Water Quality in WATERTOWN, WI (53098)

EPA violation data for public water systems serving ZIP code 53098.

71

Total Violations

44

Health-Based

27

Monitoring / Reporting

70

Resolved

What does this mean?

70 of 71 violations have been resolved. 44 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 27 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.

Water systems: 14 Population served: 1,162

Violations Detail (71 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Public NoticeMonitoringN/AN/AJul 20, 2025ActiveN/A
1,1-DichloroethyleneMonitoringN/AN/AJun 30, 2025ResolvedN/A
TolueneMonitoringN/AN/AJun 30, 2025ResolvedN/A
TrichloroethyleneMonitoringN/AN/AJun 30, 2025ResolvedLiver problems; increased risk of cancer
1,2,4-TrichlorobenzeneMonitoringN/AN/AJun 30, 2025ResolvedN/A
Xylenes, TotalMonitoringN/AN/AJun 30, 2025ResolvedN/A
CHLOROBENZENEMonitoringN/AN/AJun 30, 2025ResolvedN/A
BenzeneMonitoringN/AN/AJun 30, 2025ResolvedAnemia; decrease in blood platelets; increased risk of cancer
1,2-DichloroethaneMonitoringN/AN/AJun 30, 2025ResolvedN/A
cis-1,2-DichloroethyleneMonitoringN/AN/AJun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(24)

Public Notice

75

Jul 20Active

1,1-Dichloroethylene

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Vinyl chloride

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

2024(5)

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

How Does This Compare?

WATERTOWN (53098) has 71 recorded violations, including 44 health-based. 1 remains 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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