Decatur, GA Neighborhood Water Quality — Grade B
9 ZIP codes · 9 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Decatur, GA. We analyzed 9 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (79/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 3 | 33% |
| B | 5 | 56% |
| C | 1 | 11% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Decatur ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 30031 | 86 | A | 1 | 0.0055 mg/L |
| 2 | 30036 | 86 | A | 1 | 0.0055 mg/L |
| 3 | 30037 | 86 | A | 1 | 0.0055 mg/L |
| 4 | 30035 | 81 | B | 1 | 0.0055 mg/L |
| 5 | 30030 | 76 | B | 1 | 0.0055 mg/L |
| 6 | 30032 | 76 | B | 1 | 0.0055 mg/L |
| 7 | 30034 | 76 | B | 1 | 0.0055 mg/L |
| 8 | 30033 | 71 | B | 1 | 0.0055 mg/L |
| 9 | 30073 | 69 | C | 1 | 0.0055 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 9 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 9 total violations across Decatur
- 0 health-based violations
- 9 of 9 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Surface Water Treatment Rule | 9 | 9 |
Frequently Asked Questions
What is the safest neighborhood in Decatur?
ZIP code 30031 has the highest safety score in Decatur at 86/100 (grade A). Check the full report for details.
Is Decatur water safe to drink?
Decatur has an average water safety score of 79/100 (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.