CITY REPORT UT

Grantsville, UT: 1 Violation — 83/100 (2026)

1 ZIP code · 2 water systems · Updated 2026-06-03

The water systems supplying Grantsville show a track record of above-average compliance with federal standards — consistently among the better performers in UT.

How Grantsville Compares

Grantsville83/100
Utah avg72/100
National avg67/100

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

1
ZIP Codes
2
Water Systems
1
ZIPs with Violations
B · 83
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$435K
Median Home Value
$1,600
Est. Remediation (0.4% of home value)

Key Facts for Grantsville Residents

  • Your city's water systems recorded 1 violation in the past 5 years.
  • Average lead level: 0.0021 mg/L.
  • Homes built before 1986: 31% — older plumbing may contain lead solder.
  • Estimated remediation: $1,600 per household.
  • CDC health risk index: 10.91.

Grantsville's Water Providers

Residential addresses in Grantsville, UT are served by 2 primary water providers out of 2 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.

Tooele City Water System
Serves ~37,100 people · 1 violation
83
/100
Grantsville City
Serves ~13,400 people · 1 violation
83
/100

Overview

We track water quality and home safety data for 1 ZIP code in Grantsville, Utah (population ~14,159), covering 2 community water systems serving approximately 50,500 people region-wide.

1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for Grantsville: B (83/100)

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

Grantsville water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0021 mg/L (EPA action level: 0.015 mg/L)
  • 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
Contaminant 2959 Other 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
84029 B 1 0 Grantsville City

All ZIP Codes in Grantsville

  • 84029 [B] — 1 violation

Data Sources

Updated daily.

Grantsville Community Health Snapshot

11.4%
Asthma (US: 9.8%)
8.9%
Diabetes (US: 10.4%)
17.3%
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 11.4% ↑
Diabetes 8.9% ↓
Mental Health 17.3% ↑

Vertical line = national average. Above national · Below national

What's in Grantsville's Water?

Contaminant 2959 2 violations
Other

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Grantsville Infrastructure Age

1991
Median Build Year
31%
Built Before 1986
17%
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

Over the decades, Grantsville accumulated housing from multiple construction periods. The median build year of 1991 places the midpoint of that stock near the 1986 threshold when lead solder in plumbing became federally prohibited — leaving a sizable share of homes on each side of that safety line.

1991
Median Year Built
31%
Pre-1986 (Lead Paint Risk)
17%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (17%) 1970–1986 (14%) Post-1986 (69%)

Most homes in Grantsville 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 Grantsville

Placing remediation in the context of Grantsville's property market, the equity share is low — most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.

Median Home Value
$435,400
Est. Remediation
$1,600
Remediation as % of home value 0.4%

Remediation costs in Grantsville are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 12% above the Utah average.

Grantsville: Lead Risk & Vulnerable Populations

31%
Homes Built Before 1986
0.0021
mg/L Avg Lead (Limit: 0.015)

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.

31% of Grantsville housing dates to the pre-rule era, alongside aggregate readings hovering at the federal action mark — household-level confirmation through a draw-test kit fits the local picture.

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

Grantsville: Flood History & Water Damage Risk

Flood activity in Grantsville is neither negligible nor at the level of the highest-exposure areas in the NFIP dataset. The 2-claim record and 100% flood zone coverage suggest a community that has experienced recurrent events but has not faced the kind of sustained, severe exposure where water-supply contamination becomes a primary public health concern. It sits in a middle range where flood history merits inclusion in any complete local water quality picture.

2
Total FEMA Flood Claims
$4,842
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones

Grantsville has a moderate flood history with 2 FEMA claims averaging $4,842 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,600</strong> remediation cost per household.

Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.

Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.

Frequently Asked Questions

Is the water safe to drink in Grantsville, UT?
Grantsville has an average water safety score of 83/100 (Grade B). 1 EPA violation has been recorded. Check individual ZIP code reports for details specific to your neighborhood.
How many water violations does Grantsville have?
Grantsville water systems have a total of 1 EPA violation. Violations are tracked across 1 ZIP code.
Does Grantsville water have lead?
The average 90th-percentile lead level in Grantsville is 0.0021 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home — testing is recommended especially in older properties.
How does Grantsville compare to Utah average?
Grantsville has an average water safety score of 83/100, which is above the Utah state average of 72/100.
How many water systems serve Grantsville?
Grantsville is served by 2 public water systems across 1 ZIP code, serving approximately 14,159 people.
How much does it cost to fix water issues in Grantsville?
Estimated remediation costs in Grantsville average $1,600 per household, ranging from $800 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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