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?

62,575 observations

+679 new observations added in the past 30 days

West Branch DuPage River at Hillside : West Branch DuPage River

Naperville, Illinois, United States

Observed by
Shari Buma
Wed, 30 Apr 2025 16:10:00 -0500

Spring Creek : Spring Creek

Joliet, Illinois, United States

Observed by
Jeanne Golec
Wed, 30 Apr 2025 16:05:00 -0500

Thessalon River off Lorne St W. : Thessalon River

Thessalon, Ontario, Canada

Observed by
Community Volunteers
Wed, 30 Apr 2025 16:40:00 -0400

Waubonsie Creek Trail Bridge : Waubonsie Creek

Aurora, Illinois, United States

Observed by
Siobhan Kennedy
Wed, 30 Apr 2025 15:20:00 -0500

Lily Cache Creek : Lily Cache Creek

Plainfield, Illinois, United States

Observed by
John Griffis
Wed, 30 Apr 2025 14:50:00 -0500

Fox River-Route 14 : Fox River

Illinois, United States

Observed by
Anna Niedzinski
Wed, 30 Apr 2025 14:45:00 -0500

Flint Creek-Grassy Lake Forest Preserve Trail Bridge : Flint Creek

Barrington, Illinois, United States

Observed by
Anna Niedzinski
Wed, 30 Apr 2025 14:21:00 -0500

Lily Cache Creek : Lily Cache Creek

Plainfield, Illinois, United States

Observed by
John Griffis
Wed, 30 Apr 2025 14:07:00 -0500

Winfield Creek at Emerson School : Winfield Creek

Wheaton, Illinois, United States

Observed by
Maureen Keil
Wed, 30 Apr 2025 13:30:00 -0500

Springbrook Creek @ S Maple Ave, Itasca : Springbrook Creek

Itasca, Illinois, United States

Observed by
Elizabeth Bolivar
Wed, 30 Apr 2025 12:05:00 -0500

Springbrook Creek @ N Circle Ave, Bloomingdale : Springbrook Creek

Bloomingdale, Illinois, United States

Observed by
Elizabeth Bolivar
Wed, 30 Apr 2025 11:45:00 -0500

Upper Lake West : Roundhay Park : Upper Lake

Leeds, Leeds, United Kingdom

Observed by
Susan Tuffin
Wed, 30 Apr 2025 15:30:00 +0100

Kyd Brook S.W.O downstream : Kyd Brook

London, Bromley, United Kingdom

Observed by
Kirsty Blackman
Wed, 30 Apr 2025 15:30:00 +0100

Kyd Brook S.W.O upstream : Kyd Brook

London, Bromley, United Kingdom

Observed by
Kirsty Blackman
Wed, 30 Apr 2025 15:30:00 +0100

Upper Lake East : Roundhay Park : Upper Lake

Leeds, Leeds, United Kingdom

Observed by
Susan Tuffin
Wed, 30 Apr 2025 15:00:00 +0100

River Park Canoe Launch : Chicago River- North Branch

Chicago, Illinois, United States

Observed by
Sean Carino
Wed, 30 Apr 2025 09:00:00 -0500

Quibble Creek Creekside : Quibble Creek

New Westminster, British Columbia, Canada

Observed by
Simon Kissinger
Wed, 30 Apr 2025 07:00:00 -0700

Kyd Brook C.S.O : Kyd Brook

London, Bromley, United Kingdom

Observed by
Kirsty Blackman
Wed, 30 Apr 2025 14:50:00 +0100

East Kyd Brook : Kyd Brook East

London, Bromley, United Kingdom

Observed by
Kirsty Blackman
Wed, 30 Apr 2025 14:20:00 +0100

Kenyon Woods Forest Preserve : creek

South Elgin, Illinois, United States

Observed by
Michelle Besch
Wed, 30 Apr 2025 11:40:00 +0000