Water Quality in FREDONIA, WI (53021)
EPA violation data for public water systems serving ZIP code 53021.
24
Total Violations
5
Health-Based
19
Monitoring / Reporting
24
Resolved
What does this mean?
24 of 24 violations have been resolved. 5 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 19 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 (24 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 2, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 2, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Diquat | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Diquat | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(8)
Revised Total Coliform Rule
3B
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
2022(16)
Diquat
03
Diquat
03
Diquat
03
Diquat
03
Diquat
03
Diquat
03
Diquat
03
Diquat
03
Endothall
03
Endothall
03
Endothall
03
Endothall
03
Endothall
03
Endothall
03
Endothall
03
Endothall
03
How Does This Compare?
FREDONIA (53021) has 24 recorded violations, including 5 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.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.