Idaho — 2nd District
119th Congress · 165 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 165 ZIP codes in Idaho's 2nd District: the district earns a grade C (67/100). 927 EPA violations on record, 159 health-based.
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Idaho's 2nd District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 83202 | Pocatello | 83 | B | 1 |
| 2 | 83205 | Pocatello | 83 | B | 1 |
| 3 | 83206 | Pocatello | 83 | B | 1 |
| 4 | 83209 | Pocatello | 83 | B | 1 |
| 5 | 83210 | Aberdeen | 83 | B | 0 |
| 6 | 83223 | Bloomington | 83 | B | 1 |
| 7 | 83236 | Firth | 83 | B | 0 |
| 8 | 83239 | Georgetown | 83 | B | 0 |
| 9 | 83246 | Lava Hot Springs | 83 | B | 1 |
| 10 | 83286 | Weston | 83 | B | 0 |
| 11 | 83302 | Rogerson | 83 | B | 0 |
| 12 | 83335 | Hazelton | 83 | B | 0 |
| 13 | 83352 | Shoshone | 83 | B | 0 |
| 14 | 83215 | Atomic City | 82 | B | 4 (1 health) |
| 15 | 83228 | Clifton | 82 | B | 6 (1 health) |
| 16 | 83232 | Dayton | 82 | B | 3 (1 health) |
| 17 | 83241 | Grace | 82 | B | 4 (1 health) |
| 18 | 83261 | Paris | 82 | B | 2 |
| 19 | 83324 | Dietrich | 82 | B | 4 (1 health) |
| 20 | 83334 | Hansen | 82 | B | 5 (1 health) |
| 21 | 83338 | Jerome | 82 | B | 28 (1 health) |
| 22 | 83440 | Rexburg | 82 | B | 13 (1 health) |
| 23 | 83441 | Rexburg | 82 | B | 13 (1 health) |
| 24 | 83454 | Ucon | 82 | B | 5 (1 health) |
| 25 | 83455 | Victor | 82 | B | 7 (1 health) |
| 26 | 83460 | Rexburg | 82 | B | 13 (1 health) |
| 27 | 83234 | Downey | 81 | B | 1 |
| 28 | 83237 | Franklin | 81 | B | 15 (2 health) |
| 29 | 83254 | Montpelier | 81 | B | 2 |
| 30 | 83256 | Moreland | 81 | B | 1 |
| 31 | 83263 | Preston | 81 | B | 25 (2 health) |
| 32 | 83271 | Rockland | 81 | B | 6 (2 health) |
| 33 | 83311 | Albion | 81 | B | 6 (2 health) |
| 34 | 83321 | Castleford | 81 | B | 1 |
| 35 | 83323 | Declo | 81 | B | 1 |
| 36 | 83328 | Filer | 81 | B | 12 (2 health) |
| 37 | 83422 | Driggs | 81 | B | 1 |
| 38 | 83435 | Monteview | 81 | B | 1 |
| 39 | 83448 | Sugar City | 81 | B | 1 |
| 40 | 83452 | Tetonia | 81 | B | 1 |
| 41 | 83341 | Kimberly | 80 | B | 3 |
| 42 | 83444 | Roberts | 80 | B | 3 |
| 43 | 83250 | Mccammon | 79 | B | 2 |
| 44 | 83347 | Paul | 79 | B | 2 |
| 45 | 83349 | Richfield | 79 | B | 2 |
| 46 | 83201 | Pocatello | 78 | B | 1 |
| 47 | 83204 | Pocatello | 78 | B | 1 |
| 48 | 83287 | Fish Haven | 78 | B | 1 |
| 49 | 83336 | Heyburn | 78 | B | 9 (2 health) |
| 50 | 83346 | Oakley | 78 | B | 30 (4 health) |
Overview
Idaho's 2nd District encompasses 165 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (67/100).
927 EPA violations have been recorded across this district's water systems. 159 are health-based violations. About 68% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule - 188 violations
- Combined Radium - 121 violations
- Revised Total Coliform Rule - 114 violations
- Stage 2 DBP Rule - 95 violations
- Stage 1 DBP Rule - 81 violations
Housing Context
Homes in this district were built on average around 1978 (~48 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
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 165 ZIP codes in Idaho's 2nd District.