Utah — 1st District
119th Congress · 88 ZIP codes · Avg score 71/100 · Grade B · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
88 ZIP codes tracked in Utah's 1st District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 84028 | Garden City | 83 | B | 0 |
| 2 | 84033 | Henefer | 83 | B | 0 |
| 3 | 84040 | Layton | 83 | B | 0 |
| 4 | 84067 | Roy | 83 | B | 1 |
| 5 | 84075 | Syracuse | 83 | B | 0 |
| 6 | 84307 | Corinne | 83 | B | 0 |
| 7 | 84319 | Hyrum | 83 | B | 0 |
| 8 | 84327 | Newton | 83 | B | 0 |
| 9 | 84330 | Plymouth | 83 | B | 0 |
| 10 | 84336 | Snowville | 83 | B | 1 |
| 11 | 84339 | Wellsville | 83 | B | 0 |
| 12 | 84055 | Oakley | 82 | B | 4 (1 health) |
| 13 | 84064 | Randolph | 82 | B | 2 |
| 14 | 84326 | Millville | 82 | B | 2 |
| 15 | 84338 | Trenton | 82 | B | 10 (1 health) |
| 16 | 84340 | Willard | 82 | B | 3 (1 health) |
| 17 | 84024 | Echo | 81 | B | 2 (2 health) |
| 18 | 84038 | Laketown | 81 | B | 12 (2 health) |
| 19 | 84070 | Sandy | 81 | B | 98 (2 health) |
| 20 | 84086 | Woodruff | 81 | B | 8 (2 health) |
| 21 | 84090 | Sandy | 81 | B | 98 (2 health) |
| 22 | 84091 | Sandy | 81 | B | 98 (2 health) |
| 23 | 84092 | Sandy | 81 | B | 98 (2 health) |
| 24 | 84093 | Sandy | 81 | B | 98 (2 health) |
| 25 | 84094 | Sandy | 81 | B | 98 (2 health) |
| 26 | 84302 | Brigham City | 81 | B | 4 (2 health) |
| 27 | 84305 | Clarkston | 81 | B | 1 |
| 28 | 84308 | Cornish | 81 | B | 9 (2 health) |
| 29 | 84316 | Howell | 81 | B | 2 |
| 30 | 84331 | Portage | 81 | B | 5 |
| 31 | 84061 | Peoa | 80 | B | 7 (2 health) |
| 32 | 84036 | Kamas | 79 | B | 50 (4 health) |
| 33 | 84054 | North Salt Lake | 79 | B | 2 |
| 34 | 84310 | Eden | 79 | B | 3 |
| 35 | 84041 | Layton | 78 | B | 0 |
| 36 | 84311 | Fielding | 78 | B | 5 |
| 37 | 84011 | Bountiful | 77 | B | 64 (1 health) |
| 38 | 84037 | Kaysville | 76 | B | 5 |
| 39 | 84312 | Garland | 75 | B | 5 |
| 40 | 84325 | Mendon | 75 | B | 0 |
| 41 | 84314 | Honeyville | 74 | B | 3 |
| 42 | 84322 | Logan | 74 | B | 6 |
| 43 | 84323 | Logan | 74 | B | 6 |
| 44 | 84337 | Tremonton | 74 | B | 7 |
| 45 | 84341 | Logan | 74 | B | 6 |
| 46 | 84087 | Woods Cross | 73 | B | 0 |
| 47 | 84010 | Bountiful | 72 | B | 64 (1 health) |
| 48 | 84320 | Lewiston | 72 | B | 0 |
| 49 | 84201 | Ogden | 70 | B | 9 |
| 50 | 84244 | Ogden | 70 | B | 9 |
Overview
Utah's 1st District serving an estimated 2,975,179 residents encompasses 88 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (71/100).
1190 EPA violations have been recorded across this district's water systems. 40 are health-based violations. About 66% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Total Trihalomethanes (TTHM) — 100 violations
- Haloacetic Acids (HAA5) — 94 violations
- Revised Total Coliform Rule — 84 violations
- Surface Water Treatment Rule — 55 violations
- Total Coliform — 50 violations
Housing Context
Homes in this district were built on average around 1984 (~42 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Lead Alert: 1 ZIP code in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
Data Sources
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 88 ZIP codes in Utah's 1st District.