Neighborhood Report
Grade B
Norman, OK Neighborhood Water Quality — Grade B
6 ZIP codes · 192 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Norman, OK. We analyzed 6 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (81/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 2 | 33% |
| B | 4 | 67% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Norman ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 73019 | 87 | A | 32 | 0.0006 mg/L |
| 2 | 73070 | 85 | A | 32 | 0.0006 mg/L |
| 3 | 73026 | 80 | B | 32 | 0.0006 mg/L |
| 4 | 73069 | 80 | B | 32 | 0.0006 mg/L |
| 5 | 73071 | 80 | B | 32 | 0.0006 mg/L |
| 6 | 73072 | 75 | B | 32 | 0.0006 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 4 neighborhoods score worse than county average
EPA Violations
- 192 total violations across Norman
- 24 health-based violations
- 6 of 6 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Report Rule | 120 | 6 |
| Stage 2 DBP Rule | 24 | 6 |
| Total Trihalomethanes (TTHM) | 12 | 6 |
| Revised Total Coliform Rule | 12 | 6 |
| Arsenic | 6 | 6 |
Frequently Asked Questions
What is the safest neighborhood in Norman?
ZIP code 73019 has the highest safety score in Norman at 87/100 (grade A). Check the full report for details.
Is Norman water safe to drink?
Norman has an average water safety score of 81/100 (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.