Millard County, Utah
10 ZIP codes · Avg score 76/100 · Grade B · Updated 2026-06-03
Water utilities serving Millard County's 10 ZIP codes have built a consistent compliance record — the county's above-average grade reflects years of data showing low violation rates and no systemic health concerns.
How Millard County Compares
How Millard County Compares
Millard County scores 4 points above the Utah state average (72/100) and 8 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Millard County, Utah
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.7 (asthma 10.7%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $1,228, driven primarily by energy_code_gap
Infrastructure: 0.426% avg pipe failure probability, 70% of ZIPs at high risk
67.7% of homes built before 1978 (lead paint era)
Violation History (2021–2023)
→ Stable trendEPA violation counts by year across Millard County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 10 violations. Past 5 years: 12 total (12 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $1,228
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,900 housing units in Millard 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 Millard County
Remediation costs are relatively manageable for most homeowners in Millard 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 Millard 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 Millard County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Scipio Town | 325 | 13 |
| 2 | Hinckley Town Water System | 630 | 12 |
| 3 | Delta City | 3,436 | 10 |
| 4 | Deseret - Oasis Ssd | 490 | 10 |
| 5 | Sunset View Estates Water Company | 65 | 10 |
15 total water systems serve Millard County.
All ZIP Codes in Millard County
10 ZIP codes tracked in Millard County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 84638 | Leamington | 83 | B | 1 | $254K |
| 2 | 84649 | Oak City | 83 | B | 1 | $204K |
| 3 | 84631 | Fillmore | 82 | B | 2 | $260K |
| 4 | 84637 | Kanosh | 82 | B | 5 (1 health) | $332K |
| 5 | 84636 | Holden | 81 | B | 1 | $214K |
| 6 | 84640 | Lynndyl | 79 | B | 3 | $259K |
| 7 | 84656 | Scipio | 73 | B | 13 (1 health) | $250K |
| 8 | 84644 | Meadow | 70 | B | 1 | $246K |
| 9 | 84624 | Delta | 67 | C | 10 (5 health) | $260K |
| 10 | 84635 | Hinckley | 58 | C | 12 (5 health) | $164K |
Recommended Buyer Guides for Millard County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- Best Lead Paint Test Kits — 67.7% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Millard County, Utah
Overview
Millard County in Utah covers 10 ZIP codes with an average Home Safety Score of B (76/100).
10 of 10 ZIP codes have recorded EPA violations. 12 health-based violations have been documented.
← 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.