CITY REPORT UT

Mountain Home, UT: High Radon Risk — 40/100 (2026)

1 ZIP code · 3 water systems · Updated 2026-06-03

Mountain Home, UT water systems: poor compliance record, lower-tier safety grade.

How Mountain Home Compares

Mountain Home40/100
Utah avg72/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
3
Water Systems
0
ZIPs with Violations
D · 40
Avg Safety Score
Zone 1
Radon Risk (High)
$238K
Median Home Value
$1,200
Est. Remediation (0.5% of home value)

Key Facts for Mountain Home Residents

  • Homes built before 1986: 37% — older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 12.09 — above typical levels.

Mountain Home's Water Providers

3 independent water providers serve Mountain Home, UT — 3 systems appear in federal records.

DUCHESNE COUNTY UPPER COUNTRY WID
Serves ~2,100 people
40
/100
Johnson Water District
Serves ~1,895 people
40
/100
Cedarview Montwell Ssd
Serves ~445 people
40
/100

Overview

We track water quality and home safety data for 1 ZIP code in Mountain Home, Utah (population ~452), covering 3 community water systems serving approximately 4,440 people region-wide.

No EPA violations recorded across any ZIP codes in Mountain Home — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Mountain Home: D (40/100)

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

Mountain Home water systems draw from: Groundwater.

Lead & Copper

  • Lead data: not yet available for Mountain Home
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Areas with No Violations

ZIP Code Safety Score System Population
84051 D DUCHESNE COUNTY UPPER COUNTRY WID 2,100

All ZIP Codes in Mountain Home

Data Sources

Updated daily.

Mountain Home Community Health Snapshot

11.3%
Asthma (US: 9.8%)
11%
Diabetes (US: 10.4%)
18.6%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 11.3% ↑
Diabetes 11% ↑
Mental Health 18.6% ↑

Vertical line = national average. Above national · Below national

Mountain Home Infrastructure Age

1998
Median Build Year
37%
Built Before 1986
12%
Built Before 1970
Copper
Likely Pipe Material

Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Plumbing risk in residential housing tracks directly to construction era: pre-1986 homes may have lead-soldered copper joints; pre-1970 homes may have lead pipes outright. Mountain Home's median build year of 1998 places the city in a moderate risk zone where neither era dominates the housing inventory. Understanding which side of the 1986 threshold a specific property falls on — and whether it predates 1970 — is the most actionable starting point for a homeowner trying to assess their own tap water exposure.

1998
Median Year Built
37%
Pre-1986 (Lead Paint Risk)
12%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (12%) 1970–1986 (25%) Post-1986 (63%)

Most homes in Mountain Home were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in Mountain Home

While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Mountain Home is notably favorable — the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.

Median Home Value
$237,700
Est. Remediation
$1,200
Remediation as % of home value 0.5%

Remediation costs in Mountain Home are relatively low compared to home values. The $800–$1,500 estimated range is a small fraction of median property value. Home values are 39% below the Utah average.

Mountain Home: Lead Risk & Vulnerable Populations

37%
Homes Built Before 1986

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.

Older stock in Mountain Home represents 37% of the inventory, and citywide monitoring runs at or above the federal action level — making an in-home read a standard household-level step.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

What You Can Do in Mountain Home

  1. Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
  2. Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. With 37% of homes built before 1986, lead solder is a real possibility.
  4. Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.

Frequently Asked Questions

Is the water safe to drink in Mountain Home, UT?
Mountain Home has an average water safety score of 40/100 (Grade D). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Mountain Home compare to Utah average?
Mountain Home has an average water safety score of 40/100, which is below the Utah state average of 72/100.
How many water systems serve Mountain Home?
Mountain Home is served by 3 public water systems across 1 ZIP code, serving approximately 452 people.
How much does it cost to fix water issues in Mountain Home?
Estimated remediation costs in Mountain Home average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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