Cheyenne, WY Neighborhood Water Quality — Grade F
8 ZIP codes · 48 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Cheyenne, WY. We analyzed 8 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade F (35/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 0 | 0% |
| D | 1 | 13% |
| F | 7 | 88% |
Neighborhood Rankings
Every ZIP code in Cheyenne ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 82003 | 44 | D | 6 | 0.0150 mg/L |
| 2 | 82007 | 39 | F | 6 | 0.0150 mg/L |
| 3 | 82001 | 34 | F | 6 | 0.0150 mg/L |
| 4 | 82009 | 34 | F | 6 | 0.0150 mg/L |
| 5 | 82002 | 32 | F | 6 | 0.0150 mg/L |
| 6 | 82006 | 32 | F | 6 | 0.0150 mg/L |
| 7 | 82008 | 32 | F | 6 | 0.0150 mg/L |
| 8 | 82010 | 32 | F | 6 | 0.0150 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 1 neighborhoods score better than county average
- 7 neighborhoods score worse than county average
EPA Violations
- 48 total violations across Cheyenne
- 8 health-based violations
- 8 of 8 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Total Trihalomethanes (TTHM) | 16 | 8 |
| Surface Water Treatment Rule | 8 | 8 |
| Consumer Confidence Report Rule | 8 | 8 |
| E. coli | 8 | 8 |
| Contaminant 0700 | 8 | 8 |
Frequently Asked Questions
What is the safest neighborhood in Cheyenne?
ZIP code 82003 has the highest safety score in Cheyenne at 44/100 (grade D). Check the full report for details.
Is Cheyenne water safe to drink?
Cheyenne has an average water safety score of 35/100 (F). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.