Water Quality in WAUKESHA, WI (53188)

EPA violation data for public water systems serving ZIP code 53188.

425

Total Violations

378

Health-Based

47

Monitoring / Reporting

423

Resolved

What does this mean?

423 of 425 violations have been resolved. 378 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 47 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: 60 Population served: 75,445

Violations Detail (425 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/ASep 3, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/ASep 3, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/ASep 3, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/ASep 3, 2024ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Combined Radium (-226 and -228)Health-BasedN/A5.6Sep 30, 2023ResolvedN/A
Combined Radium (-226 and -228)Health-BasedN/A5.6Sep 30, 2023ResolvedN/A
Combined Radium (-226 and -228)Health-BasedN/A5.6Sep 30, 2023ResolvedN/A
Combined Radium (-226 and -228)Health-BasedN/A5.6Sep 30, 2023ResolvedN/A
Combined Radium (-226 and -228)Health-BasedN/A5.6Sep 30, 2023ResolvedN/A
Combined Radium (-226 and -228)Health-BasedN/A5.6Sep 30, 2023ResolvedN/A

Lead & Copper Levels

Violation Timeline

2024(4)

E. COLI

34

Sep 3Resolved

E. COLI

34

Sep 3Resolved

E. COLI

34

Sep 3Resolved

E. COLI

34

Sep 3Resolved

2023(58)

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Combined Radium (-226 and -228)

02

Sep 30Resolved

Public Notice

75

Sep 28Active

Public Notice

75

Sep 28Active

Public Notice

75

Sep 19Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Jun 30Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Gross Alpha, Excl. Radon and U

02

Mar 31Resolved

Gross Alpha, Excl. Radon and U

02

Mar 31Resolved

Gross Alpha, Excl. Radon and U

02

Mar 31Resolved

Gross Alpha, Excl. Radon and U

02

Mar 31Resolved

Gross Alpha, Excl. Radon and U

02

Mar 31Resolved

Gross Alpha, Excl. Radon and U

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Gross Alpha, Excl. Radon and U

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Combined Radium (-226 and -228)

02

Mar 31Resolved

Public Notice

75

Mar 5Resolved

How Does This Compare?

WAUKESHA (53188) has 425 recorded violations, including 378 health-based. 2 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.

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.

Nearby ZIP Codes

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