Rexford, MT (59930): High Radon Potential Area
EPA data for Eureka Town of
EPA records for the water systems mapped to 59930 in Rexford, MT contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result of 0.001 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
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Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (6) HIGH
Your Water System
ZIP code 59930 in Rexford, Montana is mapped to the water system Eureka Town of (EPA ID: MT0000210). This system provides water to approximately 1,995 people from surface water sources.
Other Water Quality Reports in Montana
- 59001 (Absarokee)
- 59002 (Acton)
- 59003 (Ashland)
- 59004 (Ashland)
- 59006 (Ballantine)
- 59007 (Bearcreek)
- 59008 (Belfry)
- 59010 (Bighorn)
- 59011 (Big Timber)
- 59012 (Birney)
- 59013 (Boyd)
- 59014 (Bridger)
- 59015 (Broadview)
- 59016 (Busby)
- 59018 (Clyde Park)
- 59019 (Columbus) - 80 violations recorded for mapped water systems
- 59020 (Cooke City)
- 59022 (Crow Agency)
- 59024 (Custer)
- 59025 (Decker)
Nearby Water Quality Reports
- 59917 (Eureka) - 11 mi
- 59918 (Fortine) - 19 mi
- 59934 (Trego) - 21 mi
- 59933 (Stryker) - 26 mi
- 59927 (Olney) - 38 mi
- 59928 (Polebridge) - 38 mi
- 59923 (Libby) - 40 mi - 25 violations recorded for mapped water systems
- 59935 (Troy) - 43 mi
- 83826 (Eastport, ID) - 44 mi
- 83845 (Moyie Springs, ID) - 46 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Eureka Town of (MT0000210) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
Environmental Hazards (10) MODERATE
Home & Infrastructure (7) MODERATE
Area data suggest possible HVAC concerns - talk to a local expert.
Call (844) 439-2761Paid Partner This is a free service. You will be connected with an independent service provider. We may receive compensation.
Cost & Community (8) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Frequently Asked Questions
Is the tap water in 59930 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 59930 (primary system: Eureka Town of), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 59930's water come from?
The recorded water source for Eureka Town of, a system mapped to ZIP code 59930, is Surface water. This system serves approximately 1,995 people.
How can I get my water tested in Rexford?
If Eureka Town of supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 59930 tap water?
The Lead and Copper Rule record selected for 59930 reports a 90th-percentile lead result of 0.001 mg/L for a water system mapped to this ZIP (record date 2024-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 59930?
59930 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Lincoln County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
How to cite this page
ZipCheckup. (2026). Rexford, MT (59930): High Radon Potential Area. https://zipcheckup.com/report/59930/
@misc{zipcheckup-report-59930,
author = {{ZipCheckup}},
title = {{Rexford, MT (59930): High Radon Potential Area}},
year = {2026},
url = {https://zipcheckup.com/report/59930/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 59930
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 59917 | Eureka, MT | 10.8 mi | N/A | 0 |
| 59918 | Fortine, MT | 18.7 mi | N/A | 0 |
| 59934 | Trego, MT | 21.5 mi | N/A | 0 |
| 59933 | Stryker, MT | 26.3 mi | N/A | 0 |
| 59927 | Olney, MT | 38.2 mi | N/A | 0 |
| 59928 | Polebridge, MT | 38.3 mi | N/A | 0 |
| 59923 | Libby, MT | 40.2 mi | C | 25 |
| 59935 | Troy, MT | 43.0 mi | N/A | 0 |
| 83826 | Eastport, ID | 44.3 mi | N/A | 0 |
| 83845 | Moyie Springs, ID | 45.5 mi | N/A | 0 |
Nearby ZIP Code Reports
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