Neighborhood Report
Grade C
Littleton, CO Neighborhood Water Quality — Clean Compliance
16 ZIP codes · 0 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Littleton, CO. We analyzed 16 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (68/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 7 | 44% |
| C | 9 | 56% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Littleton ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 80121 | 70 | B | 0 | 0.0050 mg/L |
| 2 | 80125 | 70 | B | 0 | 0.0050 mg/L |
| 3 | 80126 | 70 | B | 0 | 0.0050 mg/L |
| 4 | 80127 | 70 | B | 0 | 0.0050 mg/L |
| 5 | 80128 | 70 | B | 0 | 0.0050 mg/L |
| 6 | 80129 | 70 | B | 0 | 0.0050 mg/L |
| 7 | 80130 | 70 | B | 0 | 0.0050 mg/L |
| 8 | 80160 | 66 | C | 0 | 0.0050 mg/L |
| 9 | 80161 | 66 | C | 0 | 0.0050 mg/L |
| 10 | 80162 | 66 | C | 0 | 0.0050 mg/L |
| 11 | 80163 | 66 | C | 0 | 0.0050 mg/L |
| 12 | 80165 | 66 | C | 0 | 0.0050 mg/L |
| 13 | 80166 | 66 | C | 0 | 0.0050 mg/L |
| 14 | 80120 | 65 | C | 0 | 0.0050 mg/L |
| 15 | 80122 | 65 | C | 0 | 0.0050 mg/L |
| 16 | 80123 | 65 | C | 0 | 0.0050 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 16 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
Frequently Asked Questions
What is the safest neighborhood in Littleton?
ZIP code 80121 has the highest safety score in Littleton at 70/100 (grade B). Check the full report for details.
Is Littleton water safe to drink?
Littleton has an average water safety score of 68/100 (C). 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.