Water Quality in La Crosse, WI (54661)
EPA violation data for public water systems serving ZIP code 54661.
No Health-Based Violations
None of the 17 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There is1 monitoring/reporting violation (missed testing deadlines), all resolved.
Better than 29% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,806
Population
17
Water Systems
1
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (17)
La Crosse Waterworks
All resolvedOnalaska Waterworks
Trempealeau Waterworks
Eckers Apple Farm
Trempealeau Campground
Jailhouse Saloon
Kermit Traska
Four Corners
Chets Landing 1
Lake Road Cmpgrnd
Wildlife Refuge
Chets Landing 2
Terrys Service
Trempealeau Mountain Golf Club
Trempealeau Campground-Duplicate
Elmaro Vineyard
Trempealeau National Wildlife Refuge
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jun 2025
How Does This Compare?
La Crosse (54661) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.