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?

66,050 observations

+789 new observations added in the past 30 days

Fosse G2 : Lac Grand

Val-des-Monts, Quebec, Canada

Observed by
Timothy Frank
Fri, 15 Aug 2025 15:25:00 -0400

Fosse G3 : Lac Grand

Val-des-Monts, Quebec, Canada

Observed by
Timothy Frank
Fri, 15 Aug 2025 15:15:00 -0400

Highway 35 Bridge : Pearl River

Carthage, Mississippi, United States

Observed by
Foch Dickens
Fri, 15 Aug 2025 14:00:00 -0500

Lac à la balle : Lac à la balle

Saint Félix D'Otis, Quebec, Canada

Observed by
Denis Otis
Fri, 15 Aug 2025 18:49:56 +0000

Whitehall Plain : The Ching

Buckhurst Hill, Waltham Forest, United Kingdom

Observed by
Mo Tausif
Fri, 15 Aug 2025 18:05:00 +0100

Footbridge near Rangers Road : Ching Brook

Buckhurst Hill, Essex, United Kingdom

Observed by
Mo Tausif
Fri, 15 Aug 2025 17:35:00 +0100

Mississippi Lake - by Willis Island : Mississippi Lake

Ontario, Canada

Observed by
Jim Alexander
Fri, 15 Aug 2025 11:20:00 -0400

École secondaire publique L'Héritage : St. Lawrence River

Ontario, Canada

Observed by
de Haan Family
Fri, 15 Aug 2025 11:19:10 -0400

Barabara Rd at Lake Huron : Lake Huron

Thessalon, Ontario, Canada

Observed by
Huron North Community Volunteers
Fri, 15 Aug 2025 11:05:00 -0400

Sinclair Shore - Dock : Mississippi Lake

Ontario, Canada

Observed by
Jim Alexander
Fri, 15 Aug 2025 10:45:00 -0400

Whitefish Island East Viewing Platform : St Marys River

Sault Ste. Marie, Ontario, Canada

Observed by
Community Volunteers
Fri, 15 Aug 2025 07:56:00 -0400

Site 9 : Lake Muskoka

Gravenhurst, Ontario, Canada

Observed by
Robert Haag
Fri, 15 Aug 2025 11:17:42 +0000

Folly Lane EA monitoring point : The Ching

London, Waltham Forest, United Kingdom

Observed by
Lis Loebner
Fri, 15 Aug 2025 10:40:00 +0100

Highams Park Lake : The Ching

London, Waltham Forest, United Kingdom

Observed by
Janet Laban
Fri, 15 Aug 2025 10:25:00 +0100

Whitehall Outfall 5b : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 15 Aug 2025 09:40:00 +0100

Whitehall Outfall 5a : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 15 Aug 2025 09:35:00 +0100

9 Gordon Ave E4 : The Ching

London, Waltham Forest, United Kingdom

Observed by
Janet Laban
Fri, 15 Aug 2025 09:29:00 +0100

Beech Hall : The Ching

London, Waltham Forest, United Kingdom

Observed by
Natasha Furlong
Fri, 15 Aug 2025 08:50:00 +0100

Summerstown : St. Lawrence

Cornwall, Ontario, Canada

Observed by
Mark Bellis
Thu, 14 Aug 2025 20:47:00 -0400

Gros Cap - Lake Superior : Lake Superior

Ontario, Canada

Observed by
Community Volunteers
Thu, 14 Aug 2025 16:52:00 -0400