Littleton, CO Neighborhood Water Quality - Clean Compliance
16 ZIP codes · 0 EPA violations
Data source: EPA SDWIS Last verified: 2026-07-19
ZipCheckup compares 16 ZIP codes across Littleton, CO. The area averages a grade C (68/100); 0 ZIP codes carry recorded EPA violations.
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.