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?

66,203 observations

+516 new observations added in the past 30 days

Frensham Swimming Spot : River Wey

Frensham, Surrey, United Kingdom

Observed by
Simon Bleach
Mon, 18 Aug 2025 15:00:00 +0000

Kipawa Lake at Jawbones Bay : Kipawa lake

Quebec, Canada

Observed by
Paul Berube
Mon, 18 Aug 2025 10:30:00 -0400

École secondaire publique L'Héritage : St. Lawrence River

Ontario, Canada

Observed by
de Haan Family
Mon, 18 Aug 2025 10:17:13 -0400

Flintoff Bay : Mississippi Lake

Ontario, Canada

Observed by
Dave Robertson
Mon, 18 Aug 2025 08:35:00 -0400

Bartons Mill : River Loddon

Basingstoke, Hampshire, United Kingdom

Observed by
Gillian Moore
Mon, 18 Aug 2025 13:29:00 +0100

End of Canal Rd. : St. Lawrence River

Morrisburg, Ontario, Canada

Observed by
Cohen MacDermid
Mon, 18 Aug 2025 12:05:00 +0000

Turkey Street (Downstream) : Turkey Brook

London, Enfield, United Kingdom

Observed by
Susan Gillett
Mon, 18 Aug 2025 11:03:00 +0100

Turkey Street (Upstream) : Turkey Brook

London, Enfield, United Kingdom

Observed by
Susan Gillett
Mon, 18 Aug 2025 10:55:00 +0100

Vincent Road : The Ching

London, Waltham Forest, United Kingdom

Observed by
Jackie Switzer
Mon, 18 Aug 2025 09:45:00 +0100

Matotee Camp : St. Marys River - Wilson Channel

Ontario, Canada

Observed by
Sally Behr Schendel
Sun, 17 Aug 2025 18:28:00 -0400

Kipabiskau Lake - 600m southeast of Kipabiskau Regional Park : Kipabiskau

Saskatchewan, Canada

Observed by
Lillie and Ashley Dennis
Sun, 17 Aug 2025 15:07:09 -0600

Evan's Creek : Evan's Creek

Thessalon, Ontario, Canada

Observed by
Huron North Community Volunteers
Sun, 17 Aug 2025 16:02:00 -0400

Fosse M2 : Lac Maskinongé

Val-des-Monts, Quebec, Canada

Observed by
Claude Bergeron
Sun, 17 Aug 2025 15:26:00 -0400

Fosse M3 : Lac Maskinongé

Val-des-Monts, Quebec, Canada

Observed by
Claude Bergeron
Sun, 17 Aug 2025 15:25:00 -0400

Fosse M1 : Lac Maskinongé

Val-des-Monts, Quebec, Canada

Observed by
Claude Bergeron
Sun, 17 Aug 2025 15:19:00 -0400

Fosse M1 : Lac Maskinongé

Val-des-Monts, Quebec, Canada

Observed by
Claude Bergeron
Sun, 17 Aug 2025 15:19:00 -0400

Fosse M3 : Lac Maskinongé

Val-des-Monts, Quebec, Canada

Observed by
Claude Bergeron
Sun, 17 Aug 2025 15:12:00 -0400

Burgis Beach : Good Spirit Lake

Saskatchewan, Canada

Observed by
Paul King
Sun, 17 Aug 2025 12:45:00 -0600

Fosse EP1 : Lac des Épinettes

Quebec, Canada

Observed by
Hugo Racine
Sun, 17 Aug 2025 14:30:00 -0400

Naturally Superior Lodge and Bed and Breakfast : Lake Superior / Michipicoten River Mouth

Michipicoten, Ontario, Canada

Observed by
Neila Souliere
Sun, 17 Aug 2025 14:02:00 -0400