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?

52,172 observations

+296 new observations added in the past 30 days

East Branch DuPage River at Morton Arb : East Branch DuPage River

Downers Grove, Illinois, United States

Observed by
Lisa Warren
Fri, 15 Mar 2024 08:45:00 -0500

Schoenberger Creek at West Belleville Bikeway : Schoenberger Creek

Belleville, Illinois, United States

Observed by
David Laslie
Fri, 15 Mar 2024 08:30:00 -0500

Richland Creek @ Centennial Park : Richland Creek

Belleville, Illinois, United States

Observed by
Greg Kimutis
Fri, 15 Mar 2024 08:00:00 -0500

Richland Creek @ South Side City Park : Richland Creek

Belleville, Illinois, United States

Observed by
David Laslie
Fri, 15 Mar 2024 07:43:00 -0500

Arbor Lake at Morton Arb : Arbor Lake

Lisle, Illinois, United States

Observed by
Lisa Warren
Fri, 15 Mar 2024 07:25:00 -0500

SLEB : Sharbot Lake East Basin

Ontario, Canada

Observed by
Dan Goodchild
Fri, 15 Mar 2024 08:04:00 -0400

Browning Park : Bowker Creek

Victoria, British Columbia, Canada

Observed by
andrea gleichauf
Thu, 14 Mar 2024 23:10:18 +0000

Root River off Hwy 17 N (near Teen Challenge) : Root River

Ontario, Canada

Observed by
Abdul Bari Khan
Thu, 14 Mar 2024 15:25:00 -0400

Second dam on Humber : Humber River

Etobicoke, Ontario, Canada

Observed by
Gabrielle Parent-Doliner
Thu, 14 Mar 2024 19:12:49 +0000

Picton Harbour at Mouth of Marsh Creek : Picton Harbour on Lake Ontario

Picton, Ontario, Canada

Observed by
Don Ross
Thu, 14 Mar 2024 13:55:00 -0400

Creek Bend Pond : Pond at Creek Bend Nature Center

Saint Charles, Illinois, United States

Observed by
Lisa O'Brien
Thu, 14 Mar 2024 09:18:00 -0500

N. Nottawawaga River : N. Branch Nottawawaga River

Ontario, Canada

Observed by
Matt Stouten
Thu, 14 Mar 2024 13:45:00 +0000

Waubonsie Creek : Waubonsie Creek

Oswego, Illinois, United States

Observed by
Mary Theodor
Wed, 13 Mar 2024 18:36:00 -0500

Morgan Creek at Morgan Creek Park : Morgan Creek

Oswego, Illinois, United States

Observed by
Alyssa Theodor
Wed, 13 Mar 2024 14:40:00 -0500

Salt Creek Park Forest Preserve : Salt Creek

Wood Dale, Illinois, United States

Observed by
Tom Kubica
Wed, 13 Mar 2024 11:54:00 -0500

Ferson Creek at LeRoy Oakes FP Bridge : Ferson Creek

Saint Charles, Illinois, United States

Observed by
Jim Baum
Wed, 13 Mar 2024 11:37:00 -0500

Chicago River North Branch Goose Island : Chicago River

Chicago, Illinois, United States

Observed by
Jeff Shelden
Wed, 13 Mar 2024 10:00:00 -0500

Devon : DeBoville Slough

Coquitlam, British Columbia, Canada

Observed by
David Mounteney
Wed, 13 Mar 2024 10:38:00 +0000

Tewkesbury Nature Reserve: Downstream of central foot bridge : River Swilgate

Cheltenham, Gloucestershire, United Kingdom

Observed by
Giles Alder
Wed, 13 Mar 2024 10:00:00 +0000

East Spillway : Pearl River

Brandon, Mississippi, United States

Observed by
LeAnn Nealey
Tue, 12 Mar 2024 16:55:00 -0500