Neighborhood Report
Grade B
Columbia, MO Neighborhood Water Quality — Grade B
11 ZIP codes · 11 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
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.