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?

66,383 observations

+346 new observations added in the past 30 days

Sioux Lookout - MNR Fire Base : Abrahm’s Lake

Ontario, Canada

Observed by
Kandy Bechard
Fri, 20 Sep 2019 17:42:00 -0500

Off-leash Dog Park : Hanlon Creek

Guelph, Ontario, Canada

Observed by
Melissa Muirhead
Fri, 20 Sep 2019 18:38:06 -0400

Retention Pond : Hanlon Creek

Guelph, Ontario, Canada

Observed by
Melissa Muirhead
Fri, 20 Sep 2019 18:35:35 -0400

Glenora area : Adolphus Reach

Adolphustown, Ontario, Canada

Observed by
Don Chisholm
Fri, 20 Sep 2019 17:46:00 -0400

Wards Beach : Lake

Toronto, Ontario, Canada

Observed by
Kailee Scott
Fri, 20 Sep 2019 16:18:00 -0400

near Glenora, Prince Edward County : Lake on the Mountain

Adolphustown, Ontario, Canada

Observed by
Don Chisholm
Fri, 20 Sep 2019 15:30:00 -0400

Wardd Island beach : Lake Ontario

Toronto, Ontario, Canada

Observed by
Jim Hong and Doreen Fang
Fri, 20 Sep 2019 15:15:00 -0400

El Faro : Pacific Ocean

California, United States

Observed by
PFEA/Tijuana Waterkeeper
Fri, 20 Sep 2019 12:02:00 -0700

Parque México : Pacific Ocean

Baja California, United States

Observed by
PFEA/Tijuana Waterkeeper
Fri, 20 Sep 2019 11:40:00 -0700

Playa Blanca : Pacific Ocean

Baja California, Mexico

Observed by
PFEA/Tijuana Waterkeeper
Fri, 20 Sep 2019 10:55:00 -0700

First Bridge on County Rd 28 : Massassauga Marsh

Ontario, Canada

Observed by
Don Ross
Fri, 20 Sep 2019 13:31:00 -0400

Cornwall : St Lawrence River

Ontario, Canada

Observed by
Harmanjeet Unknown
Fri, 20 Sep 2019 13:00:00 -0400

Cornwall : St Lawrence River

Ontario, Canada

Observed by
Harmanjeet Unknown
Fri, 20 Sep 2019 13:00:00 -0400

Etienne Brule Park in Toronto : Humber River

Etobicoke, Ontario, Canada

Observed by
Korice Moir
Fri, 20 Sep 2019 12:50:00 -0400

Cañada Azteca : Pacific Ocean

Baja California, Mexico

Observed by
PFEA/Tijuana Waterkeeper
Fri, 20 Sep 2019 09:38:00 -0700

Cornwall : St Lawrence River

Ontario, Canada

Observed by
Rupinder kaur
Fri, 20 Sep 2019 12:30:00 -0400

Up stream of Brittania beach : Ottawa river

Aylmer, Ontario, Canada

Observed by
Ryan Hiemstra
Fri, 20 Sep 2019 12:13:00 -0400

El Vigia : Pacific Ocean

Baja California, Mexico

Observed by
PFEA/Tijuana Waterkeeper
Fri, 20 Sep 2019 09:10:00 -0700

Big Rideau Lake, deep water sample site MOE : Big Rideau Lake

Portland, Ontario, Canada

Observed by
Sarah MacLeod-Neilson
Fri, 20 Sep 2019 11:23:00 -0400

Cornwall : St Lawrence River

Ontario, Canada

Observed by
Harmanjeet Unknown
Fri, 20 Sep 2019 04:30:00 -0400