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?

62,760 observations

+694 new observations added in the past 30 days

Mundy Park : Mundy Lake

Coquitlam, British Columbia, Canada

Observed by
C E Thomson
Sun, 28 Apr 2024 09:20:00 -0700

Shalford Mill : River Tillingbourne

Guildford, Surrey, United Kingdom

Observed by
Anna Pohorely
Sun, 28 Apr 2024 17:15:00 +0100

River Canard (Lasalle) : Canard River

Ontario, Canada

Observed by
Isabelle Kolodziej
Sun, 28 Apr 2024 11:57:00 -0400

SLSWB : Sharbot Lake

Ontario, Canada

Observed by
Mary Keith
Sun, 28 Apr 2024 11:51:00 -0400

Mundy Park : Lost Lake

Coquitlam, British Columbia, Canada

Observed by
C E Thomson
Sun, 28 Apr 2024 08:45:00 -0700

Glen Crest Creek at Willowbrook Forest Preserve : Glen Crest Creek

Glen Ellyn, Illinois, United States

Observed by
Mark Thomas
Sun, 28 Apr 2024 10:30:00 -0500

SLNWB : Sharbot Lake North West Basin

Ontario, Canada

Observed by
Mary Keith
Sun, 28 Apr 2024 11:26:00 -0400

Milford Haven : Koshkawong River

Ontario, Canada

Observed by
Janice Fairfax
Sun, 28 Apr 2024 11:20:00 -0400

Windsor : Lake St. Clair

Tecumseh, Ontario, Canada

Observed by
Isabelle Kolodziej
Sun, 28 Apr 2024 11:15:00 -0400

SLMWB : Sharbot Lake

Ontario, Canada

Observed by
Mary Keith
Sun, 28 Apr 2024 11:02:00 -0400

East Branch DuPage River at Hidden Lake Forest Preserve : East Branch DuPage River

Downers Grove, Illinois, United States

Observed by
Mark Thomas
Sun, 28 Apr 2024 10:00:00 -0500

Jocelyn Township Park : Lake Huron

Ontario, Canada

Observed by
Janice Fairfax
Sun, 28 Apr 2024 10:50:00 -0400

Green Road : Lake Huron

Ontario, Canada

Observed by
Tracey Pingle
Sun, 28 Apr 2024 10:45:00 -0400

Lake Erie north shore : Lake Erie

Leamington, Ontario, Canada

Observed by
Jeff Watson
Sun, 28 Apr 2024 10:38:34 -0400

Wildwood golf course north side : Cranleigh Waters

Surrey, United Kingdom

Observed by
Fizz Williams
Sun, 28 Apr 2024 15:38:00 +0100

SLCWB : Sharbot Lake

Ontario, Canada

Observed by
Mary Keith
Sun, 28 Apr 2024 10:30:00 -0400

Sammy’s snail Gunpowder Mills : Tillingbourne

Bramley, Surrey, United Kingdom

Observed by
Stephanie Mansell
Sun, 28 Apr 2024 14:28:00 +0000

Near Marina : Lake Erie

Port Dover, Ontario, Canada

Observed by
Chris Keast
Sun, 28 Apr 2024 10:22:00 -0400

Wildwood golf course south side : Cranleigh Waters

Surrey, United Kingdom

Observed by
Fizz Williams
Sun, 28 Apr 2024 15:02:00 +0100

DragonFly : River Wey

Waverley Borough, Surrey, United Kingdom

Observed by
Simon Bleach
Sun, 28 Apr 2024 15:00:00 +0100