CONGRESSIONAL DISTRICT CO

Colorado - 1st District

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

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

ZipCheckup's versioned Home Safety Profile covers 54 ZIP codes in Colorado's 1st District: the measured 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
Denver
Best ZIP: 80202 (66/100)
Denver
Lowest ZIP: 80236 (63/100)

Top Contaminants

Fecal Coliform (62) Combined Radium (30) Contaminant 2005 (29) Contaminant 2010 (29) Contaminant 2015 (29)

ZIP Codes in This District

54 ZIP codes tracked in Colorado's 1st District. 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
  • Contaminant 2005 - 29 violations
  • Contaminant 2010 - 29 violations
  • Contaminant 2015 - 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 EPA Violations - C. https://zipcheckup.com/congressional/co-1/
BibTeX 
@misc{zipcheckup-congressional-co-1,
  author = {{ZipCheckup}},
  title  = {{Colorado 1st District: 1020 EPA Violations - C}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/co-1/}
}

Page version: August 2026.

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