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?

66,523 observations

+47 new observations added in the past 30 days

Pioneer Park Canoe launch : West DuPage River

Naperville, Illinois, United States

Observed by
Mike Watson
Tue, 29 Apr 2025 22:25:00 +0000

Bliss Woods -Blackberry Creek : Bliss Woods -Blackberry Creek

Sugar Grove, Illinois, United States

Observed by
Brenda Sibon
Tue, 29 Apr 2025 16:48:00 -0500

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

Naperville, Illinois, United States

Observed by
Erin Bellassai
Tue, 29 Apr 2025 16:37:00 -0500

Lake Run at Nelson Lake in Dick Young Forest Preserve : Lake Run

Batavia, Illinois, United States

Observed by
Maureen Mrenna
Tue, 29 Apr 2025 16:10:49 -0500

Welland Canal at Port Robinson Ferry : Welland Canal

Port Robinson, Ontario, Canada

Observed by
Nadia Lucia Zechinelli Zanella
Tue, 29 Apr 2025 17:06:00 -0400

Blackberry Creek at Barnes Forest Preserve : Blackberry Creek at Barnes Forest Preserve

Aurora, Illinois, United States

Observed by
Doug Sibon
Tue, 29 Apr 2025 16:05:00 -0500

Blenkinsop Creek: Above Swan Lake : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Tue, 29 Apr 2025 13:20:00 -0700

Salt Creek : Salt creek

Addison, Illinois, United States

Observed by
Sarah Porterfield
Tue, 29 Apr 2025 14:18:00 -0500

Swan Lake : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Tue, 29 Apr 2025 12:05:00 -0700

Swan Creek upstream of Christmas Hill Spring : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Tue, 29 Apr 2025 12:05:00 -0700

Swan Creek: Carey Road and McKenzie Ave : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Tue, 29 Apr 2025 11:40:00 -0700

Columbine Culvert Downstream : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Tue, 29 Apr 2025 11:15:00 -0700

Downstream of Connaught Water : The Ching

Buckhurst Hill, Essex, United Kingdom

Observed by
Robin Pettitt
Tue, 29 Apr 2025 19:02:00 +0100

McKenzie Underpass Forest/Columbine Riffle : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Tue, 29 Apr 2025 10:40:00 -0700

fullersburg woods : Salt Creek

Oak Brook, Illinois, United States

Observed by
Linda Cise
Tue, 29 Apr 2025 12:30:00 -0500

Bob's Bridge : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Tue, 29 Apr 2025 10:20:00 -0700

Waterloo Lake East : Roundhay Park : Waterloo Lake

Leeds, Leeds, United Kingdom

Observed by
Christopher Holmes
Tue, 29 Apr 2025 18:15:00 +0100

Molitor Bridge at Indian Creek : Indian Creek

Aurora, Illinois, United States

Observed by
Amanda Munoz
Tue, 29 Apr 2025 12:09:00 -0500

Waterloo Lake: NW Corner : Roundhay Park : Waterloo Lake

Leeds, Leeds, United Kingdom

Observed by
Christopher Holmes
Tue, 29 Apr 2025 18:00:00 +0100