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?

66,354 observations

+399 new observations added in the past 30 days

Black Creek footbridge from Shagbark Lane (Downstream) : Black Creek

Ontario, Canada

Observed by
Kiersten McCutcheon
Tue, 17 Dec 2024 15:50:00 -0500

Root River Wishart Park : Root River

Ontario, Canada

Observed by
Community Volunteers
Tue, 17 Dec 2024 15:45:00 -0500

St. Joseph's Creek @ 59th & Williams Street : St. Joseph's Creek

Downers Grove, Illinois, United States

Observed by
Jon Yeater
Tue, 17 Dec 2024 13:30:00 -0600

Port Maitland Esplanade Park and Pier : Grand River

Dunnville, Ontario, Canada

Observed by
Kiersten McCutcheon
Tue, 17 Dec 2024 14:30:00 -0500

Mitchell Lake : Mitchell Lake

Carol Stream, Illinois, United States

Observed by
Jill Mattox
Tue, 17 Dec 2024 13:02:00 -0600

Klein Creek at Fountain View Recreation Center : Klein Creek

Carol Stream, Illinois, United States

Observed by
Brianna Garza
Tue, 17 Dec 2024 12:05:00 -0600

Twenty Mile Creek at Twenty-First Street : Twenty Mile Creek

Jordan, Ontario, Canada

Observed by
Gabrielle Parent-Doliner
Tue, 17 Dec 2024 12:59:00 -0500

Jordan Harbour Conservation Area : Jordan Harbour

Jordan Station, Ontario, Canada

Observed by
Gabrielle Parent-Doliner
Tue, 17 Dec 2024 12:36:00 -0500

West College Drive (Rt 83) & S. 75 th Ave Palos Heights,Il 60463 : Lake Katherine Nature Center/Cal Sag Channel

Palos Heights, Illinois, United States

Observed by
Kathy Janik
Tue, 17 Dec 2024 11:35:00 -0600

Grande Hermine Ship Beach : Lake Ontario

Jordan Station, Ontario, Canada

Observed by
Gabrielle Parent-Doliner
Tue, 17 Dec 2024 12:16:00 -0500

Harry J. Wolf : Spring Brook Creek

Warrenville, Illinois, United States

Observed by
Harry Wolf
Tue, 17 Dec 2024 08:41:00 -0600

Tricia Herriott : Tricia Herriot

Kennet District, Wiltshire, United Kingdom

Observed by
James Hubbard
Tue, 17 Dec 2024 11:38:00 +0000

Meadowbrook Road : Killarney Creek

British Columbia, Canada

Observed by
Winona Pugh
Mon, 16 Dec 2024 16:15:00 -0800

Prentiss Creek at Prentiss Street : Prentiss Creek

Downers Grove, Illinois, United States

Observed by
Jeanne Groat
Mon, 16 Dec 2024 17:59:00 -0600

Spring Brook Creek near Leverenz Rd. and Gateshead Dr. : Spring Brook Creek

Naperville, Illinois, United States

Observed by
Erin Bellassai
Mon, 16 Dec 2024 16:42:00 -0600

1.3 Monteith : Bowker Creek

Victoria, British Columbia, Canada

Observed by
val aloian
Mon, 16 Dec 2024 14:09:54 -0800

Lake Charles at Beach Inlet : Lake Charles at Beach Inlet

Westmont, Illinois, United States

Observed by
Darlene Garay
Mon, 16 Dec 2024 15:40:00 -0600

Nippersink Creek @ Rte 12 (west of State Park Rd intersection) : Nippersink Creek

Spring Grove, Illinois, United States

Observed by
Cindy Skrukrud
Mon, 16 Dec 2024 15:16:00 -0600

Springbrook Water Reclamation Center Upstream : DuPage River

Bolingbrook, Illinois, United States

Observed by
Amy Wrigley
Mon, 16 Dec 2024 15:15:00 -0600