CONGRESSIONAL DISTRICT CO

Colorado - 1st District

119th Congress · 54 ZIP codes · Avg score 65/100 · Grade C

Data: EPA SDWIS / Census 119th Congress

ZipCheckup's versioned Home Safety Profile covers 54 ZIP codes in Colorado's 1st District: the model 4.0.0 average is Grade C (65/100). 1,020 EPA violations on record, 4 health-based.

C
District Grade
65
Avg Safety Score
54
ZIP Codes
1020
Total Violations
4
Health Violations
12
Water Systems
Best ZIP: 80202 (66/100)
Lowest ZIP: 80236 (63/100)

Top Contaminants

Fecal Coliform (62) Combined Radium (30) Endrin (29) BHC-GAMMA (29) Methoxychlor (29)

ZIP Codes in This District

54 ZIP codes from Colorado's 1st District are listed below. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 80202 Denver 66 C 34
2 80203 Denver 66 C 34
3 80204 Denver 66 C 34
4 80205 Denver 66 C 34
5 80206 Denver 66 C 34
6 80207 Denver 66 C 34
7 80209 Denver 66 C 34
8 80211 Denver 66 C 34
9 80212 Denver 66 C 34
10 80218 Denver 66 C 34
11 80220 Denver 66 C 34
12 80222 Denver 66 C 34
13 80224 Denver 66 C 34
14 80230 Denver 66 C 34
15 80237 Denver 66 C 34
16 80238 Denver 66 C 34
17 80239 Denver 66 C 34
18 80247 Denver 66 C 34
19 80249 Denver 66 C 34
20 80264 Denver 66 C 34
21 80294 Denver 66 C 34
22 80246 Denver 65 C 35
23 80210 Denver 63 C 40 (1 health)
24 80216 Denver 63 C 43
25 80219 Denver 63 C 40 (1 health)
26 80223 Denver 63 C 40 (1 health)
27 80236 Denver 63 C 40 (1 health)
28 80208 Denver N/A N/A N/A
29 80217 Denver N/A N/A N/A
30 80243 Denver N/A N/A N/A
31 80244 Denver N/A N/A N/A
32 80248 Denver N/A N/A N/A
33 80250 Denver N/A N/A N/A
34 80251 Denver N/A N/A N/A
35 80252 Denver N/A N/A N/A
36 80256 Denver N/A N/A N/A
37 80257 Denver N/A N/A N/A
38 80259 Denver N/A N/A N/A
39 80261 Denver N/A N/A N/A
40 80262 Denver N/A N/A N/A
41 80263 Denver N/A N/A N/A
42 80265 Denver N/A N/A N/A
43 80266 Denver N/A N/A 34
44 80271 Denver N/A N/A N/A
45 80273 Denver N/A N/A N/A
46 80274 Denver N/A N/A N/A
47 80279 Denver N/A N/A N/A
48 80280 Denver N/A N/A N/A
49 80281 Denver N/A N/A N/A
50 80290 Denver N/A N/A 34

Overview

Colorado's 1st District encompasses 54 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (65/100).

1020 EPA violations have been recorded across this district's water systems. 4 are health-based violations. About 100% of the 29 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Fecal Coliform - 62 violations
  • Combined Radium - 30 violations
  • Endrin - 29 violations
  • BHC-GAMMA - 29 violations
  • Methoxychlor - 29 violations

Housing Context

Homes in this district were built on average around 1975 (~51 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 54 ZIP codes in Colorado's 1st District.

← Back to Colorado overview

How to cite this page

APA ZipCheckup. (2026). Colorado 1st District: 1020 Recorded Water-System Violations - Model Grade C. https://zipcheckup.com/congressional/co-1/
BibTeX
@misc{zipcheckup-congressional-co-1,
  author = {{ZipCheckup}},
  title  = {{Colorado 1st District: 1020 Recorded Water-System Violations - Model Grade C}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/co-1/}
}

Page version: October 2026.

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