Neighborhood Report
Grade F
Watertown, WI Neighborhood Water Quality — Grade F
2 ZIP codes · 18 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Watertown, WI. We analyzed 2 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade F (28/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 2 | 100% |
Neighborhood Rankings
Every ZIP code in Watertown ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 53094 | 28 | F | 9 | 0.0150 mg/L |
| 2 | 53098 | 28 | F | 9 | 0.0150 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 0 neighborhoods score better than county average
- 2 neighborhoods score worse than county average
EPA Violations
- 18 total violations across Watertown
- 6 health-based violations
- 2 of 2 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Gross Beta | 4 | 2 |
| Lead and Copper Rule | 4 | 2 |
| Total Trihalomethanes (TTHM) | 2 | 2 |
| Tribromoacetic Acid | 2 | 2 |
| Stage 1 DBP Rule | 2 | 2 |
Frequently Asked Questions
What is the safest neighborhood in Watertown?
ZIP code 53094 has the highest safety score in Watertown at 28/100 (grade F). Check the full report for details.
Is Watertown water safe to drink?
Watertown has an average water safety score of 28/100 (F). 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.