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?

65,703 observations

+944 new observations added in the past 30 days

Hospital Beach : Lake Ontario

Kingston, Ontario, Canada

Observed by
Swim Drink Fish Canada
Wed, 09 Aug 2023 20:00:00 -0400

Bathurst Quay : Lake Ontario

Toronto, Ontario, Canada

Observed by
Isabel Fleisher
Wed, 09 Aug 2023 20:00:00 -0400

Ontario Place : Lake Ontario

Toronto, Ontario, Canada

Observed by
Isabel Fleisher
Thu, 10 Aug 2023 00:00:00 +0000

Rees_Street_Slip : Lake Ontario

Toronto, Ontario, Canada

Observed by
Isabel Fleisher
Thu, 10 Aug 2023 00:00:00 +0000

Capilano Boat Launch : North Saskatchewan River

Edmonton, Alberta, Canada

Observed by
Swim Drink Fish Canada
Wed, 09 Aug 2023 18:00:00 -0600

D'Lo Water Park : Strong River

D Lo, Mississippi, United States

Observed by
William W Mitchell
Wed, 09 Aug 2023 16:40:00 -0500

Hwy 149 : Sellers Creek

Mendenhall, Mississippi, United States

Observed by
William W Mitchell
Wed, 09 Aug 2023 16:20:00 -0500

S Main St. Bridge : Sellers Creek

Mendenhall, Mississippi, United States

Observed by
William W Mitchell
Wed, 09 Aug 2023 16:10:00 -0500

Merit Water Park : Rials Creek

Mendenhall, Mississippi, United States

Observed by
William W Mitchell
Wed, 09 Aug 2023 15:50:00 -0500

Fosse DO2 : Lac Dodds

Quebec, Canada

Observed by
Lily-Rose Comtois (mesureur 2)
Wed, 09 Aug 2023 13:30:00 -0400

Humboldt Lake@private dock : Humboldt Lake

Saskatchewan, Canada

Observed by
Christine A Bunko
Wed, 09 Aug 2023 11:17:00 -0600

Tewkesbury Nature Reserve: River fly sample point : River Swilgate

Cheltenham, Gloucestershire, United Kingdom

Observed by
Giles Alder
Wed, 09 Aug 2023 18:15:00 +0100

Fosse DO1 : Lac Dodds

Quebec, Canada

Observed by
Lily-Rose Comtois (mesureur 2)
Wed, 09 Aug 2023 13:10:00 -0400

End of Hopps Bay : Hopps Bay

Ontario, Canada

Observed by
Mohawk Council of Akwesasne (MCA)
Wed, 09 Aug 2023 12:50:00 -0400

End of Hopps Bay : Hopps Bay

Ontario, Canada

Observed by
Emma Ehrenfeld
Wed, 09 Aug 2023 12:35:00 -0400

Fosse DA2 : Lac Dame

Quebec, Canada

Observed by
John Higgins
Wed, 09 Aug 2023 12:00:00 -0400

Fosse DA1 : Lac Dame

Quebec, Canada

Observed by
John Higgins
Wed, 09 Aug 2023 11:30:00 -0400

Brook Creek North : Brook creek north

Cobourg, Ontario, Canada

Observed by
Jonathan Brown
Wed, 09 Aug 2023 14:56:00 +0000

Fosse ST1 : Lac Star

Val-des-Monts, Quebec, Canada

Observed by
Lily-Rose Comtois (mesureur 2)
Wed, 09 Aug 2023 10:40:00 -0400

Bluff Creek at Vancleave : Bluff Creek - Pascagoula River

Ocean Springs, Mississippi, United States

Observed by
Neeka King
Wed, 09 Aug 2023 09:16:00 -0500