Water Quality in Merrill, WI (54435)
EPA violation data for public water systems serving ZIP code 54435.
Past Health-Based Violations
2 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 14 monitoring/reporting violations.
More violations than 75% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,122
Population
26
Water Systems
16
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (26)
Merrill Waterworks
Gleason Mennonite Church & School
Riverview Country Club Proshop
Great Northern Campground
Mas Place
Luther Memorial Lutheran Church
Honey And Cream
Red Barn Meats
Low Places
Riverside Presbyterian Church
Boars Nest
Nut Zees
2 health-basedBroomstick Family Restaurant
Old Time Tavern
St Johns Baptist Catholic Church
Prairie Pines Country Store
Pine Lake Campsite 1
Hanks Old Time Tavern
Tanglewood Bar
X To C Inn
Gleason Bowling Center
Fishers Bar
Merles Service
Our Saviors Lutheran Church
Pine Lake Campsite 2
Gleason Bait Shop
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Merrill (54435) has more violations than 75% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 16.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
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. This is general educational information, not an endorsement of any specific product.