Observations

Testers upload observations each time they test at a location. Each individual observation report shows you the measurements taken on a specific day at a specific location. What's this?

64,286 observations

+720 new observations added in the past 30 days

Millmead, Near High Street Bridge, Guildford : River Wey

Guildford, Surrey, United Kingdom

Observed by
Kat Kavanagh
Tue, 10 May 2022 11:30:00 +0100

Ziemer Riverside : West Branch, DuPage River

Warrenville, Illinois, United States

Observed by
Raymond Ziemer
Mon, 09 May 2022 16:35:00 -0500

Fabyan Forest Preserve : Fox River

Geneva, Illinois, United States

Observed by
Maureen Huey
Mon, 09 May 2022 12:38:00 -0500

Millview Parksite, Cariboo Heights Forest, Burnaby, BC : Millview Parksite Settling Pond

Burnaby, British Columbia, Canada

Observed by
Utta Gagel
Mon, 09 May 2022 10:31:00 -0700

Sioux Park Rosedale Watershed : Lake Ontario

Burlington, Ontario, Canada

Observed by
Rachel Irwin [Staff]
Mon, 09 May 2022 13:15:17 -0400

Seep, Cariboo Heights Forest, Burnaby, BC : Brunette River Watershed

Burnaby, British Columbia, Canada

Observed by
Utta Gagel
Mon, 09 May 2022 09:44:00 -0700

Lake Kathlyn - 200m from shore in front of Lot 14, Plan PRP1243 : Lake Kathlyn

Smithers, British Columbia, Canada

Observed by
Terry Stuart
Mon, 09 May 2022 09:30:00 -0700

Sharbot Lake East Basin : Sharbot Lake

Ontario, Canada

Observed by
Guy MacLeod
Mon, 09 May 2022 06:03:00 +0000

Upper lake Lafontaine : Stagnant still water.

Montreal, Quebec, Canada

Observed by
Christophe Lachance-Brais
Sun, 08 May 2022 17:22:00 -0400

Port Bruce, Ontario, Canada : Lake Erie Port Bruce Provincial Park

Ontario, Canada

Observed by
Elise Gabrielli
Sun, 08 May 2022 11:36:00 -0400

Government Pier - Colpoy's Bay : Georgian Bay - Colpoy's Bay

Wiarton, Ontario, Canada

Observed by
Mallory Beach Ratepayer's Association
Sun, 08 May 2022 10:15:00 -0400

Downstream from suspension bridge at Hebden : River Wharfe

Burnsall, North Yorkshire, United Kingdom

Observed by
Alistair Young
Sun, 08 May 2022 11:23:00 +0100

Water source for town of Larder Lake : Glendalough Lake

Ontario, Canada

Observed by
Don Ross
Sat, 07 May 2022 23:24:00 -0400

Larder Lake Marina : Larder Lake

Ontario, Canada

Observed by
Don Ross
Sat, 07 May 2022 23:15:00 -0400

Temagami Seaplane Base on Hwy 11 : Lake Temagami

Temagami, Ontario, Canada

Observed by
Don Ross
Sat, 07 May 2022 22:49:00 -0400

Parc de la Pointe-Merry : Lac Memphrémagog

Magog, Quebec, Canada

Observed by
Marie-Hélène Venne
Sat, 07 May 2022 19:36:00 -0400

Virginiatown Community Park & Boat Launch/Marina : Larder Lake

Ontario, Canada

Observed by
Don Ross
Sat, 07 May 2022 18:42:00 -0400

Granby : Lac Boivin

Granby, Quebec, Canada

Observed by
Marie-Hélène Venne
Sat, 07 May 2022 18:30:00 -0400

Lac Parent : Lac Parent

Quebec, Canada

Observed by
Annie Gosselin
Sat, 07 May 2022 17:56:00 -0400