Tooele County, Utah
8 ZIP codes · Avg score 71/100 · Grade B · Updated 2026-06-03
Recent water monitoring in Tooele County shows 8 ZIP codes with consistently safe results.
How Tooele County Compares
How Tooele County Compares
Tooele County scores 1 points below the Utah state average (72/100) and 3 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Tooele County, Utah
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 10.9 (asthma 11.4%, diabetes 8.9%)
Estimated additional annual cost per homeowner: $833, driven primarily by energy_code_gap
Infrastructure: 0.311% avg pipe failure probability, 13% of ZIPs at high risk
49.6% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $833
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
23,402 housing units in Tooele County
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 Tooele County
Remediation costs are relatively manageable for most homeowners in Tooele 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 Tooele County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Tooele County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | WENDOVER CITY WATER SYSTEM | 1,525 | 6 |
| 2 | Grantsville City | 13,400 | 4 |
| 3 | Tooele City Water System | 37,100 | 4 |
| 4 | Hidden Hollow Water Company | 99 | 3 |
| 5 | VERNON WATERWORKS SPECIAL SERVICE DIST | 302 | 1 |
6 total water systems serve Tooele County.
All ZIP Codes in Tooele County
8 ZIP codes tracked in Tooele County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 84029 | Grantsville | 83 | B | 1 | $435K |
| 2 | 84071 | Stockton | 83 | B | 0 | $453K |
| 3 | 84074 | Tooele | 82 | B | 3 | $383K |
| 4 | 84080 | Vernon | 81 | B | 1 | $275K |
| 5 | 84083 | Wendover | 77 | B | 6 | $167K |
| 6 | 84022 | Dugway | 53 | D | 0 | $357K |
| 7 | 84034 | Ibapah | 53 | D | 0 | — |
| 8 | 84069 | Rush Valley | 53 | D | 0 | $361K |
Recommended Buyer Guides for Tooele County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Deep Dive Reports
Detailed analysis for Tooele County, Utah
Overview
Tooele County in Utah covers 8 ZIP codes with an average Home Safety Score of B (71/100).
4 of 8 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Utah water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.