Water Quality in JEFFERSON, WI (54549)
EPA violation data for public water systems serving ZIP code 54549.
37
Total Violations
35
Health-Based
2
Monitoring / Reporting
37
Resolved
What does this mean?
37 of 37 violations have been resolved. 35 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 2 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (37 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6.83 | Mar 31, 2024 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6.83 | Mar 31, 2024 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6.83 | Mar 31, 2024 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6.83 | Mar 31, 2024 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 6.83 | Mar 31, 2024 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 7.05 | Dec 31, 2023 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 7.05 | Dec 31, 2023 | Resolved | N/A |
| Combined Radium (-226 and -228) | Health-Based | N/A | 7.05 | Dec 31, 2023 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(7)
Lead and Copper Rule
66
Lead and Copper Rule
66
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
2023(20)
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
Combined Radium (-226 and -228)
02
How Does This Compare?
JEFFERSON (54549) has 37 recorded violations, including 35 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.