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?

65,195 observations

+1,005 new observations added in the past 30 days

Tewkesbury Nature Reserve: Downstream of central foot bridge : River Swilgate

Cheltenham, Gloucestershire, United Kingdom

Observed by
Giles Alder
Mon, 24 Apr 2023 14:10:00 +0100

KC's Dock : Lake Cane

Orlando, Florida, United States

Observed by
Casey Johnson
Mon, 24 Apr 2023 08:55:00 -0400

Downstream of Slyfield Treatment Works : River Wey

Burpham, Surrey, United Kingdom

Observed by
Sarah Davis
Mon, 24 Apr 2023 11:45:00 +0100

Stoke Lock Pontoon : River Wey

Burpham, Surrey, United Kingdom

Observed by
Sarah Davis
Mon, 24 Apr 2023 11:00:00 +0100

Gravel bar : Stikine River

British Columbia, Canada

Observed by
Tū’dese̲’chō Wholistic Indigenous Leadership Development Society
Sun, 23 Apr 2023 14:55:00 -0700

1.3 Monteith : Bowker Creek

Victoria, British Columbia, Canada

Observed by
val aloian
Sun, 23 Apr 2023 14:37:31 -0700

Harms Woods/Glenview Woods : North Branch of the Chicago River

Glenview, Illinois, United States

Observed by
Mac Austin
Sun, 23 Apr 2023 16:28:28 -0500

Sangamon River Forest Preserve : Wildcat Slough

Mahomet, Illinois, United States

Observed by
Bruce M Colravy
Sun, 23 Apr 2023 15:37:00 -0500

Sangamon River Forest Preserve site : Sangamon River

Fisher, Illinois, United States

Observed by
Bruce M Colravy
Sun, 23 Apr 2023 15:22:00 -0500

Lake of the Woods Forest Preserve : Sangamon River

Mahomet, Illinois, United States

Observed by
Bruce M Colravy
Sun, 23 Apr 2023 14:54:00 -0500

Fullersburg Woods near Flat Bridge : Salt Creek

Oak Brook, Illinois, United States

Observed by
Stephanie Rens-Domiano
Sun, 23 Apr 2023 14:20:00 -0500

Tillingbourne : River Tillingbourne

Guildford, Surrey, United Kingdom

Observed by
Anna Pohorely
Sun, 23 Apr 2023 18:15:00 +0100

Stream running through Dunsfold downstream of Chiddingfold : Lox Tributary

Dunsfold, Surrey, United Kingdom

Observed by
Angus Sim
Sun, 23 Apr 2023 17:30:00 +0100

St Catherines swimming spot : River Wey

Guildford, Surrey, United Kingdom

Observed by
Desmond Bell
Sun, 23 Apr 2023 15:41:00 +0100

River Bend Forest Preserve site : Sangamon River

Mahomet, Illinois, United States

Observed by
Bruce M Colravy
Sun, 23 Apr 2023 07:44:00 -0500

Home Farm : South Wey

Waverley Borough, Surrey, United Kingdom

Observed by
Stephen Chesters
Sun, 23 Apr 2023 12:22:00 +0000

Dapdune Wharf : River Wey

Guildford, Surrey, United Kingdom

Observed by
Gary Hodsdon
Sun, 23 Apr 2023 12:25:00 +0100

Grovelands Park Lake Entry : Salmons Brook/Houndsden Gutter/Grovelands Stream

London, Enfield, United Kingdom

Observed by
Philly Nicholls
Sun, 23 Apr 2023 11:20:00 +0100

Grovelands Park Lake Outfall by cafe and dam : Salmons Brook/Houndsden Gutter/Grovelands Stream

London, Enfield, United Kingdom

Observed by
Philly Nicholls
Sun, 23 Apr 2023 11:20:00 +0100

St Catherines swimming spot : River Wey

Guildford, Surrey, United Kingdom

Observed by
Kate Riley
Sun, 23 Apr 2023 11:00:00 +0100