
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 59453 | B | 1 | 0 | Judith Gap Town of |
All ZIP Codes in Judith Gap
- 59453 [B] — 1 violation
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Judith Gap
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Judith Gap Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Judith Gap
With 67% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Heavily weighted toward older construction, Judith Gap's housing stock carries a median build year of 1975. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Judith Gap were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Judith Gap Homeowners
At current valuations, Judith Gap sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in Judith Gap are relatively low compared to home values. The $0–$800 estimated range is a small fraction of median property value. Home values are 43% below the Montana average.
Lead Exposure Risk for Children in Judith Gap
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
When older housing represents 67% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Judith Gap address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Judith Gap, MT