Water Quality in Bayfield, WI (54814)
EPA violation data for public water systems serving ZIP code 54814.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 15 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.
2,762
Population
53
Water Systems
16
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (53)
Red Cliff North
1 health-basedRed Cliff South
Bayfield Waterworks
Mount Ashwabay
Backstage Big Top
Bayfield Winery
U S N P Apostle Is Meyers Beach Mbw01
Roys Point Marina
Apostle Islands Area Campground North
Comptons Mhp 2
Lapointe Elementary Library And Clinic
U S N P Apostle Is Little Sand Bay Lsw01
Comptons Mhp 1
Apostle Island N.L., Rocky Is. (Row01)
Brookside Hideaway
U S N P Apostle Is Stockton Is Pi Stw01
Sand Bay Cmpgd
Howl Adventure Center And Adventure Club Brewery
Hausers Superior View Farms Llc
Apostle Islands N.L., Cat Is. (Caw1)
Russell Community Well
Apostle Bay Condominium Camp
Cheers Bar
Apostle View Motel
Apostle Islands N.L., Otter Is. (Otw01)
Woodside Cottage Office Well
Bayfield Town Hall And Garage
Apostle Islands N.L., Raspberry Is. (Raw01)
Apostle Island N.L., S. Twin Is. (Sow01)
Apostle Islands N.L., Manitoo Is. (Maw01)
Apostle Highlands Golf Course
Russell Community Center
Apostle Islands N.L., Basswood Is. (Baw01)
Apostle Islands N.L., Devils Is. (Dew01)
U S N P Apostle Is Lsb Visitor Contact Station Lsw04
Apostle Islands N.L., Stockton Is., Q.B. (Stw02)
Port Superior Docks Restaurant And Shop
Woodside Cottage Wellhouse Well
Schooner Inn
Ericksons Orchard And Country Store
U S N P Apostle Is Oak Island Sandspit (Oaw2)
U S N P Apostle Is Sand Island Eb Saw01
Apostle Bay Cmpgd
Fishermans Hideaway Restaurant
Wild Rice Restaurant And Retreat
Apostle Islands N.L., Hokenson Fishery L
U S N P Apostle Is Oak Island Oaw01
Apostle Islands Area Campground South
Wi Dnr Big Bay Point Pic Area
U S N P Apostle Is Seasonal Dorm (Lsw3)
U S N P Apostle Is West Dist Rangers Qtrs (Lsw2)
U S N P Apostle Is Museum Storage (Lsw5)
U S N P Apostle Is Ranger Qtrs(Lsw1)
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Used to disinfect water — generally safe at regulated levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Bayfield (54814) 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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 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.