Neighborhood Report
Grade C
Waterloo, IA Neighborhood Water Quality — Clean Compliance
4 ZIP codes · 0 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Waterloo, IA. We analyzed 4 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (61/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 1 | 25% |
| C | 3 | 75% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Waterloo ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 50704 | 70 | B | 0 | 0.0018 mg/L |
| 2 | 50702 | 60 | C | 0 | 0.0018 mg/L |
| 3 | 50703 | 60 | C | 0 | 0.0018 mg/L |
| 4 | 50701 | 55 | C | 0 | 0.0018 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 1 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
Frequently Asked Questions
What is the safest neighborhood in Waterloo?
ZIP code 50704 has the highest safety score in Waterloo at 70/100 (grade B). Check the full report for details.
Is Waterloo water safe to drink?
Waterloo has an average water safety score of 61/100 (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.