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?

62,098 observations

+649 new observations added in the past 30 days

Water source for town of Larder Lake : Glendalough Lake

Ontario, Canada

Observed by
Don Ross
Mon, 01 May 2023 20:02:00 -0400

Larder Lake Marina : Larder Lake

Ontario, Canada

Observed by
Don Ross
Mon, 01 May 2023 20:01:00 -0400

Curtis Creek : Curtis Creek

Quincy, Illinois, United States

Observed by
Jean Reddington
Mon, 01 May 2023 17:49:00 -0500

Black Oaks Heritage Park (Windsor) : Detroit River

Ontario, Canada

Observed by
Isabelle Kolodziej
Mon, 01 May 2023 17:54:00 -0400

River Wey, Upstream of Bowers Lock : River Wey

Burpham, Surrey, United Kingdom

Observed by
Fiona Poulter
Mon, 01 May 2023 20:49:00 +0100

Lumsden : Qu’Appelle River

Lumsden, Saskatchewan, Canada

Observed by
Amy Sanderson
Mon, 01 May 2023 11:20:00 -0600

River Canard (Lasalle) : Canard River

Ontario, Canada

Observed by
Isabelle Kolodziej
Mon, 01 May 2023 12:46:00 -0400

Dapdune Wharf : River Wey

Guildford, Surrey, United Kingdom

Observed by
Gary Hodsdon
Mon, 01 May 2023 17:15:00 +0100

Waterfall Walk 2 (Downstream) : Pymmes Brook

London, Barnet, United Kingdom

Observed by
Philly Nicholls
Mon, 01 May 2023 14:45:00 +0100

Waterfall Walk 3 (at the outfall) : Pymmes Brook

London, Barnet, United Kingdom

Observed by
Philly Nicholls
Mon, 01 May 2023 13:30:00 +0100

Waterfall Walk 1 (Upstream) : Pymmes Brook

London, Barnet, United Kingdom

Observed by
Philly Nicholls
Mon, 01 May 2023 13:30:00 +0100

Woodbridge Meadows : River Wey

Guildford, Surrey, United Kingdom

Observed by
Sam Peters
Mon, 01 May 2023 08:45:00 +0100

Upstream from A3 and B&Q : River Wey

Guildford, Surrey, United Kingdom

Observed by
Sam Peters
Mon, 01 May 2023 08:30:00 +0100

Friends Bridge : Lea (Old River Lea)

London, Hackney, United Kingdom

Observed by
Peter Mudge
Mon, 01 May 2023 08:20:00 +0100

Reed's Bay : Lake Ontario

Ontario, Canada

Observed by
Watersheds Canada
Mon, 01 May 2023 00:00:00 -0400

Jones Falls, On : Sand Lake

Chaffeys Locks, Ontario, Canada

Observed by
Watersheds Canada
Mon, 01 May 2023 00:00:00 -0400

Location of natural spring : Sand Lake

Ontario, Canada

Observed by
Watersheds Canada
Mon, 01 May 2023 00:00:00 -0400