Water Quality in JOHNSON CREEK, WI (53038)
EPA violation data for public water systems serving ZIP code 53038.
28
Total Violations
1
Health-Based
27
Monitoring / Reporting
26
Resolved
What does this mean?
26 of 28 violations have been resolved. 1 is a health-based violation, 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.
Violations Detail (28 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Nitrate | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | May 31, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 16, 2024 | Active | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(3)
Nitrate
03
Revised Total Coliform Rule
3A
Lead and Copper Rule
52
2024(9)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
LEAD AND COPPER RULE REVISIONS
2E
Public Notice
75
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Consumer Confidence Rule
72
Consumer Confidence Rule
72
How Does This Compare?
JOHNSON CREEK (53038) has 28 recorded violations, including 1 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.
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
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.