Columbia, SC Neighborhood Water Quality - Grade A
34 ZIP codes · 170 EPA violations
Data source: EPA SDWIS Last verified: 2026-07-19
ZipCheckup compares 34 ZIP codes across Columbia, SC. The area averages a grade A (88/100); 34 ZIP codes carry recorded EPA violations.
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.