Water Quality in ONEIDA, WI (54155)
EPA violation data for public water systems serving ZIP code 54155.
122
Total Violations
0
Health-Based
122
Monitoring / Reporting
115
Resolved
What does this mean?
115 of 122 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 122 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 (122 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Vinyl chloride | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | Increased risk of cancer |
| Toluene | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Carbofuran | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Benzene | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| Di(2-ethylhexyl) phthalate | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Simazine | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Chlordane | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(104)
Vinyl chloride
03
Toluene
03
Carbofuran
03
Toxaphene
03
Benzene
03
Di(2-ethylhexyl) phthalate
03
Endothall
03
1,1-Dichloroethylene
03
Simazine
03
Chlordane
03
Hexachlorocyclopentadiene
03
Heptachlor
03
2,3,7,8-TCDD
03
Di(2-ethylhexyl) adipate
03
trans-1,2-Dichloroethylene
03
Ethylbenzene
03
Dinoseb
03
2,4-D
03
Total Polychlorinated Biphenyls (PCB)
03
Pentachlorophenol
03
p-Dichlorobenzene
03
Heptachlor epoxide
03
1,1,2-Trichloroethane
03
1,2-Dichloropropane
03
2,4,5-TP
03
ETHYLENE DIBROMIDE
03
Benzo(a)pyrene
03
o-Dichlorobenzene
03
Xylenes, Total
03
Tetrachloroethylene
03
Diquat
03
Glyphosate
03
LASSO
03
BHC-GAMMA
03
1,2-Dichloroethane
03
DICHLOROMETHANE
03
Picloram
03
HEXACHLOROBENZENE
03
1,2-DIBROMO-3-CHLOROPROPANE
03
Atrazine
03
Dalapon
03
Trichloroethylene
03
cis-1,2-Dichloroethylene
03
Methoxychlor
03
OXAMYL
03
Styrene
03
1,1,1-Trichloroethane
03
Endrin
03
Carbon tetrachloride
03
1,2,4-Trichlorobenzene
03
CHLOROBENZENE
03
Benzene
03
1,2-Dichloroethane
03
Glyphosate
03
Diquat
03
Ethylbenzene
03
Methoxychlor
03
Heptachlor
03
Toluene
03
Toxaphene
03
Dalapon
03
Endothall
03
1,2-Dichloropropane
03
Xylenes, Total
03
Heptachlor epoxide
03
1,1-Dichloroethylene
03
2,4-D
03
2,4,5-TP
03
Simazine
03
1,1,2-Trichloroethane
03
ETHYLENE DIBROMIDE
03
p-Dichlorobenzene
03
1,2,4-Trichlorobenzene
03
Benzo(a)pyrene
03
HEXACHLOROBENZENE
03
Dinoseb
03
Picloram
03
2,3,7,8-TCDD
03
Trichloroethylene
03
Carbofuran
03
BHC-GAMMA
03
Atrazine
03
Hexachlorocyclopentadiene
03
Pentachlorophenol
03
trans-1,2-Dichloroethylene
03
Di(2-ethylhexyl) adipate
03
CHLOROBENZENE
03
Carbon tetrachloride
03
cis-1,2-Dichloroethylene
03
LASSO
03
Total Polychlorinated Biphenyls (PCB)
03
DICHLOROMETHANE
03
OXAMYL
03
Vinyl chloride
03
Tetrachloroethylene
03
Styrene
03
o-Dichlorobenzene
03
1,2-DIBROMO-3-CHLOROPROPANE
03
Endrin
03
Chlordane
03
Di(2-ethylhexyl) phthalate
03
1,1,1-Trichloroethane
03
Chlorine
27
Chlorine
27
2024(4)
Consumer Confidence Rule
72
Consumer Confidence Rule
72
Consumer Confidence Rule
72
Consumer Confidence Rule
72
How Does This Compare?
ONEIDA (54155) has 122 recorded violations, none of which are health-based. 7 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
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.