Iowa - 4th District
119th Congress · 357 ZIP codes · Avg score 62/100 · Grade C · Updated N/A
Data: EPA SDWIS / Census 119th Congress Last verified: N/A
ZipCheckup's versioned Home Safety Profile covers 357 ZIP codes in Iowa's 4th District: the measured model 4.0.0 average is Grade C (62/100). 119 EPA violations on record, 14 health-based.
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Iowa's 4th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 50523 | Callender | 67 | C | 0 |
| 2 | 50530 | Dayton | 67 | C | 0 |
| 3 | 50532 | Duncombe | 67 | C | 0 |
| 4 | 50536 | Emmetsburg | 67 | C | 0 |
| 5 | 50543 | Gowrie | 67 | C | 0 |
| 6 | 50544 | Harcourt | 67 | C | 0 |
| 7 | 50557 | Lehigh | 67 | C | 0 |
| 8 | 50566 | Moorland | 67 | C | 0 |
| 9 | 50569 | Otho | 67 | C | 0 |
| 10 | 51501 | Council Bluffs | 67 | C | 0 |
| 11 | 51503 | Council Bluffs | 67 | C | 0 |
| 12 | 51534 | Glenwood | 67 | C | 0 |
| 13 | 51576 | Underwood | 67 | C | 0 |
| 14 | 51054 | Sergeant Bluff | 66 | C | 2 |
| 15 | 51521 | Avoca | 66 | C | 1 |
| 16 | 51577 | Walnut | 66 | C | 1 |
| 17 | 50501 | Fort Dodge | 64 | C | 8 |
| 18 | 51510 | Carter Lake | 61 | C | 10 |
| 19 | 51101 | Sioux City | 49 | D | 2 |
| 20 | 51103 | Sioux City | 49 | D | 2 |
| 21 | 51104 | Sioux City | 49 | D | 2 |
| 22 | 51105 | Sioux City | 49 | D | 2 |
| 23 | 51106 | Sioux City | 49 | D | 2 |
| 24 | 51108 | Sioux City | 49 | D | 2 |
| 25 | 50005 | Albion | N/A | N/A | N/A |
| 26 | 50010 | Ames | N/A | N/A | 4 |
| 27 | 50011 | Ames | N/A | N/A | N/A |
| 28 | 50012 | Ames | N/A | N/A | 2 |
| 29 | 50013 | Ames | N/A | N/A | 2 |
| 30 | 50014 | Ames | N/A | N/A | 5 (1 health) |
| 31 | 50025 | Audubon | N/A | N/A | 0 |
| 32 | 50031 | Beaver | N/A | N/A | N/A |
| 33 | 50034 | Blairsburg | N/A | N/A | 0 |
| 34 | 50036 | Boone | N/A | N/A | 3 (3 health) |
| 35 | 50037 | Boone | N/A | N/A | N/A |
| 36 | 50040 | Boxholm | N/A | N/A | N/A |
| 37 | 50041 | Bradford | N/A | N/A | N/A |
| 38 | 50042 | Brayton | N/A | N/A | N/A |
| 39 | 50046 | Cambridge | N/A | N/A | 0 |
| 40 | 50051 | Clemons | N/A | N/A | N/A |
| 41 | 50055 | Collins | N/A | N/A | N/A |
| 42 | 50056 | Colo | N/A | N/A | N/A |
| 43 | 50058 | Coon Rapids | N/A | N/A | 0 |
| 44 | 50071 | Dows | N/A | N/A | N/A |
| 45 | 50075 | Ellsworth | N/A | N/A | 0 |
| 46 | 50076 | Exira | N/A | N/A | N/A |
| 47 | 50078 | Ferguson | N/A | N/A | N/A |
| 48 | 50099 | Boone | N/A | N/A | N/A |
| 49 | 50101 | Galt | N/A | N/A | N/A |
| 50 | 50105 | Gilbert | N/A | N/A | 2 |
Overview
Iowa's 4th District encompasses 357 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (62/100).
119 EPA violations have been recorded across this district's water systems. 14 are health-based violations. About 30% of the 118 ZIP records with a reported violation count have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Total Trihalomethanes (TTHM) - 23 violations
- Haloacetic Acids (HAA5) - 23 violations
- Consumer Confidence Report Rule - 16 violations
- Copper - 11 violations
- Stage 1 DBP Rule - 11 violations
Housing Context
Homes in this district were built on average around 1946 (~80 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
Data Sources
- Home Safety Score model 4.0.0: methodology and source contracts
- 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 357 ZIP codes in Iowa's 4th District.