CONGRESSIONAL DISTRICT IA

Iowa - 1st District

119th Congress · 230 ZIP codes · Avg score 60/100 · Grade C · Updated N/A

Data: EPA SDWIS / Census 119th Congress Last verified: N/A

ZipCheckup's versioned Home Safety Profile covers 230 ZIP codes in Iowa's 1st District: the measured model 4.0.0 average is Grade C (60/100). 158 EPA violations on record, 4 health-based.

C
District Grade
60
Avg Safety Score
230
ZIP Codes
158
Total Violations
4
Health Violations
80
Water Systems
Best ZIP: 50054 (67/100)
Lowest ZIP: 52722 (45/100)

Top Contaminants

Consumer Confidence Report Rule (37) Lead and Copper Rule (34) Surface Water Treatment Rule (19) Copper (16) Lead (13)

ZIP Codes in This District

100 ZIP codes tracked in Iowa's 1st District. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 50054 Colfax 67 C 0
2 52241 Coralville 67 C 0
3 52242 Iowa City 67 C 0
4 52535 Birmingham 67 C 0
5 52542 Cantril 67 C 0
6 52551 Douds 67 C 0
7 52565 Keosauqua 67 C 0
8 52570 Milton 67 C 0
9 52573 Mount Sterling 67 C 0
10 52588 Selma 67 C 0
11 52620 Bonaparte 67 C 0
12 52626 Farmington 67 C 0
13 52651 Stockport 67 C 0
14 52730 Camanche 67 C 0
15 52742 De Witt 67 C 0
16 52776 West Liberty 67 C 0
17 52778 Wilton 67 C 0
18 52317 North Liberty 66 C 3
19 52748 Eldridge 66 C 1
20 52246 Iowa City 63 C 8
21 52245 Iowa City 62 C 10
22 52240 Iowa City 57 C 20
23 52732 Clinton 50 D 0
24 52761 Muscatine 50 D 1
25 52801 Davenport 50 D 0
26 52802 Davenport 50 D 0
27 52803 Davenport 50 D 0
28 52804 Davenport 50 D 0
29 52806 Davenport 50 D 1
30 52807 Davenport 50 D 0
31 52753 Le Claire 49 D 2 (1 health)
32 52726 Blue Grass 48 D 4
33 52722 Bettendorf 45 D 15
34 50001 Ackworth N/A N/A 2
35 50027 Barnes City N/A N/A N/A
36 50028 Baxter N/A N/A N/A
37 50044 Bussey N/A N/A 2
38 50047 Carlisle N/A N/A 5
39 50057 Columbia N/A N/A 2
40 50061 Cumming N/A N/A 0
41 50062 Melcher-dallas N/A N/A 2
42 50104 Gibson N/A N/A N/A
43 50116 Hamilton N/A N/A 2
44 50118 Hartford N/A N/A 2
45 50119 Harvey N/A N/A 2
46 50125 Indianola N/A N/A 2
47 50127 Ira N/A N/A N/A
48 50135 Kellogg N/A N/A N/A
49 50136 Keswick N/A N/A N/A
50 50137 Killduff N/A N/A N/A

Overview

Iowa's 1st District encompasses 230 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (60/100).

158 EPA violations have been recorded across this district's water systems. 4 are health-based violations. About 39% of the 124 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Consumer Confidence Report Rule - 37 violations
  • Lead and Copper Rule - 34 violations
  • Surface Water Treatment Rule - 19 violations
  • Copper - 16 violations
  • Lead - 13 violations

Housing Context

Homes in this district were built on average around 1958 (~68 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.

Data Sources

Updated daily. Data covers 230 ZIP codes in Iowa's 1st District.

← Back to Iowa overview

How to cite this page

APA ZipCheckup. (2026). Iowa 1st District: 158 EPA Violations - C. https://zipcheckup.com/congressional/ia-1/
BibTeX
@misc{zipcheckup-congressional-ia-1,
  author = {{ZipCheckup}},
  title  = {{Iowa 1st District: 158 EPA Violations - C}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/ia-1/}
}

Page version: August 2026.

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