Iowa — 3rd District
119th Congress · 223 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 223 ZIP codes in Iowa's 3rd District: the district earns a grade C (57/100). 546 EPA violations on record, 18 health-based.
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Iowa's 3rd District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 50020 | Anita | 70 | B | 1 |
| 2 | 50032 | Berwick | 70 | B | 0 |
| 3 | 50035 | Bondurant | 70 | B | 0 |
| 4 | 50063 | Dallas Center | 70 | B | 1 |
| 5 | 50072 | Earlham | 70 | B | 0 |
| 6 | 50115 | Guthrie Center | 70 | B | 0 |
| 7 | 50129 | Jefferson | 70 | B | 0 |
| 8 | 50220 | Perry | 70 | B | 0 |
| 9 | 50233 | Redfield | 70 | B | 0 |
| 10 | 50266 | West Des Moines | 70 | B | 0 |
| 11 | 50273 | Winterset | 70 | B | 0 |
| 12 | 50833 | Bedford | 70 | B | 0 |
| 13 | 50841 | Corning | 70 | B | 1 |
| 14 | 51601 | Shenandoah | 70 | B | 0 |
| 15 | 51632 | Clarinda | 70 | B | 0 |
| 16 | 52530 | Agency | 70 | B | 0 |
| 17 | 50039 | Bouton | 69 | C | 5 (1 health) |
| 18 | 50169 | Mitchellville | 69 | C | 3 (1 health) |
| 19 | 50216 | Panora | 69 | C | 3 |
| 20 | 50238 | Russell | 68 | C | 4 |
| 21 | 50261 | Van Meter | 68 | C | 1 |
| 22 | 50111 | Grimes | 67 | C | 4 |
| 23 | 50048 | Casey | 66 | C | 0 |
| 24 | 50049 | Chariton | 66 | C | 0 |
| 25 | 50050 | Churdan | 66 | C | 1 |
| 26 | 50070 | Dexter | 66 | C | 2 |
| 27 | 50103 | Garden Grove | 66 | C | 0 |
| 28 | 50109 | Granger | 66 | C | 3 |
| 29 | 50150 | Lovilia | 66 | C | 0 |
| 30 | 50174 | Murray | 66 | C | 0 |
| 31 | 50226 | Polk City | 66 | C | 0 |
| 32 | 50243 | Sheldahl | 66 | C | 1 |
| 33 | 50250 | Stuart | 66 | C | 0 |
| 34 | 50277 | Yale | 66 | C | 0 |
| 35 | 50320 | Des Moines | 66 | C | 6 |
| 36 | 50843 | Cumberland | 66 | C | 0 |
| 37 | 50846 | Fontanelle | 66 | C | 0 |
| 38 | 50849 | Greenfield | 66 | C | 0 |
| 39 | 50851 | Lenox | 66 | C | 0 |
| 40 | 50858 | Orient | 66 | C | 0 |
| 41 | 51602 | Shenandoah | 66 | C | 0 |
| 42 | 51603 | Shenandoah | 66 | C | 0 |
| 43 | 51631 | Braddyville | 66 | C | 0 |
| 44 | 51636 | Coin | 66 | C | 0 |
| 45 | 51638 | Essex | 66 | C | 0 |
| 46 | 52537 | Bloomfield | 66 | C | 0 |
| 47 | 52538 | Bloomfield | 66 | C | 0 |
| 48 | 52544 | Centerville | 66 | C | 0 |
| 49 | 52549 | Cincinnati | 66 | C | 0 |
| 50 | 52571 | Moravia | 66 | C | 0 |
Overview
Iowa's 3rd District encompasses 223 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (57/100).
546 EPA violations have been recorded across this district's water systems. 18 are health-based violations. About 50% 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 - 142 violations
- Lead and Copper Rule - 79 violations
- Total Trihalomethanes (TTHM) - 74 violations
- Haloacetic Acids (HAA5) - 70 violations
- Copper - 22 violations
Housing Context
Homes in this district were built on average around 1954 (~72 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
Lead Alert: 2 ZIP codes 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 223 ZIP codes in Iowa's 3rd District.