Lehi, UT: 3 Violations — 77/100 (2026)
1 ZIP code · 4 water systems · Updated 2026-06-03
Water systems serving Lehi hold a strong EPA compliance record — the city places among the better-performing areas in UT with few health-based violations on file.
How Lehi Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Lehi Residents
- Your city's water systems recorded 3 violations in the past 5 years.
- Average lead level: 0.003 mg/L.
- Homes built before 1986: 13% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 8.92.
Lehi's Water Providers
Federal records list 4 water systems tied to Lehi, UT. Of those, 3 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.
Overview
We track water quality and home safety data for 1 ZIP code in Lehi, Utah (population ~81,839), covering 4 community water systems serving approximately 199,023 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 Lehi: B (77/100)
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
Lehi water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0030 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 |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
| Contaminant 2959 | Other | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 84043 | B | 3 | 0 | Lehi City |
All ZIP Codes in Lehi
- 84043 [B] — 3 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Lehi Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Lehi's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Lehi Infrastructure Age
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
Housing age matters for water quality because lead solder was widely used in plumbing until the 1986 federal ban. Lehi's median build year of 2004 suggests a majority of homes were constructed under the newer standard — a meaningful factor when assessing household-level lead risk from tap water.
Most homes in Lehi 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 Lehi
The household financial picture for Lehi homeowners is proportionally favorable — addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.
Remediation costs in Lehi are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 45% above the Utah average.
Lehi: Lead Risk & Vulnerable Populations
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.
Locally, Lehi's indicators line up: aggregate readings pass under the regulatory benchmark and the pre-rule housing footprint at 13% keeps lead in a background position.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Lehi: Flood History & Water Damage Risk
100% of ZIP codes in Lehi are mapped into FEMA-designated flood zones, and the NFIP records 12 claims reflecting a multi-event flood history. That combination places local flood exposure in the range where water-quality implications deserve at least periodic attention.
Lehi has a moderate flood history with 12 FEMA claims averaging $6,908 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.
Deep Dive Reports
Detailed analysis for Lehi, UT