Water Quality in MEDFORD, WI (54451)
EPA violation data for public water systems serving ZIP code 54451.
133
Total Violations
2
Health-Based
131
Monitoring / Reporting
130
Resolved
What does this mean?
130 of 133 violations have been resolved. 2 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 131 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 (133 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 8, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 8, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 8, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(5)
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2024(105)
1,2,4-Trichlorobenzene
03
DICHLOROMETHANE
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
Benzene
03
Benzene
03
Benzene
03
Benzene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Vinyl chloride
03
1,2,4-Trichlorobenzene
03
Vinyl chloride
03
Vinyl chloride
03
Styrene
03
Styrene
03
Styrene
03
Styrene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Toluene
03
Toluene
03
Toluene
03
Toluene
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
Xylenes, Total
03
Xylenes, Total
03
Xylenes, Total
03
Xylenes, Total
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
Trichloroethylene
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Vinyl chloride
03
Groundwater Rule
05
Groundwater Rule
05
Public Notice
75
Groundwater Rule
45
Groundwater Rule
45
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Public Notice
75
Groundwater Rule
05
Groundwater Rule
05
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
Revised Total Coliform Rule
4F
How Does This Compare?
MEDFORD (54451) has 133 recorded violations, including 2 health-based. 3 remain unresolved. 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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
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.