COUNTY REPORT UT

Wasatch County, Utah

3 ZIP codes · Avg score 73/100 · Grade B · Updated 2026-06-03

EPA monitoring reports for Wasatch County cover 3 ZIP codes and tell a largely reassuring story — compliance rates are high and health-based violations are far below the national norm.

How Wasatch County Compares

Wasatch County73/100
Utah avg72/100
National avg68/100

How Wasatch County Compares

B
County Grade
73/100
Avg Safety Score
3
ZIP Codes
13
Water Systems

Wasatch County scores 1 points above the Utah state average (72/100) and 5 points above the national average (68/100).

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

B
County Grade
73
Avg Safety Score
3
ZIP Codes
Best ZIP: 84082 (82/100)
Lowest ZIP: 84049 (58/100)
$648K
Median Home Value
$2,000
Avg Remediation (31% of home value)

Key Risk Factors

Health risk index: 9.7 (asthma 10%, diabetes 8.4%)

Estimated additional annual cost per homeowner: $650, driven primarily by wildfire

Infrastructure: 0.31% avg pipe failure probability

30.3% of homes built before 1978 (lead paint era)

Violation History (2024–2025)

→ Stable trend

EPA violation counts by year across Wasatch County water systems. Health-based shown in red, total in blue.

2024
5 (5 health)
2025
10 (10 health)

Peak year: 2025 with 10 violations. Past 5 years: 15 total (15 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10% (national: 8.9%)
Diabetes 8.4% (national: 10.5%)
Obesity 24.3% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

2007
Median Build Year
30.3%
Pre-1978 Housing
31%
Pipe Failure Probability
0%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $650

Wildfire $300/yr
Flood $200/yr
Energy Code Gap $150/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

13,219 housing units in Wasatch County

Pre-1940 6%
1940–1959 3%
1960–1979 12%
1980–1999 23%
2000+ 54%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Wasatch County

$648K
Median Home Value
$2,000
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Wasatch County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Wasatch County residents

Asthma 10% (US avg: 8.9%)
Diabetes 8.4% (US avg: 11%)
Obesity 24.3% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Wasatch County ranked by EPA violation count.

# Water System Population Violations
1 Charleston Wcd 484 25
2 Midway City Water System 7,055 25
3 Interlaken Town 350 25
4 Swiss Alpine Water Company 300 22
5 Oak Haven Water Company 388 22

13 total water systems serve Wasatch County.

All ZIP Codes in Wasatch County

3 ZIP codes tracked in Wasatch County.

# ZIP Code City Safety Score Grade Violations Home Value
1 84082 Wallsburg 82 B 3 $578K
2 84032 Heber City 80 B 3 $648K
3 84049 Midway 58 C 22 (12 health) $857K

Recommended Buyer Guides for Wasatch County

Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.

Overview

Wasatch County in Utah covers 3 ZIP codes with an average Home Safety Score of B (73/100).

3 of 3 ZIP codes have recorded EPA violations. 12 health-based violations have been documented.

← Back to Utah water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Wasatch County?
Wasatch County receives a grade of B, indicating generally safe tap water across its 3 ZIP codes.
How many water systems serve Wasatch County?
Wasatch County is served by 13 public water systems that supply drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Wasatch County?
The primary environmental risk factor in Wasatch County is wildfire. This contributes to an estimated additional annual cost of $650 per homeowner.
How old are homes in Wasatch County?
The median home build year in Wasatch County is 2007. 30.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Wasatch County compare to Utah?
Wasatch County has an average water safety score of 73/100, which is above the Utah state average of 72/100.

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