Water Quality in Madison, WI (53707)
EPA violation data for public water systems serving ZIP code 53707.
Active Health Violations
9 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 96% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
494
Water Systems
172
Violations (5yr)
9
Health-Based
Location
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Water Systems Serving This Area (494)
Oscar Mayer/Kraft Foods
Groundwater 3,750 people served
0 violations
Wi Dot Rest Area 6 Garfield
Groundwater 3,000 people served
0 violations
Wi Dot Rest Area 8 Millston
Groundwater 2,500 people served
0 violations
Wi Dot Rest Area 7 Millston
Groundwater 2,500 people served
0 violations
Wi Dot Rest Area 18 Harmony
Groundwater 2,303 people served
0 violations
Fox Lake Correctional Institution
1 health-based Groundwater 1,850 people served
4 violations (5yr)
· 1 health-based
Lead tested: 0 ppb (limit: 15 ppb) ✓
Wi Dot Wayside 30 Knowlton
Groundwater 1,250 people served
0 violations
Wi Dot Rest Area 2 Cady
Groundwater 1,100 people served
0 violations
Wi Dot Wayside 9 Kronenwetter
Groundwater 1,100 people served
0 violations
Wi Dot Rest Area 64 Lomira Hand Pump
Groundwater 1,025 people served
0 violations
Wi Dnr Willow River Cmpgd - 300
Groundwater 800 people served
0 violations
Wi Dnr Lake Wissota Pic Hand Pump
Groundwater 665 people served
0 violations
Wi Dnr Lake Wissota B Bldg
Groundwater 665 people served
0 violations
Wi Dnr Lake Wissota Shop
All resolved Groundwater 665 people served
1 violation (5yr)
· All resolved
Wi Dnr Lake Wissota Lt Loop
Groundwater 665 people served
0 violations
Wi Dnr Lake Wissota Welcome Center
Groundwater 665 people served
0 violations
Wi Dnr Lake Wissota Rt Loop
Groundwater 665 people served
0 violations
Wi Dot Wayside 3 Darien
Groundwater 500 people served
0 violations
Wi Dot Wayside 2 Moundville
Groundwater 488 people served
0 violations
Wi Dnr Lake Wissota Cmpgd
Groundwater 469 people served
0 violations
Wi Dnr Harrington Beach Shower Bldg
All resolved Groundwater 400 people served
3 violations (5yr)
· All resolved
Wi Dnr Kmsfnu Long Lake Pumphouse
All resolved Groundwater 400 people served
1 violation (5yr)
· All resolved
Wi Dnr Willow River Srvc Bldg
Groundwater 350 people served
0 violations
Wi Dnr Brunet Island S Picnic
Groundwater 350 people served
0 violations
Wi Dnr Council Grnds Shelter Hp
Groundwater 300 people served
0 violations
Wi Dot Wayside 3 Clarno
Groundwater 300 people served
0 violations
Wi Dot Wayside 2 Monroe
Groundwater 300 people served
0 violations
Wi Dnr Willow River Pic
Groundwater 300 people served
0 violations
Wi Dnr Glacial Drumlin Trail Wales Rest Area
1 health-based Groundwater 300 people served
1 violation (5yr)
· 1 health-based · All resolved
Wi Dnr Kmsfsu Pine Woods Shower Bldg
Groundwater 250 people served
0 violations
Wi Dot Wayside 3 Clearfield
Groundwater 250 people served
0 violations
Jon Lancaster Chevrolet Nissan
Groundwater 247 people served
0 violations
Wi Dnr Trout Lk North Old Lndg 53
Groundwater 240 people served
0 violations
Wi Dnr Kmsfnu Long Lake S Bath House
Groundwater 230 people served
0 violations
Wi Dot Wayside 6 Dell Prairie
Groundwater 223 people served
0 violations
Wi Dot Wayside W 50 7 Amherst
Groundwater 216 people served
0 violations
Wi Dnr Pike Lake Beach
Groundwater 215 people served
0 violations
Wi Dnr Pen Concession
Groundwater 206 people served
0 violations
Wi Dnr Kmsf Lapham Peak Lodge
Groundwater 205 people served
0 violations
Wi Dnr Pen 600 Site Well
Groundwater 202 people served
0 violations
Wi Dnr Kmsfsu Oakridge Demo Farm
All resolved Groundwater 202 people served
1 violation (5yr)
· All resolved
Wi Dnr Pen Tennison Bay
Groundwater 202 people served
0 violations
Wi Dnr Pen 700 Site Well
Groundwater 202 people served
0 violations
Wi Dnr Crystal Lk Cmpgd 11
Groundwater 200 people served
0 violations
Wi Dnr Cadiz Spgs East Picnic
Groundwater 200 people served
0 violations
Wi Dot Wayside 1 Bluemounds
Groundwater 200 people served
0 violations
Wi Dnr Kmsf Lapham Peak Tower Picnic Area
Groundwater 200 people served
0 violations
Wi Dnr Gov Dge Group Abcd
Groundwater 200 people served
0 violations
Wi Dnr Richard Bong Sunrise Showers
All resolved Groundwater 200 people served
1 violation (5yr)
· All resolved
Wi Dnr Kmsfnu Mauthe Lk Beach
All resolved Groundwater 200 people served
1 violation (5yr)
· All resolved
Wi Dot Wayside 5 Junction City
Groundwater 191 people served
0 violations
Wi Dot Wayside 5 Johnson
Groundwater 187 people served
0 violations
Wi Dnr Mirror Lake Bluewater Shower
Groundwater 175 people served
0 violations
Wi Dnr Kohler Andrae Headquarters Bldg
Groundwater 154 people served
0 violations
Wi Dot Wayside 4 Cassel
Groundwater 152 people served
0 violations
Wi Dnr Rib Mountain St Park
Groundwater 150 people served
0 violations
Wi Dnr Harrington Beach Campground Handpump
All resolved Groundwater 150 people served
4 violations (5yr)
· All resolved
Wi Dnr Perrot 3 Sand Cliff
Groundwater 150 people served
0 violations
Wi Dnr Kmsf Lapham Peak Homestead Hollow
All resolved Groundwater 150 people served
3 violations (5yr)
· All resolved
Wi Dot Wayside E Pine Valley
Groundwater 150 people served
0 violations
Wi Dnr Kmsfnu Mauthe Lk Contact Station
Groundwater 150 people served
0 violations
Wi Dnr Pike Lake Cmpgrd
All resolved Groundwater 140 people served
1 violation (5yr)
· All resolved
Wi Dnr Willow River Grp Cmpgd
Groundwater 130 people served
0 violations
Wi Dot Wayside 7 Norrie
Groundwater 128 people served
0 violations
Wi Dot Wayside 3 Emerald
Groundwater 125 people served
0 violations
Wi Dnr Rocky Arbor Shelter
Groundwater 125 people served
0 violations
Wi Dnr Rocky Arbor Hp
Groundwater 125 people served
0 violations
Wi Dnr Kmsf Lapham Peak Evergreen Shelter
All resolved Groundwater 125 people served
2 violations (5yr)
· All resolved
Wi Dnr Pot Shower Bldg
Groundwater 125 people served
0 violations
Mecan Youth Camp Dnr
Groundwater 115 people served
0 violations
Wi Dot Wayside 8 Hull
Groundwater 114 people served
0 violations
Wi Dnr Pen Welckers Pt
Groundwater 107 people served
0 violations
Wi Dnr Kohler Andrae Dump Station Well
Groundwater 104 people served
0 violations
Wi Dnr Merrick 7 Shower Bldgs
All resolved Groundwater 103 people served
2 violations (5yr)
· All resolved
Wi Dnr Pen Weborg Pt
Groundwater 102 people served
0 violations
Turning Rivers-Cottages
All resolved Groundwater 102 people served
1 violation (5yr)
· All resolved
Turning Rivers-Lodge
All resolved Groundwater 102 people served
1 violation (5yr)
· All resolved
Wi Dnr Hartman Ck Beach
Groundwater 101 people served
0 violations
Wi Dot Wayside 7 Lyndon
Groundwater 100 people served
0 violations
Wi Dot Wayside 6
Groundwater 100 people served
0 violations
Wi Dot Wayside 9 Merrimac
Groundwater 100 people served
0 violations
Wi Dnr Kmsfnu Mauthe Lk Lower 500s
Groundwater 100 people served
0 violations
Wi Dnr Kmsfsu Mcmiller Center
1 health-based Groundwater 100 people served
2 violations (5yr)
· 1 health-based · All resolved
Wi Dnr Kmsfsu Hwy 67 Wayside
Groundwater 100 people served
0 violations
Wi Dot Rest Area 11 Bkup Dekorra
Groundwater 100 people served
0 violations
Wi Dnr Devils Lake - Panoramic
Groundwater 100 people served
0 violations
Wi Dot Wayside 5
Groundwater 100 people served
0 violations
Wi Dnr Buckhorn Showers
All resolved Groundwater 100 people served
2 violations (5yr)
· All resolved
Wi Dot Wayside 25 Lac Du Flambeau
Groundwater 100 people served
0 violations
Wi Dot Rest Area 4 Elk Mound
Groundwater 100 people served
0 violations
Wi Dnr Natl Canoe Base 2 Pump
Groundwater 100 people served
0 violations
Wi Dnr Pot Daisy Fld Winter Well
Groundwater 100 people served
0 violations
Wi Dnr Buckhorn S Pic
Groundwater 100 people served
0 violations
Wi Dot Wayside 1
Groundwater 100 people served
0 violations
Wi Dot Wayside 4 Thorp
Groundwater 100 people served
0 violations
Wi Dot Wayside 14 Lafayette
Groundwater 100 people served
0 violations
Wi Dnr Kmsfnu Greenbush Grp 1
All resolved Groundwater 100 people served
2 violations (5yr)
· All resolved
Wi Dot Wayside 2 Menter
Groundwater 100 people served
0 violations
Wi Dot Wayside 2 Lincoln
Groundwater 100 people served
0 violations
Wi Dot Wayside 3 Linden
Groundwater 100 people served
0 violations
Wi Dnr Pt Beach Cmpgd
All resolved Groundwater 100 people served
2 violations (5yr)
· All resolved
Wi Dnr Kmsfsu Hdqtrs Office
Groundwater 100 people served
0 violations
Wi Dnr Brsf Castle Md 1 Pic
Groundwater 100 people served
0 violations
Wi Dnr Kmsfsu Hwy Zz Wayside
Groundwater 100 people served
0 violations
Wi Dot Wayside 1 Caledonia
Groundwater 100 people served
0 violations
Wi Dot Wayside 2 Lincoln
Groundwater 100 people served
0 violations
Wi Dnr Kohler Andrae Camp Area
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Wi Dot Wayside 7
Groundwater 100 people served
0 violations
Wi Dot Rest Area 1 Rush River
Groundwater 100 people served
0 violations
Wi Dnr Wildcat Mt Horse Camp
Groundwater 100 people served
0 violations
Wi Dnr Natl Canoe Base Winter Qtrs
Groundwater 100 people served
0 violations
Wi Dnr Pot Boat Launch
Groundwater 100 people served
0 violations
Wi Dot Wayside 2 Lucas
Groundwater 100 people served
0 violations
Wi Dnr Kmsfsu Ottawa Lk Picnic
Groundwater 100 people served
0 violations
Wi Dot Wayside 14 Chippewa Co
Groundwater 100 people served
0 violations
Wi Dnr Kohler Andrae North Beach
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Wi Dnr Buckhorn Beach
Groundwater 100 people served
0 violations
Wi Dnr Yellowstone Picnic
Groundwater 100 people served
0 violations
Wi Dot Wayside 8 Stockholm
Groundwater 100 people served
0 violations
Wi Dnr Kohler Andrae Nature Center
Groundwater 100 people served
0 violations
Wi Dnr Nebish Lk Boat Lndg 33
Groundwater 100 people served
0 violations
Wi Dot Rest Area 2
Groundwater 100 people served
0 violations
Wi Dnr Perrot Cmpgd
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Wi Dot Wayside 4 Hartland
Groundwater 100 people served
0 violations
Wi Dot Wayside 4
Groundwater 100 people served
0 violations
Wi Dot Wayside 4 Soldiers Gr
Groundwater 100 people served
0 violations
Wi Dnr Beauti View Resort
Groundwater 100 people served
0 violations
Wi Dnr Council Grnds N Pic
Groundwater 100 people served
0 violations
Wi Dot Rest Area 3 Red Cedar
Groundwater 100 people served
0 violations
Wi Dot Wayside 8 Reedsburg
Groundwater 100 people served
0 violations
Wi Dot Rest Area 12 Bkup Dekorra
Groundwater 100 people served
0 violations
Wi Dot Wayside 9 Bloomer
Groundwater 100 people served
0 violations
Wi Dot Wayside 3 Emerald - Duplicate
Groundwater 100 people served
0 violations
Wi Dnr Buckhorn Group Camp
All resolved Groundwater 100 people served
4 violations (5yr)
· All resolved
Wi Dot Wayside 7 Upham
Groundwater 100 people served
0 violations
Wi Dot Wayside W 34 2 Rolling
Groundwater 100 people served
0 violations
Wi Dnr Kmsfsu Ottawa Lk Winter Well
Groundwater 100 people served
0 violations
Wi Dnr Kmsfnu Long Lake N Bath House
Groundwater 100 people served
0 violations
Wi Dnr Kohler Andrae Bath House
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Wi Dnr Kmsfnu Greenbush Handpump
Groundwater 100 people served
0 violations
Wi Dnr Wildcat Mt New Main Well
Groundwater 100 people served
0 violations
Wi Dot Wayside 29 Land O Lakes
Groundwater 100 people served
0 violations
Wi Dot Wayside 3 Diamond Lk Arbor Vitae
Groundwater 100 people served
0 violations
Wi Dot Wayside 2 Hull
Groundwater 96 people served
0 violations
Wi Dnr Richard Bong Headquarters
Groundwater 90 people served
0 violations
Wi Dot Wayside Brilln Hwy 57
Groundwater 80 people served
0 violations
Wi Dot Wayside Brilln Hwy 10
Groundwater 80 people served
0 violations
Wi Dnr Richard Bong Beach Bubbler
1 health-based Groundwater 75 people served
5 violations (5yr)
· 1 health-based · All resolved
Wi Dnr Willow River Cmpgd - 100
Groundwater 75 people served
0 violations
Wi Dnr Harrington Beach Quarry Lake
All resolved Groundwater 75 people served
3 violations (5yr)
· All resolved
Wi Dot Wayside 5 Wabeno
Groundwater 75 people served
0 violations
Wi Dnr Brsf Perry Creek Pic
Groundwater 75 people served
0 violations
Wi Dnr Bearskin Lk Cmpgd
Groundwater 75 people served
0 violations
Wi Dot Wayside 4 - Sumner
Groundwater 75 people served
0 violations
Wi Dnr Harrington Beach Visitor Center
All resolved Groundwater 75 people served
2 violations (5yr)
· All resolved
Wi Dnr Kmsfnu Mauthe Lk Shower
Groundwater 75 people served
0 violations
Wi Dnr Sandhill Station Cmpgrd New
Groundwater 75 people served
0 violations
Wi Dnr Dells Of The Wi River - Overlook
Groundwater 75 people served
0 violations
Wi Dnr Harrington Beach Welcome Center & North Picnic
All resolved Groundwater 75 people served
2 violations (5yr)
· All resolved
Wi Dnr Merrick Entrance Station
All resolved Groundwater 75 people served
2 violations (5yr)
· All resolved
Wi Dnr Kmsfnu Mauthe Lk Upper 500s
Groundwater 70 people served
0 violations
Wi Dnr Chippewa Moraine Ice Age Center
Groundwater 65 people served
0 violations
Wi Dot Wayside 2 Platteville
Groundwater 65 people served
0 violations
Dnr Horicon Field Office
Groundwater 63 people served
0 violations
Wi Dot Wayside 1 Houlton - Duplicate
Groundwater 60 people served
0 violations
Wi Dnr Kmsfsu Palmyra Env Learning Ctr
Groundwater 60 people served
0 violations
Wi Dnr Willow River Cmpgd - 200
Groundwater 60 people served
0 violations
Wi Dnr Pike Lake Hdqtrs
All resolved Groundwater 57 people served
2 violations (5yr)
· All resolved
Wi Dnr Kmsf Lapham Peak Hausman Nature Center
All resolved Groundwater 55 people served
3 violations (5yr)
· All resolved
Wi Dnr Whitefish Dunes Ofc
All resolved Groundwater 54 people served
3 violations (5yr)
· All resolved
Wi Dnr Whitefish Dunes Pic
All resolved Groundwater 54 people served
3 violations (5yr)
· All resolved
Wi Dnr Pen Entrance
Groundwater 54 people served
0 violations
Wi Dnr Pen Nature Area
Groundwater 52 people served
0 violations
Wi Dnr Pen Group Camp
Groundwater 52 people served
0 violations
Wi Dnr Pen Dump Station
Groundwater 52 people served
0 violations
Wi Dnr Hartman Ck Fca Showers
Groundwater 51 people served
0 violations
Wi Dnr Hartman Ck Whisp Pines
Groundwater 51 people served
0 violations
Wi Dnr Richard Bong Park Lot A At Bb
Groundwater 50 people served
0 violations
Wi Dot Dmv Ofc
Groundwater 50 people served
0 violations
Wi Dnr Roche A Cri Office 1
Groundwater 50 people served
0 violations
Wi Dnr Brule River State Forest
Groundwater 50 people served
0 violations
Wi Dnr Pot Nature Ctr
Groundwater 50 people served
0 violations
Wi Dnr Harrington Beach Pucketts Pond Area
All resolved Groundwater 50 people served
3 violations (5yr)
· All resolved
Wi Dnr Roche A Cri Kiosk 2
All resolved Groundwater 50 people served
1 violation (5yr)
· All resolved
Wi Dot Wayside 9 Red Springs
Groundwater 50 people served
0 violations
Wi Dnr Gov Dge Box Canyon Picnic
Groundwater 50 people served
0 violations
Wi Dot Wayside 3 Florence
Groundwater 50 people served
0 violations
Wi Dot Wayside 9 Chippewa Co
Groundwater 50 people served
0 violations
Wi Dnr Merrick 5 Shelter
Groundwater 50 people served
0 violations
Wi Dot Wayside 1 Middle Inl
Groundwater 50 people served
0 violations
Wi Dot Wayside 10 Peshtigo
Groundwater 50 people served
0 violations
Wi Dnr Elroy Sparta Bike Trail - Sparta Campground W
Groundwater 50 people served
0 violations
Wi Dot Wayside 8 Gardner
Groundwater 50 people served
0 violations
Wi Dnr White Sand Lk Pic 34
Groundwater 50 people served
0 violations
Wi Dnr Natural Bridge Picnic
Groundwater 50 people served
0 violations
Wi Dnr Perrot 4 Boat Landing
Groundwater 50 people served
0 violations
Wi Dnr Harrington Beach S Pic
All resolved Groundwater 50 people served
3 violations (5yr)
· All resolved
Wi Dnr Brule River Forest
Groundwater 50 people served
0 violations
Wi Dnr Pen Eagle Tower
Groundwater 50 people served
0 violations
Wi Dot Wayside 3 Jacksonport
Groundwater 50 people served
0 violations
Wi Dnr Kmsfsu Ottawa Lk Cmpgnd
Groundwater 50 people served
0 violations
Wi Dnr Richard Bong Vista
Groundwater 50 people served
0 violations
Wi Dnr Merrick 3 N Cpgd
Groundwater 50 people served
0 violations
Wi Dnr Aztalan Upper Well
Groundwater 50 people served
0 violations
Wi Dnr Perrot 1 Shop Well
All resolved Groundwater 50 people served
1 violation (5yr)
· All resolved
Wi Dot Wayside 8 Porter
Groundwater 50 people served
0 violations
Wi Dot Wayside 13 Arthur
Groundwater 50 people served
0 violations
Wi Dnr Wood Co 1 Ball Rd
Groundwater 50 people served
0 violations
Wi Dot Wayside 5 Waupaca
Groundwater 50 people served
0 violations
Wi Dnr Kegonsa Upper Picnic Area
Groundwater 50 people served
0 violations
Wi Dot Wayside 3 Abrams
Groundwater 50 people served
0 violations
Wi Dnr Roche A Cri Campgrd 3
All resolved Groundwater 50 people served
1 violation (5yr)
· All resolved
Wi Dot Wayside 1 St Joseph
Groundwater 50 people served
0 violations
Wi Dot Wayside 4 Memorial
Groundwater 50 people served
0 violations
Wi Dot Patrol Hdqtrs Dist 4
Groundwater 50 people served
0 violations
Wi Dot Wayside 7 Clyman
Groundwater 50 people served
0 violations
Wi Dnr Kegonsa East Of Beach
Groundwater 50 people served
0 violations
Wi Dnr Kmsfnu Mauthe Lk 100s
1 health-based Groundwater 50 people served
1 violation (5yr)
· 1 health-based · All resolved
Wi Dot Wayside 4 Pensaukee
Groundwater 50 people served
0 violations
Wi Dnr Big Arbor Vitae 4 Spring
Groundwater 50 people served
0 violations
Wi Dnr Wildcat Mt Lower Pic
Groundwater 50 people served
0 violations
Wi Dnr Merrick Island Cmpgd
All resolved Groundwater 50 people served
2 violations (5yr)
· All resolved
Wi Dot Div Of Motor Vehicles
Groundwater 45 people served
0 violations
Wi Dot Wayside 4 Arena Ne
Groundwater 40 people served
0 violations
Wi Dnr Kmsfnu Butler Lk
Groundwater 40 people served
0 violations
Wi Dnr Little John Lk Lndg 35
Groundwater 40 people served
0 violations
Wi Dnr Kmsfnu Lizard Mound State Park
Groundwater 40 people served
0 violations
Wi Dnr Kmsfnu Parnell Tower
All resolved Groundwater 40 people served
1 violation (5yr)
· All resolved
Wi Dnr Wyalusing Shop
Groundwater 39 people served
0 violations
Wp & L Verona
Groundwater 37 people served
0 violations
Wi Dnr Pen Northern Sky Theater
Groundwater 35 people served
0 violations
Wi Dnr Devils Lake - Parfreys Glen
Groundwater 35 people served
0 violations
Wi Dnr Brule River Forest
Groundwater 35 people served
0 violations
Wi Dnr Plymouth Field Station
Groundwater 33 people served
0 violations
Wi Dnr Pen Shop Area
Groundwater 32 people served
0 violations
Wi Dnr Pen Golf Course
Groundwater 31 people served
0 violations
Wi Dnr Hartman Ck Fca Fountain
1 health-based Groundwater 31 people served
2 violations (5yr)
· 1 health-based · All resolved
Wi Dnr Brule River Forest
Groundwater 30 people served
0 violations
Wi Dnr Kmsfnu Hdqtrs Maintenance Shop
Groundwater 30 people served
0 violations
Wi Dnr Lake Wissota Grp Cmpgd
Groundwater 30 people served
0 violations
Wi Dnr Merrick 6 Indian Md
All resolved Groundwater 30 people served
2 violations (5yr)
· All resolved
Wi Dnr Kmsfnu Horsemans Camp - Group
Groundwater 30 people served
0 violations
Wi Dnr Kmsfnu Horsemans Camp - Family
Groundwater 30 people served
0 violations
Wi Dnr Kmsfnu Mauthe Lk Shelter
All resolved Groundwater 30 people served
1 violation (5yr)
· All resolved
Wi Dnr Kmsfnu Hdqtrs
All resolved Groundwater 30 people served
1 violation (5yr)
· All resolved
Wi Dnr Rock Is Lighthouse
All resolved Groundwater 28 people served
2 violations (5yr)
· All resolved
Wi Dnr Hartman Ck Office
Groundwater 28 people served
0 violations
Wi Dnr Whitefish Dunes Shop
Groundwater 28 people served
0 violations
Wi Dnr Rock Is Boathouse
All resolved Groundwater 28 people served
3 violations (5yr)
· All resolved
Wi Dnr Newport Pic
All resolved Groundwater 27 people served
2 violations (5yr)
· All resolved
Wi Dnr Kmsf Lapham Peak Visitors Center
All resolved Groundwater 27 people served
2 violations (5yr)
· All resolved
Wi Dnr Rock Is Ofc
All resolved Groundwater 27 people served
2 violations (5yr)
· All resolved
Wi Dnr Newport Visitor Ctr
Groundwater 27 people served
0 violations
Wi Dnr Pen Golf Service Area
Groundwater 27 people served
0 violations
Wi Dnr Hartman Ck Grp Camp
Groundwater 26 people served
0 violations
Wi Dnr Hartman Ck Allen Lk
All resolved Groundwater 26 people served
4 violations (5yr)
· All resolved
Wi Dot Wayside 3 Saxon
Groundwater 26 people served
0 violations
Wi Dnr Hartman Ck Hrtman Lk
Groundwater 26 people served
0 violations
Wi Dnr Ladysmith Ranger Station
Groundwater 25 people served
0 violations
Wi Dnr Flambeau Forest Residence
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Stute Springs
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Mcmiller Ski Trail Warming Shelter
Groundwater 25 people served
0 violations
Wi Dnr Governor Thompson State Pk Cmpgd Shower Bldg
All resolved Groundwater 25 people served
6 violations (5yr)
· All resolved
A & W At Golden Lake
Groundwater 25 people served
0 violations
Wi Dnr Griffith Nursery 3
Groundwater 25 people served
0 violations
Wi Dnr Willow River Grp Cmpgd
Groundwater 25 people served
0 violations
Wi Dnr Brule Area Office
Groundwater 25 people served
0 violations
Wi Dnr Hwy W Landing
Groundwater 25 people served
0 violations
Wi Dnr Wild Rose Fish Hatch Visitors Cntr
All resolved Groundwater 25 people served
2 violations (5yr)
· All resolved
Wi Dot Wayside 11 Morris
Groundwater 25 people served
0 violations
Wi Dnr Meadow Valley 8 Eisfeldt
Groundwater 25 people served
0 violations
Wi Dnr Kmsfnu Glacial Trail Hwy H
Groundwater 25 people served
0 violations
Wi Dot Wayside 2 Christiana
Groundwater 25 people served
0 violations
Wi Dnr Woodruff Auto Shop
Groundwater 25 people served
0 violations
Montana Lake Public Landing
Groundwater 25 people served
0 violations
Wi Dnr Yellowstone West Shelter
Groundwater 25 people served
0 violations
Wi Dnr Griffith Nursery
Groundwater 25 people served
0 violations
Wi Dot Patrol Hdqtrs Dist 8
Groundwater 25 people served
0 violations
Wi Dot Wayside 9 Lawrence N
Groundwater 25 people served
0 violations
Wi Dot Wayside 5
Groundwater 25 people served
0 violations
Wi Dot Weigh Sta Ush 51 Sb
Groundwater 25 people served
0 violations
Wi Dnr Brsf Rangeline Flowage
Groundwater 25 people served
0 violations
Wi Dnr Kewaunee Fish E
Groundwater 25 people served
3 violations (5yr)
Wi Dnr Pot Grp Camp Site A & B
Groundwater 25 people served
0 violations
Wi Dnr Hervas Landing
Groundwater 25 people served
0 violations
Ashippun Lake Public Access
Groundwater 25 people served
0 violations
Wi Dot Weigh Sta Ush 51 Nb
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Pine Woods 4
Groundwater 25 people served
0 violations
Wpl - Sheboygan Rental
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Muir Trail Head
Groundwater 25 people served
0 violations
Wi Dnr Richard Bong Sunrise Site 6
All resolved Groundwater 25 people served
2 violations (5yr)
· All resolved
Wi Dnr Meadow Valley Flowage Rd 1
Groundwater 25 people served
0 violations
Benson Creek Spring
Groundwater 25 people served
0 violations
Wi Dnr Hoffman Hills Group Cmp
Groundwater 25 people served
0 violations
Wi Dnr Camp 41 Canoe Landing
Groundwater 25 people served
0 violations
Wi Dnr Game Farm 15 Breeder
Groundwater 25 people served
0 violations
Wi Dnr Buckhorn Rv Dump
All resolved Groundwater 25 people served
4 violations (5yr)
· All resolved
Wi Dnr Nekoosa Ranger Station
Groundwater 25 people served
0 violations
Wi Dnr Natl Canoe Base Lost Canoe Lake
Groundwater 25 people served
0 violations
Wi Dnr Hayward State Nursery
Groundwater 25 people served
0 violations
Wi Dot Wayside W-57-1
Groundwater 25 people served
0 violations
Wi Dnr Griffith Nursery Office
Groundwater 25 people served
0 violations
Wi Dot Wayside Merrimac
Groundwater 25 people served
0 violations
Wi Dnr Natural Bridge 2
Groundwater 25 people served
0 violations
Wi Dnr Richard Bong Sunset Site 442
Groundwater 25 people served
0 violations
Wi Dnr Kohler Andrae Winter Cmpgrd 3e
Groundwater 25 people served
0 violations
Wi Dnr Lulu Lake Natural Area
Groundwater 25 people served
0 violations
Wi Dnr Mcgilvray Bridge Rd Parking Lot
Groundwater 25 people served
0 violations
Wi Dnr Pike Lake Shop
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Whitewater Lk Bch
Groundwater 25 people served
0 violations
Wi Dnr Willow River Entrance Building
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Whitewater Ofc
Groundwater 25 people served
0 violations
Wi Dnr Elroy Sparta Bike Trail - Sparta Campground East 2
All resolved Groundwater 25 people served
2 violations (5yr)
· All resolved
Wi Dnr Richard Bong Sunset Site 402
Groundwater 25 people served
0 violations
Wi Dot Wayside Ush 12 Millston
Groundwater 25 people served
0 violations
Wi Dnr Kmsfnu Zillmer Trail
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Eagle Trailhead
Groundwater 25 people served
0 violations
Wi Dnr Kmsfnu Shelter 5 Well
Groundwater 25 people served
0 violations
Wi Dnr Richard Bong Shop
All resolved Groundwater 25 people served
2 violations (5yr)
· All resolved
Wi Dnr Willow River Nature Center
Groundwater 25 people served
0 violations
Wi Dnr Kinnickinnic Pk St Croix Picnic
Groundwater 25 people served
0 violations
Wi Dnr Merrick 1 Shop
Groundwater 25 people served
0 violations
Wi Dnr Lone Tree Boat Lndg 29
Groundwater 25 people served
0 violations
Wi Dnr Meadow Valley Station
Groundwater 25 people served
0 violations
Wi Dnr Natl Canoe Base 1 Pumphouse
Groundwater 25 people served
0 violations
Wi Dnr Newport Campsite Trail
Groundwater 25 people served
0 violations
Wi Dnr Mirror Lake Bluewater Hp
Groundwater 25 people served
0 violations
Dnr Horicon Area Rough Fish Station
Groundwater 25 people served
0 violations
Wi Dnr Pt Beach Indoor Camp
1 health-based Groundwater 25 people served
1 violation (5yr)
· 1 health-based · All resolved
Wi Dnr Lulu Lake Natural Area
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Mueller Farm Picnic Area
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Hdqtrs Shop
Groundwater 25 people served
0 violations
Wi Dnr Mirror Lake Shop
Groundwater 25 people served
0 violations
Wi Dot Wayside 2 Excelsior
Groundwater 25 people served
0 violations
Wi Dnr Sandhill Hdqtrs Shop
Groundwater 25 people served
0 violations
Wi Dnr Richard Bong Sunrise Site 23
Groundwater 25 people served
0 violations
Wi Dot Wayside 1 Stoddard
Groundwater 25 people served
0 violations
Wi Dnr Clear Lk Pic Hp Pking
Groundwater 25 people served
0 violations
Wi Dot Wayside S Of Millston
Groundwater 25 people served
0 violations
Wi Dnr Pot Pic Area
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Wi Dnr Dix Dox
Groundwater 25 people served
0 violations
Wi Dnr Pot Ofc
Groundwater 25 people served
0 violations
Wi Dnr Pt Beach Entrance/Visitor Station
Groundwater 25 people served
0 violations
Wi Dnr Gordon Ranger Station
Groundwater 25 people served
0 violations
Wi Dnr Game Farm 10 Main Office
Groundwater 25 people served
0 violations
Wi Dnr Elroy Sparta Bike Trail - Summit
Groundwater 25 people served
0 violations
Wi Dnr Five Dwelling Well 56
Groundwater 25 people served
0 violations
Wi Dnr Yellowstone Bar O
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu E Carlin Trail Head
Groundwater 25 people served
0 violations
Wi Dnr Meadow Valley Beaver
Groundwater 25 people served
0 violations
Wi Dot Wayside 3 Washington
Groundwater 25 people served
0 violations
Wi Dot Wayside 5 Plymouth
Groundwater 25 people served
0 violations
Wi Dot Wayside 1 Arbor Vitae Sparkling L
Groundwater 25 people served
0 violations
Wi Dnr Willow River Grp Cmpgd
Groundwater 25 people served
0 violations
Wi Dnr Buckhorn Office
Groundwater 25 people served
0 violations
Shell Station
Groundwater 25 people served
0 violations
Wi Dnr Newport Shop
Groundwater 25 people served
0 violations
Wi Dnr Lulu Lake Natural Area
Groundwater 25 people served
0 violations
Wi Dot Wayside W-51-4
Groundwater 25 people served
0 violations
Wi Dot Rest Area 26 Pleasant Prairie
Groundwater 25 people served
0 violations
Wi Dnr Kewaunee Fish West
Groundwater 25 people served
0 violations
Wi Dnr Mackenzie 6 Slaughter House
Groundwater 25 people served
0 violations
Wi Dnr Trout Lk South Cmpgd 1
Groundwater 25 people served
0 violations
Wi Dnr Lake Tomahawk
Groundwater 25 people served
0 violations
Wi Dot Wayside 4 Calamus
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Nordic Lot
Groundwater 25 people served
0 violations
Wi Dnr Richard Bong Suz Toilet Building
Groundwater 25 people served
0 violations
Wi Dot Wayside 6 Fond Du Lac
Groundwater 25 people served
0 violations
Wi Dot Wayside 8 Nekimi
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Hickory Woods
Groundwater 25 people served
0 violations
Wi Dnr Kinnickinnic Pk Beach
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Pine Woods 3rd Loop Well 266
Groundwater 25 people served
0 violations
Wi Dnr Perrot St Pk-Entrance Station Well
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Wi Dnr Sandhill Station Cmpgrd
Groundwater 25 people served
0 violations
Wi Dnr Yellowstone Shower House
Groundwater 25 people served
0 violations
Wi Dnr Richard Bong Sunrise Grp Site D
Groundwater 25 people served
0 violations
Jon Lancaster Toyota
Groundwater 25 people served
0 violations
Wi Dnr Lulu Lake Natural Area
Groundwater 25 people served
0 violations
Wi Dnr Kmsfnu New Fane
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Paradise Springs
Groundwater 25 people served
0 violations
Wi Dnr Gov Dge Shop
Groundwater 25 people served
0 violations
State Patrol Hq District I
Groundwater 25 people served
0 violations
Wi Dnr Griffith Nursery Shed
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Ottawa Horse Lot
Groundwater 25 people served
0 violations
Wi Dnr Kinnickinnic Pk Overlook
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Pine Woods Waste Stn 3 Well
Groundwater 25 people served
0 violations
Wi Dot Rest Area 63 Lomira Hand Pump
Groundwater 25 people served
0 violations
Wi Dnr Nine Mile Landing
Groundwater 25 people served
0 violations
Wi Dnr Copper Culture Pk
Groundwater 25 people served
0 violations
Wi Dnr Lulu Lake Natural Area
Groundwater 25 people served
0 violations
Wi Dnr Kmsfnu Ice Age Ctr
Groundwater 25 people served
0 violations
Wi Dnr Flambeau Forest Shop
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Horseriders Camp Shower Bldg
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Asst Supt Residence
Groundwater 25 people served
0 violations
Wi Dot Wayside W-4-4
Groundwater 25 people served
0 violations
Camp Wakonda Kitchen & Shower
Groundwater 25 people served
0 violations
Wi Dnr Kmsf Lapham Peak Ranger Residence
Groundwater 25 people served
0 violations
Wi Dnr Buckhorn Cmpgd
All resolved Groundwater 25 people served
3 violations (5yr)
· All resolved
Wi Dot Wayside W-54-8
Groundwater 25 people served
0 violations
Wi Dnr Pot Ski Hill
Groundwater 25 people served
0 violations
Wi Dot Wayside 3 Sarona
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Scuppernong Trail Head
Groundwater 25 people served
0 violations
Wi Dnr Trout Lk North Pic Area 54
Groundwater 25 people served
0 violations
Wi Dnr Game Farm 14 Brooder
Groundwater 25 people served
0 violations
Wi Dnr Kinnickinnic Pk Office
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Wi Dnr Old Veterans Lk Cmpgd
Groundwater 25 people served
9 violations (5yr)
Wi Dnr Wis Rapids Area Ofc
Groundwater 25 people served
0 violations
Wi Dnr Governor Thompson State Pk Visitor Ctr
All resolved Groundwater 25 people served
10 violations (5yr)
· All resolved
Wi Dnr Kmsfsu Ottawa Lk Contact Station
Groundwater 25 people served
0 violations
Wi Dnr Governor Thompson State Pk Woods Lk
All resolved Groundwater 25 people served
6 violations (5yr)
· All resolved
Wi Dnr Kmsfsu Rice Lake Picnic
1 health-based Groundwater 25 people served
6 violations (5yr)
· 1 health-based · All resolved
Wi Dot Wayside 9 Taycheetah
Groundwater 25 people served
0 violations
Wi Dnr Wood Co W A Cmpgd Ball Rd
Groundwater 25 people served
0 violations
Wi Dot Wayside 14 Lk Tomahawk
Groundwater 25 people served
0 violations
Wi Dnr Griffith Nursery 1
Groundwater 25 people served
0 violations
Wi Dnr Griffith Nursery 4
Groundwater 25 people served
0 violations
Wi Dnr Pt Beach Outdoor Camp
Groundwater 25 people served
0 violations
Wi Dnr Northeast Fence
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Horseriders Camp
Groundwater 25 people served
0 violations
Wi Dnr Roche A Cri Nw Cmpgd 4
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Wi Dnr Hoffman Hills Shop Well
Groundwater 25 people served
0 violations
Wi Dnr Buffalo Pastr Oasis
Groundwater 25 people served
0 violations
Wi Dot Wayside W-65-7
Groundwater 25 people served
0 violations
Wi Dnr Buckhorn N Shltr
Groundwater 25 people served
0 violations
Wi Dot Wayside 3 Scott
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Pine Woods 1
Groundwater 25 people served
0 violations
Wi Dnr Big Bay Ofc/Hagen House
Groundwater 25 people served
0 violations
Wi Dnr Wood Co 2 Cmpgd Amundson Rd
Groundwater 25 people served
0 violations
Wi Dnr Council Grnds Shp Maint
Groundwater 25 people served
0 violations
Wi Dot Spring On Hwy 106 Rw
Groundwater 25 people served
0 violations
Wi Dnr Hoffman Hills Picnic Area
Groundwater 25 people served
1 violation (5yr)
Wi Dnr Fishermans Landing
Groundwater 25 people served
0 violations
Wi Dot Wayside W-7-7, Riverside
Groundwater 25 people served
0 violations
Wi Dnr North Bluff
Groundwater 25 people served
0 violations
Wi Dnr Willow River Benoy Farm
Groundwater 25 people served
0 violations
Wi Dnr Chippewa River Tr Rest Area-Caryville
Groundwater 25 people served
0 violations
Wi Dnr Woodruff Hatch Bldg
Groundwater 25 people served
0 violations
Blackhawk Ridge Recreation Area
Groundwater 25 people served
0 violations
Wi Dot Wayside 6 Oma
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Pine Woods Group Camp Well 7
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu La Grange Picnic
Groundwater 25 people served
0 violations
Wi Dnr Council Grnds N Pic Hp
Groundwater 25 people served
0 violations
Wi Dnr Elroy Sparta Bike Trail - Elroy Parking Lot
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Wi Dnr Barnes Ranger Station
Groundwater 25 people served
0 violations
Wi Dnr Pot Grp Camp Site C & D
Groundwater 25 people served
0 violations
Wi Dnr Crex Meadows Office
Groundwater 25 people served
0 violations
Wi Dot Wayside 2 Lagrange
Groundwater 25 people served
0 violations
Wi Dot Wayside 7 Eldorado
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Pine Woods 2
Groundwater 25 people served
0 violations
Wi Dnr Big Bay Maintenance Shop
Groundwater 25 people served
0 violations
Wi Dnr Renewable World Foundation
Groundwater 25 people served
0 violations
Wi Dnr Flambeau Forest Office
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Whitewater E Camp
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Wi Dnr Stanton W Mead Dog Trial Area
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Pine Island Wildlife Area
Groundwater 25 people served
0 violations
Wi Dnr Elroy Sparta Bike Trail - Elroy Campground
Groundwater 25 people served
0 violations
Wi Dnr Necedah Ranger Sta (Former)
Groundwater 25 people served
0 violations
Wi Dnr Sandhill Dorm Bldg
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Pine Woods 3rd Loop Well 288
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Oakridge Demo Mgr House
Groundwater 25 people served
0 violations
Wi Dot Wayside 4 Egg Harbor
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Grp Pic Mackie
1 health-based Groundwater 25 people served
1 violation (5yr)
· 1 health-based · All resolved
Wi Dnr Meadow Valley 4 Johnson Ctr
Groundwater 25 people served
0 violations
Wi Dot Wayside 11 Pilsen
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Whitewater W Camp
Groundwater 25 people served
0 violations
Wi Dnr Copper Falls Pk House
Groundwater 25 people served
0 violations
Wi Dnr Richard Bong Sunset Site 330
Groundwater 25 people served
0 violations
Wi Dnr Stanton W Mead Info & Ed Ctr
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Wi Dnr Langlade Rngr Stn Hp
Groundwater 25 people served
0 violations
Wayside Grantsburg
Groundwater 25 people served
0 violations
Wi Dnr Game Farm 13 Carpenter
Groundwater 25 people served
0 violations
Wi Dot Wayside 10 Lawrence S
Groundwater 25 people served
0 violations
Wi Dnr Meadow Valley 5
Groundwater 25 people served
0 violations
Wi Dnr Pen Cornil Cottage
Groundwater 25 people served
0 violations
Wi Dnr Game Farm 12 Orchard
Groundwater 25 people served
0 violations
Wi Dnr Natl Canoe Base Gilwell Lodge
Groundwater 25 people served
0 violations
Wi Dnr Meadow Valley 6
Groundwater 25 people served
0 violations
Wi Dnr Sandhill Outdoor Skills Ctr & Dorm
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Wi Dnr Governor Thompson State Pk Maint Bldg
All resolved Groundwater 25 people served
2 violations (5yr)
· All resolved
Wi Dnr Woodruff Net Bldg
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu La Grange Camp
Groundwater 25 people served
0 violations
Wi Dnr Pt Beach N Shower Bldg
All resolved Groundwater 25 people served
1 violation (5yr)
· All resolved
Wi Dnr Griffith Nursery
Groundwater 25 people served
0 violations
Wi Dnr Pt Beach Ofc
Groundwater 25 people served
0 violations
Wi Dnr Kmsfsu Puchners Pond
Groundwater 24 people served
0 violations
Wi Dnr Kohler Andrae Service Bldg
Groundwater 11 people served
0 violations
Wi Dnr Stanton W Mead Old Shop Office
Groundwater 10 people served
0 violations
Wi Dnr Tower Hill Office
Groundwater 7 people served
0 violations
Wi Dnr Nelson Dewey Shop
Groundwater 5 people served
0 violations
Wi Dnr Kmsfsu Ottawa Field Trial Ground Area
Groundwater 5 people served
0 violations
Wi Dnr Gov Nelson 1 Wakanda
Groundwater 2 people served
0 violations
Wi Dnr Langlade Rngr Stn Ofc Bldg 4314
Groundwater 1 people served
0 violations
Wi Dnr Wildcat Mt Main Back-Up Well
Groundwater 0
0 violations
Wi Dot Wayside 15 Otsego
Groundwater 0
0 violations
Contaminants Found
Revised Total Coliform RuleHealth-Based
Missed testing deadlines — not a detection of bacteria.
115 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
Groundwater RuleHealth-Based
1 violation
All resolved
Public NoticeMonitoring
21 violations
Has active
E. COLIMonitoring
20 violations
Has active
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
10 violations
All resolved
NitriteMonitoring
Similar to nitrate — harmful to infants at high levels.
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jun 2023
How Does This Compare?
Madison (53707) has more violations than 96% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 172.
Fewer violations 96th percentile More violations
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.
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. This is general educational information, not an endorsement of any specific product.