Decatur, IL Neighborhood Water Quality — Grade C
6 ZIP codes · 12 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Decatur, IL. We analyzed 6 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (55/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 4 | 67% |
| D | 2 | 33% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Decatur ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 62525 | 61 | C | 2 | 0.0077 mg/L |
| 2 | 62521 | 56 | C | 2 | 0.0077 mg/L |
| 3 | 62523 | 55 | C | 2 | 0.0077 mg/L |
| 4 | 62524 | 55 | C | 2 | 0.0077 mg/L |
| 5 | 62522 | 51 | D | 2 | 0.0077 mg/L |
| 6 | 62526 | 51 | D | 2 | 0.0077 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 1 neighborhoods score better than county average
- 5 neighborhoods score worse than county average
EPA Violations
- 12 total violations across Decatur
- 0 health-based violations
- 6 of 6 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Contaminant 1009 | 6 | 6 |
| Surface Water Treatment Rule | 6 | 6 |
Frequently Asked Questions
What is the safest neighborhood in Decatur?
ZIP code 62525 has the highest safety score in Decatur at 61/100 (grade C). Check the full report for details.
Is Decatur water safe to drink?
Decatur has an average water safety score of 55/100 (C). 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.