Water Quality E. coli (Monitoring) Data on this website for the current beach season have not received final quality testing and approval.

Water Quality E. coli (Monitoring) Data can be retrieved from 2003 to Present. Reports can be downloaded by clicking the "Download to csv File" link at the bottom left of the report.
Note: Contact your local county health department for more information. (See links on the left for websites and phone numbers)

County	--Any County-- Ashland Bayfield Brown Calumet Chippewa Dane Dodge Door Douglas Fond du Lac Green Green Lake Iowa Iron Jackson Jefferson Juneau Kenosha Kewaunee Lafayette Lincoln Manitowoc Marinette Milwaukee Monroe Oneida Ozaukee Pierce Portage Price Racine Rock Sauk Sheboygan St. Croix Taylor Trempealeau VBCounty Vilas Walworth Washington Waukesha Waupaca Winnebago
Beach	--Any Beach-- 5 1/2 Mile Road 6th Ave W Beach ABA Beach Ackerman's Grove Park Beach Alford Park Beach Allouez Bay Beach 1 Allouez Bay Beach 2 Allouez Bay Lot 10 Amnicon River Beach Amsterdam Beach Anclam Park Beach Anvil Lake Beach Apple River - Star Prairie Town Park Apple River Lower Site Apple River Midpoint Apple River Upper Asylum Point Park and Boat Landing Atwater Park Beach Baileys Harbor Ridges Park Beach Bark Bay Beaches Barker's Island Inner Beach Barker's Island Outer Beach Bartel's Beach Bay Beach Bay View Park Beach Bayshore Park Beach Bayview Park Beach Bender Beach Big Arbor Vitae Beach Big Bay State Park Beach Big Bay Town Park Beach Big Foot Beach SP Swim Area Big Muskellunge Lake Group Campground Beach Black Oak Lake Beach Black River Fall SF--Pigeon Creek Black River Fall SF-Robinson Pond Black Wolf Boat Landing Blue Harbor Beach Blue Rail Marina Beach Bono Creek Boat Launch Beach Boom Bay Boat Landing Bradford Beach Brandy Lake Beach Broad Street Beach Brown's Beach Browntown-Cadiz Springs SRA - Beckman Lake Brule River State Forest Beach 1 Brule River State Forest Beach 2 Brule River State Forest Beach 3 Brunet Island State Park Beach Buccaneer Pond Buckhorn State Park Beach Bukolt Park Camp Grow Beach Casper Road Beach Cedar Beach Rd Beach City of Lake Geneva Public Beach Clark Lake Clay Banks Beach 2 Clear Lake Beach at Blackhawk Campground Clear Lake Campground Beach Clear Lake Picnic Beach Collins Park Communiversity Park Beach Concordia University Copper Falls SP Beach Council Grounds State Park Beach County Road D Boat Launch Beach Cox Hollow Beach - Gov Dodge SP Crescent Beach Crystal Lake Beach (East) Crystal Lake Beach (North) Crystal Lake Beach (West) Crystal Lake(Lincoln Cty) Deland Park Beach Delavan Township Park Devil's Lake SP - North Shore Beach Devil's Lake State Park - South Shore Beach Dike Beach Dodge Memorial County Park Beach Eagle Lake Beach East Arbutus Eau Galle Rec Area Beach Echo Lake Egg Harbor Beach Eichelman Beach Ellison Bay Town Park Beach Ephraim Beach Europe Bay Beach 1 Europe Bay Beach 3 Europe Lake Beach Fireman's Park Beach Fischer Park Beaches Fish Creek Beach Fresh Air Park Fritse Park General King Park Beach Gile Flowage Beach Gislason Beach Glass Pond Beach Glen Hills Beach Gov Nelson State Park -- Lake Mendota Grand Portage Lake Grant Park Beach Grundman Park Boat Landing Haines Park Beach Harrington SP Beach North (pre 2016) Harrington SP Beach South (pre 2016) Harrington State Park Beach North Harrington State Park Beach South Hartman Creek State Park Beach Hattie Sherwood Beach Herbster Beach High Cliff SP - Lake Winnebago Beach Hika Park Bay Hinman Park Beach Hotz Memorial Park (Europe Bay #2) House in The Wood Beach Hunter Lake Beach Indian Mounds Picnic Beach Iverson Park Jackson Harbor Ridges - WI Jag Lake Beach Jordan Park KK Road Beach Kangaroo Lake Kentuck Lake Beach Kettle Moraine RD KMSF Pike Lake Beach Kettle Moraine SF - Northern Unit - Long Lake North Beach Kettle Moraine SF - Northern Unit - Long Lake South Beach Kettle Moraine SF - Northern Unit - Mauthe Lake Kinnickinnic SP Kite Surfing Area - Clara Ave Klode Park Beach Kohler Andrae State Park Nature Center Beach Kohler Andrae State Park North Beach Kohler Andrae State Park North Picnic Beach Kohler Andrae State Park North/Nature Center Beach Kohler Andrae State Park Picnic Beach North and South Kohler Andrae State Park South Picnic Beach Kreher Park Beach La Pointe Memorial Beach Lac Vieux Desert Beach Lake Butte des Morts Boat Landing Lake Dubay Beach Lake Emily Lake Front Beach Lake Helen Lake Kegonsa State Park Beach Lake Pacawa Lake Poygan Bay Lane Boat Landing Lake Poygan Boat Landing Lake Ripley Beach Lake Sinsissippi - Butternut Island Lake Sinsissippi - Hubbard Boat Launch Lake Sinsissippi - Hustisford Ski Club Dock Lake Sinsissippi - Neider Park Landing Lake Wissota State Park Beach Lake of the Falls Beach Lakeland Campground Beach -- 2803 E. State Rd. 59 Lakeshore Park North Lakeshore State Park Lakeside Park Beach Lakeview Campground Beach -- 1901 E. State Rd. 59 Leonard Yahr Park Beach Lily Bay Boat Launch Beach Linn Pier Road Beach Lion's Den Gorge Nature Preserve Lions Park Beach Little Herb and Dolly Smith Park (kayak launch area) Little Sand Bay Beach Little Star Lake Picnic Beach Longtail Beach Lower Spring Lake Beach Mary Park Beach Maslowski Beaches (East) Maslowski Beaches (West) McKinley Beach Mead Park Memorial Beach Bayfield Memorial Drive Mariners at Waldo Memorial Drive Parkway Memorial Drive Thiede Memorial Park Beach Washburn Memorial Park at Booth Lake Menominee Park Meyers Beach Michigan Boulevard Beach Middle River Beach Mill Bluff State Park Beach Mirror Lake SP Beach Murphy Park Beach Musky Point Beach Myers Park Beach Neshotah Beach Newman Lake Campground Beach Newport Bay Beach Nichols Lake Picnic Beach Nicolet Beach North Beach North Twin Beach Old Veteran Lake Beach Olympia Brown (Curley Rd) Oronto Bay Beach Oronto Bay Beach 1 Oronto Bay Beach 2 Oronto Bay Beach 3 Ottawa Lake Beach Otter Lake Otumba Park Beach Palmer Park Beach Parkway Beach Pattison State Park Beach Pebble Road Beach Pembles Beach Pennoyer Park Beach Perch Lake Beach Percy Johnson Memorial Park Beach Peterson Park Phillips City Beach Pilgrim Center Beach Pixley Flowage -- Smith Lake County Park Point Beach State Forest - Concession Stand Beach Point Beach State Forest - Lakeshore Picnic Area Beach Point Beach State Forest - Lighthouse Picnic Area Beach Port Wing Beach East Port Wing Beach West Portage Park Beach Prairie Shores (Lakeshore Drive) Presque Isle Swim Beach Red Arrow Marinette 1 Beach Red Arrow Park Beach Manitowoc Richard Bong State Rec Area - Vern Wolf Lake Beach Robert E LaSalle Park Rock Island State Park Beach Rock Lake Ferry Park Beach Rock River - River Bend Park Rock River Traxler Park Water Skier's Platform Sackett Lake Beach Sand Bay Beach 1 Sand Dune Beach Sandy Bay Town Park Beach Sandy Beach Sandy Beach East Sandy Beach Road Beach Sandy Beach West Sandy Knoll County Park Beach Sara Park Beach Saxon Harbor Beach East Saxon Harbor Beach West School House Beach Selner Park Shoop Park Beach Siena Center Silver Creek - Boat Launch at Spaulding Road Silver Creek - Culvert West of Ripon Silver Lake Beach Simmons Island Beach Sioux River Beach North Sioux River Beach South Siskiwit Bay Beach East Siskiwit Bay Beach West Sister Bay Beach Solberg Lake North Swimming Beach Solberg Lake Campground Beach South Beach South Harper Beach South Shore Beach South Shore Rocky Beach Southport Park Beach Sturgeon Bay Ship Canal Nature Preserve Sunset Beach Fish Creek Sunset County Park Sunset Lake Sunset Park Beach Sturgeon Bay Thompson West End Park Beach Tietjen Beach / Doctor's Park Timm's Hill Park Beach Torch Lake Beach Town of Dunbar Beach -- Lily Lake Town of Linn - Robinson Hillside Beach Trempealeau River - Pietrek County Park Beach Troy Beach Tug Lake Twin Valley Beach -- Gov Dodge SP Tyranena Park Upper Lake Park Beach Van Ess Road Beach Village of Butte des Morts Boat Landing Village of Fontana Public Beach Village of Winneconne Park Swim Area Virtual Beach Virtual Beach Hawaii Warm Water Beach Washburn Marina Beach Washburn Walking Trail Beach / BAB Beach Washington Avenue Beach Watercraft Beach Wazee Lake Weber Beach Wellington Lake Beach West Arbutus Whitefish Bay Boat Launch Beach Whitefish Dunes Beach Whitewater Lake Beach - Kettle Moraine SF Wikdal Memorial Boat Launch Beach Williams Bay Beach Willow River SP Little Fall Lake Beach Wind Point Lighthouse Beach Winnebago County Community Park Swim Area Wisconsin Point Dutchman Creek Wisconsin Point Lighthouse Wisconsin Point Lot 1 Wisconsin Point Lot 13 Wisconsin Point Lot 9 Wisconsin Point Shafer Beach (#2) Wolf Lake Wood Lake YMCA Beach Yellowstone Lake State Park Swim Beach Zoo Beach
Start Date
End Date		Search

County	Beach	Station name	Sample date/time	E. Coli Remark	E. Coli Value	E. Coli Units	Water temp. (F)
Ashland	6th Ave W Beach	Center of beach	05/27/2020 11:40		866.4	MPN	68
Ashland	Bayview Park Beach	Center of beach	05/27/2020 11:06		167	MPN/100ml	66
Ashland	Kreher Park Beach	Center of beach	05/27/2020 11:25		201.4	MPN/100ml	67
Ashland	Maslowski Beaches (East)	Center of beach	05/27/2020 12:08		61.3	MPN/100ml	Not available
Ashland	Maslowski Beaches (West)	Center of beach	05/27/2020 12:19		34.5	MPN/100ml	70
Bayfield	Herbster Beach	Center of beach	05/27/2020 10:23	NONE	579.4	MPN/100ml	52
Bayfield	Sioux River Beach North	Center of beach	05/27/2020 11:31	NONE	2	MPN/100ml	66
Bayfield	Sioux River Beach South	North of Kjarvick Rd	05/27/2020 11:39	NONE	1413.6	MPN/100ml	66
Bayfield	Siskiwit Bay Beach East	Center of beach	05/27/2020 10:49	<	1	MPN/100ml	61
Bayfield	Siskiwit Bay Beach West	Center of beach	05/27/2020 10:43	NONE	2	MPN/100ml	62
Bayfield	Thompson West End Park Beach	Center of beach	05/27/2020 11:53	NONE	50.4	MPN/100ml	151
Brown	Bayshore Park Beach	Center of beach	05/27/2020 10:07		2	MPN/100ml	59
Brown	Bayshore Park Beach	Center of beach	05/21/2020 13:35		8.4	MPN/100ml	60
Calumet	High Cliff SP - Lake Winnebago Beach	Center of beach	05/20/2020 10:30		11	/100 ML	Not available
Dane	Gov Nelson State Park -- Lake Mendota	Center of beach	05/20/2020 08:40		387	/100 ML	Not available
Download to csv row(s) 1 - 15 of 124 Next