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?

66,522 observations

+60 new observations added in the past 30 days

Museum inlet : St.Lawrence river

Cornwall, Ontario, Canada

Observed by
Sareena McDonald
Fri, 18 Jul 2025 21:30:08 +0000

Muskeg Creek : Muskeg Creek

Athabasca, Alberta, Canada

Observed by
Fiona Gregory
Fri, 18 Jul 2025 15:30:00 -0600

Lakeshore Park : Ross Barnett Reservoir

Brandon, Mississippi, United States

Observed by
Nicole Mills
Fri, 18 Jul 2025 14:26:00 -0500

East Davignon Farwell Terrace (near Tim Hortons) : East Davignon Creek

Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 14:43:00 -0400

Big Carp River Herkimer Rd : Big Carp River

Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 14:00:00 -0400

Museum inlet : St.Lawrence river

Cornwall, Ontario, Canada

Observed by
Sareena McDonald
Fri, 18 Jul 2025 17:30:00 +0000

Watling Park - Abbots Rd Bridge (Upstream) : Burnt Oak Brook

London, Barnet, United Kingdom

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

East Davignon Creek Allens Side (N of 2nd Ln W) : East Davignon Creek

Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 12:57:00 -0400

Erith Marshes outflow to Thames : Erith Marshes

Erith, England, United Kingdom

Observed by
Paul Brewster
Fri, 18 Jul 2025 16:45:00 +0000

Watling Park : New Wetland Outfall into Burnt Oak Brook

Edgware, England, United Kingdom

Observed by
Kath Vos
Fri, 18 Jul 2025 16:45:00 +0000

Canon Creek Old Goulais Bay Rd : Canon Creek

Ontario, Canada

Observed by
Community Volunteers
Fri, 18 Jul 2025 12:34:00 -0400

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

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

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