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?

66,376 observations

+362 new observations added in the past 30 days

Smiths Bay : Smiths Bay on Lake Ontario

Ontario, Canada

Observed by
Heather Ross
Fri, 21 Oct 2022 10:55:00 -0400

Friends Bridge : Lea (Old River Lea)

London, Hackney, United Kingdom

Observed by
Peter Mudge
Fri, 21 Oct 2022 09:00:00 +0100

Fosse MA1 : Lac McArthur

Val Des Monts, Quebec, Canada

Observed by
Robin Brown
Fri, 21 Oct 2022 00:00:00 -0400

Marina 200 : St. Lawrence River

Ontario, Canada

Observed by
Dyan Ross Mabini
Thu, 20 Oct 2022 16:25:00 -0400

Lamoureux Park : Lake

Ontario, Canada

Observed by
Dyan Ross Mabini
Thu, 20 Oct 2022 15:45:00 -0400

Last Mountain Lake near Colesdale : Last Mountain Lake

Saskatchewan, Canada

Observed by
Water Security Agency
Thu, 20 Oct 2022 11:45:00 -0600

RBG Princess Point : Cootes Paradise

Burlington, Ontario, Canada

Observed by
Kirk Wu
Thu, 20 Oct 2022 11:00:00 -0400

First Bridge on County Rd 28 : Massassauga Marsh

Ontario, Canada

Observed by
Don Ross
Thu, 20 Oct 2022 08:10:00 -0400

Victoria Park & Harbour. Mouth of Moira River entering the Bay of Quinte : Moira River

Belleville, Ontario, Canada

Observed by
Don Ross
Thu, 20 Oct 2022 07:50:00 -0400

Ontario Place : Lake Ontario

Toronto, Ontario, Canada

Observed by
Isabel Fleisher
Thu, 20 Oct 2022 00:00:00 +0000

Round Lake - Baseline : Round Lake

Saskatchewan, Canada

Observed by
Water Security Agency
Wed, 19 Oct 2022 14:00:00 -0600

Larocck : Eagle Lake

British Columbia, Canada

Observed by
Smedley Sims
Wed, 19 Oct 2022 13:00:00 -0700

Bear's Creek : Bear's Creek

Peterborough, Ontario, Canada

Observed by
Catherine Corkery
Wed, 19 Oct 2022 13:59:00 -0400

Crooked Lake - Baseline : Crooked Lake

Saskatchewan, Canada

Observed by
Water Security Agency
Wed, 19 Oct 2022 11:30:00 -0600

Bayfront Park (Archived site) : Hamilton Harbour

Hamilton, Ontario, Canada

Observed by
Kirk Wu
Wed, 19 Oct 2022 11:00:00 -0400

East Lagoon - South Deck : Blakeburn Lagoons

Port Coquitlam, British Columbia, Canada

Observed by
Brenda Gray
Wed, 19 Oct 2022 02:59:00 -0700

Bayfront Park (Archived site) : Hamilton Harbour

Hamilton, Ontario, Canada

Observed by
Kirk Wu
Tue, 18 Oct 2022 17:35:00 -0400

Ontario Place : Lake Ontario

Toronto, Ontario, Canada

Observed by
Isabel Fleisher
Tue, 18 Oct 2022 00:00:00 +0000

Katepwa Lake - Baseline : Katepwa Lake

Saskatchewan, Canada

Observed by
Water Security Agency
Mon, 17 Oct 2022 14:45:00 -0600