Colorado — 3rd District
119th Congress · 160 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
100 ZIP codes tracked in Colorado's 3rd District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 81123 | Blanca | 83 | B | 0 |
| 2 | 81128 | Chromo | 83 | B | 0 |
| 3 | 81151 | Sanford | 83 | B | 0 |
| 4 | 81655 | Wolcott | 83 | B | 0 |
| 5 | 81658 | Vail | 83 | B | 0 |
| 6 | 81143 | Moffat | 82 | B | 7 (1 health) |
| 7 | 81129 | Conejos | 81 | B | 11 (2 health) |
| 8 | 81131 | Crestone | 81 | B | 10 (2 health) |
| 9 | 81134 | Garcia | 81 | B | 8 (2 health) |
| 10 | 81645 | Minturn | 81 | B | 1 |
| 11 | 81125 | Center | 80 | B | 7 |
| 12 | 81130 | Creede | 80 | B | 6 |
| 13 | 81235 | Lake City | 80 | B | 7 |
| 14 | 81124 | Capulin | 79 | B | 35 (2 health) |
| 15 | 81148 | Romeo | 79 | B | 30 (3 health) |
| 16 | 81132 | Del Norte | 78 | B | 7 |
| 17 | 81637 | Gypsum | 78 | B | 7 |
| 18 | 81657 | Vail | 78 | B | 0 |
| 19 | 81122 | Bayfield | 76 | B | 18 (2 health) |
| 20 | 81433 | Silverton | 76 | B | 5 |
| 21 | 81621 | Basalt | 75 | B | 6 |
| 22 | 81144 | Monte Vista | 72 | B | 958 (5 health) |
| 23 | 81649 | Red Cliff | 71 | B | 7 (3 health) |
| 24 | 81501 | Grand Junction | 70 | B | 0 |
| 25 | 81503 | Grand Junction | 70 | B | 0 |
| 26 | 81504 | Grand Junction | 70 | B | 0 |
| 27 | 81505 | Grand Junction | 70 | B | 0 |
| 28 | 81506 | Grand Junction | 70 | B | 0 |
| 29 | 81520 | Clifton | 70 | B | 0 |
| 30 | 81624 | Collbran | 70 | B | 0 |
| 31 | 81120 | Antonito | 69 | C | 37 |
| 32 | 81140 | La Jara | 69 | C | 17 |
| 33 | 81141 | Manassa | 69 | C | 21 |
| 34 | 81147 | Pagosa Springs | 69 | C | 68 |
| 35 | 81149 | Saguache | 69 | C | 20 |
| 36 | 81152 | San Luis | 69 | C | 19 |
| 37 | 81154 | South Fork | 69 | C | 178 |
| 38 | 81210 | Almont | 69 | C | 26 (1 health) |
| 39 | 81611 | Aspen | 69 | C | 18 |
| 40 | 81612 | Aspen | 69 | C | 18 |
| 41 | 81631 | Eagle | 69 | C | 103 |
| 42 | 81632 | Edwards | 69 | C | 15 (11 health) |
| 43 | 81082 | Trinidad | 68 | C | 34 (2 health) |
| 44 | 81427 | Ouray | 68 | C | 70 (2 health) |
| 45 | 81321 | Cortez | 66 | C | 18 (1 health) |
| 46 | 81502 | Grand Junction | 66 | C | 0 |
| 47 | 81641 | Meeker | 66 | C | 26 (4 health) |
| 48 | 81654 | Snowmass | 66 | C | 43 (1 health) |
| 49 | 81157 | Pagosa Springs | 65 | C | 68 |
| 50 | 81507 | Grand Junction | 65 | C | 0 |
Overview
Colorado's 3rd District serving an estimated 2,369,822 residents encompasses 160 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (57/100).
6077 EPA violations have been recorded across this district's water systems. 1020 are health-based violations. About 63% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- E. coli — 485 violations
- Gross Beta — 425 violations
- Lead and Copper Rule — 376 violations
- Fecal Coliform — 292 violations
- Gross Alpha — 257 violations
Housing Context
Homes in this district were built on average around 1982 (~44 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Lead Alert: 1 ZIP code in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
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 160 ZIP codes in Colorado's 3rd District.