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?

64,703 observations

+863 new observations added in the past 30 days

Fosse GM1 : Lac Gilmour

Val-des-Monts, Quebec, Canada

Observed by
Anne Glasgow
Sat, 12 Jul 2025 08:06:00 -0400

St Joseph Hood Memorial Playing Fields : Brook

London, Merton, United Kingdom

Observed by
Graham Bell
Sat, 12 Jul 2025 08:37:06 +0000

Vincent Road : The Ching

London, Waltham Forest, United Kingdom

Observed by
Jackie Switzer
Sat, 12 Jul 2025 08:30:00 +0100

Blue anchor : St.Lawrence river

Cornwall, Ontario, Canada

Observed by
Sareena McDonald
Sat, 12 Jul 2025 00:22:27 +0000

Old Highway 13 Bridge : Pearl River

Lena, Mississippi, United States

Observed by
Foch Dickens
Fri, 11 Jul 2025 17:41:15 -0500

Highway 35 Bridge : Pearl River

Carthage, Mississippi, United States

Observed by
Foch Dickens
Fri, 11 Jul 2025 17:13:16 -0500

Summerstown : St. Lawrence

Cornwall, Ontario, Canada

Observed by
Mark Bellis
Fri, 11 Jul 2025 17:40:00 -0400

Grays Creek Marina : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
James Hardiment
Fri, 11 Jul 2025 14:30:00 +0000

Glen Walter : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
James Hardiment
Fri, 11 Jul 2025 13:57:00 +0000

Montreal Rd. Culvert outflow : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
Katherine Tieman
Fri, 11 Jul 2025 09:02:00 -0400

Near Montreal Rd. Culvert outflow, outside of pit : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
Katherine Tieman
Fri, 11 Jul 2025 09:02:00 -0400

St. Lawrence River Dock River Intitute : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
Katherine Tieman
Fri, 11 Jul 2025 08:43:00 -0400

Cornwall : St Lawrence River

Ontario, Canada

Observed by
Katherine Tieman
Fri, 11 Jul 2025 08:31:00 -0400

Newgate Street : The Ching

Buckhurst Hill, Waltham Forest, United Kingdom

Observed by
Martin Curry
Fri, 11 Jul 2025 12:15:00 +0000

D/S Whitehall Rd : The Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Martin Curry
Fri, 11 Jul 2025 12:05:00 +0000

Whitehall Outfalls : The Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Martin Curry
Fri, 11 Jul 2025 12:00:00 +0000

Brook Farm Open Space : Dollis Brook

London, Barnet, United Kingdom

Observed by
Dianne Murphy
Fri, 11 Jul 2025 11:19:00 +0100

9 Gordon Ave E4 : The Ching

London, Waltham Forest, United Kingdom

Observed by
Janet Laban
Fri, 11 Jul 2025 11:00:00 +0100

Highams Park Lake : The Ching

London, Waltham Forest, United Kingdom

Observed by
Janet Laban
Fri, 11 Jul 2025 10:30:00 +0100

Chandos Park (Upstream) : Edgware Brook

London, Harrow, United Kingdom

Observed by
Trevor Steeples
Fri, 11 Jul 2025 10:20:00 +0100