Columbia, MO Neighborhood Water Quality - Grade B
11 ZIP codes · 11 EPA violations
Data source: EPA SDWIS Last verified: 2026-07-19
ZipCheckup compares 11 ZIP codes across Columbia, MO. The area averages a grade B (81/100); 11 ZIP codes carry recorded EPA violations.
Water quality varies significantly across Columbia, MO. We analyzed 11 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (81/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 11 | 100% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Columbia ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 65205 | 83 | B | 1 | 0.0021 mg/L |
| 2 | 65211 | 83 | B | 1 | 0.0021 mg/L |
| 3 | 65212 | 83 | B | 1 | 0.0021 mg/L |
| 4 | 65215 | 83 | B | 1 | 0.0021 mg/L |
| 5 | 65216 | 83 | B | 1 | 0.0021 mg/L |
| 6 | 65217 | 83 | B | 1 | 0.0021 mg/L |
| 7 | 65218 | 83 | B | 1 | 0.0021 mg/L |
| 8 | 65299 | 83 | B | 1 | 0.0021 mg/L |
| 9 | 65201 | 78 | B | 1 | 0.0021 mg/L |
| 10 | 65202 | 78 | B | 1 | 0.0021 mg/L |
| 11 | 65203 | 73 | B | 1 | 0.0021 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 10 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 11 total violations across Columbia
- 0 health-based violations
- 11 of 11 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Stage 1 DBP Rule | 11 | 11 |
Frequently Asked Questions
What is the safest neighborhood in Columbia?
ZIP code 65205 has the highest safety score in Columbia at 83/100 (grade B). Check the full report for details.
Is Columbia water safe to drink?
Columbia has an average water safety score of 81/100 (B). 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.