Columbia, SC Neighborhood Water Quality — Grade A
34 ZIP codes · 170 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Columbia, SC. We analyzed 34 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (88/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 26 | 76% |
| B | 8 | 24% |
| 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 | 29208 | 93 | A | 5 | 0.0050 mg/L |
| 2 | 29211 | 93 | A | 5 | 0.0050 mg/L |
| 3 | 29216 | 93 | A | 5 | 0.0050 mg/L |
| 4 | 29217 | 93 | A | 5 | 0.0050 mg/L |
| 5 | 29218 | 93 | A | 5 | 0.0050 mg/L |
| 6 | 29219 | 93 | A | 5 | 0.0050 mg/L |
| 7 | 29220 | 93 | A | 5 | 0.0050 mg/L |
| 8 | 29224 | 93 | A | 5 | 0.0050 mg/L |
| 9 | 29225 | 93 | A | 5 | 0.0050 mg/L |
| 10 | 29226 | 93 | A | 5 | 0.0050 mg/L |
| 11 | 29227 | 93 | A | 5 | 0.0050 mg/L |
| 12 | 29240 | 93 | A | 5 | 0.0050 mg/L |
| 13 | 29250 | 93 | A | 5 | 0.0050 mg/L |
| 14 | 29290 | 93 | A | 5 | 0.0050 mg/L |
| 15 | 29292 | 93 | A | 5 | 0.0050 mg/L |
| 16 | 29202 | 90 | A | 5 | 0.0050 mg/L |
| 17 | 29207 | 90 | A | 5 | 0.0050 mg/L |
| 18 | 29214 | 90 | A | 5 | 0.0050 mg/L |
| 19 | 29215 | 90 | A | 5 | 0.0050 mg/L |
| 20 | 29221 | 90 | A | 5 | 0.0050 mg/L |
| 21 | 29222 | 90 | A | 5 | 0.0050 mg/L |
| 22 | 29228 | 90 | A | 5 | 0.0050 mg/L |
| 23 | 29230 | 90 | A | 5 | 0.0050 mg/L |
| 24 | 29260 | 90 | A | 5 | 0.0050 mg/L |
| 25 | 29201 | 85 | A | 5 | 0.0050 mg/L |
| 26 | 29229 | 85 | A | 5 | 0.0050 mg/L |
| 27 | 29203 | 80 | B | 5 | 0.0050 mg/L |
| 28 | 29204 | 80 | B | 5 | 0.0050 mg/L |
| 29 | 29209 | 80 | B | 5 | 0.0050 mg/L |
| 30 | 29212 | 80 | B | 5 | 0.0050 mg/L |
| 31 | 29223 | 80 | B | 5 | 0.0050 mg/L |
| 32 | 29205 | 75 | B | 5 | 0.0050 mg/L |
| 33 | 29206 | 75 | B | 5 | 0.0050 mg/L |
| 34 | 29210 | 75 | B | 5 | 0.0050 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 24 neighborhoods score better than county average
- 10 neighborhoods score worse than county average
EPA Violations
- 170 total violations across Columbia
- 68 health-based violations
- 34 of 34 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Surface Water Treatment Rule | 68 | 34 |
| Contaminant 1009 | 34 | 34 |
| Stage 1 DBP Rule | 34 | 34 |
| Consumer Confidence Report Rule | 34 | 34 |
Frequently Asked Questions
What is the safest neighborhood in Columbia?
ZIP code 29208 has the highest safety score in Columbia at 93/100 (grade A). Check the full report for details.
Is Columbia water safe to drink?
Columbia has an average water safety score of 88/100 (A). 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.