Colorado — 7th District
119th Congress · 74 ZIP codes · Avg score 58/100 · Grade C · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 74 ZIP codes in Colorado's 7th District: the district earns a grade C (58/100). 544 EPA violations on record, 67 health-based.
Top Contaminants
ZIP Codes in This District
74 ZIP codes tracked in Colorado's 7th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 80127 | Littleton | 70 | B | 0 |
| 2 | 80021 | Broomfield | 69 | C | 2 (1 health) |
| 3 | 80227 | Denver | 69 | C | 3 |
| 4 | 80228 | Denver | 69 | C | 3 |
| 5 | 80232 | Denver | 69 | C | 3 |
| 6 | 80403 | Golden | 69 | C | 2 |
| 7 | 80421 | Bailey | 69 | C | 19 (1 health) |
| 8 | 80425 | Buffalo Creek | 69 | C | 8 (1 health) |
| 9 | 80433 | Conifer | 69 | C | 4 (1 health) |
| 10 | 81201 | Salida | 69 | C | 33 (1 health) |
| 11 | 81211 | Buena Vista | 68 | C | 5 |
| 12 | 80007 | Arvada | 66 | C | 5 |
| 13 | 80162 | Littleton | 66 | C | 0 |
| 14 | 80816 | Florissant | 66 | C | 82 (4 health) |
| 15 | 81221 | Coal Creek | 66 | C | 0 |
| 16 | 81226 | Florence | 66 | C | 17 (1 health) |
| 17 | 81242 | Poncha Springs | 66 | C | 2 (1 health) |
| 18 | 80038 | Broomfield | 65 | C | 2 (1 health) |
| 19 | 80123 | Littleton | 65 | C | 0 |
| 20 | 80225 | Denver | 65 | C | 3 |
| 21 | 80235 | Denver | 65 | C | 3 |
| 22 | 80402 | Golden | 65 | C | 2 |
| 23 | 80419 | Golden | 65 | C | 2 |
| 24 | 80020 | Broomfield | 64 | C | 2 (1 health) |
| 25 | 80215 | Denver | 64 | C | 3 |
| 26 | 80226 | Denver | 64 | C | 3 |
| 27 | 80401 | Golden | 64 | C | 2 |
| 28 | 80440 | Fairplay | 64 | C | 16 (2 health) |
| 29 | 80813 | Cripple Creek | 64 | C | 4 |
| 30 | 80827 | Lake George | 64 | C | 18 (2 health) |
| 31 | 81240 | Penrose | 64 | C | 2 |
| 32 | 80420 | Alma | 63 | C | 4 |
| 33 | 81215 | Canon City | 63 | C | 7 |
| 34 | 81236 | Nathrop | 63 | C | 3 |
| 35 | 81253 | Wetmore | 63 | C | 4 |
| 36 | 80001 | Arvada | 62 | C | 5 |
| 37 | 80006 | Arvada | 62 | C | 5 |
| 38 | 80454 | Indian Hills | 62 | C | 4 |
| 39 | 81244 | Rockvale | 62 | C | 6 |
| 40 | 80002 | Arvada | 61 | C | 5 |
| 41 | 80003 | Arvada | 61 | C | 5 |
| 42 | 80004 | Arvada | 61 | C | 5 |
| 43 | 80005 | Arvada | 61 | C | 5 |
| 44 | 81290 | Florence | 61 | C | 17 (1 health) |
| 45 | 80814 | Divide | 60 | C | 20 (2 health) |
| 46 | 80214 | Denver | 59 | C | 3 |
| 47 | 80863 | Woodland Park | 59 | C | 12 (8 health) |
| 48 | 81212 | Canon City | 57 | C | 7 |
| 49 | 80461 | Leadville | 56 | C | 26 |
| 50 | 80465 | Morrison | 56 | C | 10 |
Overview
Colorado's 7th District encompasses 74 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (58/100).
544 EPA violations have been recorded across this district's water systems. 67 are health-based violations. About 72% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Fecal Coliform - 95 violations
- E. coli - 85 violations
- Stage 1 DBP Rule - 59 violations
- Consumer Confidence Report Rule - 49 violations
- Total Trihalomethanes (TTHM) - 44 violations
Housing Context
Homes in this district were built on average around 1983 (~43 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
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 74 ZIP codes in Colorado's 7th District.