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?

66,311 observations

+490 new observations added in the past 30 days

Watling Park - Pinecone/Middle Bridge (Downstream) : Burnt Oak Brook

London, Barnet, United Kingdom

Observed by
Kath Vos
Fri, 18 Jul 2025 17:30:00 +0100

Burnett Road, Erith : Erith Marshes

Erith, England, United Kingdom

Observed by
Paul Brewster
Fri, 18 Jul 2025 16:30:00 +0000

Burnett Road, Erith : Erith Marshes

Erith, England, United Kingdom

Observed by
Paul Brewster
Fri, 18 Jul 2025 16:30:00 +0000

U/S Station Road : River Wey

Isington, Hampshire, United Kingdom

Observed by
keith shepherd
Fri, 18 Jul 2025 16:30:00 +0000

Root River off Hwy 17 N (near Teen Challenge) : Root River

Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 12:13:00 -0400

Root River Branch Fourth Line E : Root River Branch

Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 11:28:00 -0400

LeFleurs Bluff State Park : Pearl River

Jackson, Mississippi, United States

Observed by
Aimée Cole
Fri, 18 Jul 2025 10:12:00 -0500

Root River Wishart Park : Root River

Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 10:53:00 -0400

Crystal Creek Case Rd : Crystal Creek

Rankin Location Indian Reserve 15d, Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 10:32:00 -0400

Lakeside Park Beach - North Shore : Lake Huron

Thessalon, Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 10:20:00 -0400

Lake Huron : Lake Huron

Thessalon, Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 10:10:00 -0400

Cold Water Creek at Old Garden River Road : Cold Water Creek

Rankin Location Indian Reserve 15d, Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 10:08:00 -0400

Root River Old Garden River : Root River

Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 09:40:00 -0400

Evan's Creek : Evan's Creek

Thessalon, Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 09:30:00 -0400

Mississippi Lake - by Willis Island : Mississippi Lake

Ontario, Canada

Observed by
Jim Alexander
Fri, 18 Jul 2025 09:30:00 -0400

North River Boathouse : North River

Baddeck, Nova Scotia, Canada

Observed by
Veronika Brzeski
Fri, 18 Jul 2025 10:23:00 -0300

Whitehall Outfall 5a : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 18 Jul 2025 12:35:00 +0100

Whitehall Outfall 5b : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 18 Jul 2025 12:35:00 +0100

Site 9 : Lake Muskoka

Gravenhurst, Ontario, Canada

Observed by
Robert Haag
Fri, 18 Jul 2025 11:23:25 +0000

Lordship Recreation Ground (Downstream) : Moselle Brook

London, Haringey, United Kingdom

Observed by
Caroline Jepson
Fri, 18 Jul 2025 11:20:00 +0100