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?

62,722 observations

+696 new observations added in the past 30 days

South Branch Kishwaukee River at College Ave. : South Branch Kishwaukee River

Dekalb, Illinois, United States

Observed by
WILLIAM MARTIN
Fri, 31 Jan 2025 15:15:00 -0600

Kent Creek at Bressler Park : Kent Creek

Rockford, Illinois, United States

Observed by
Emma Zimmerman
Fri, 31 Jan 2025 21:08:21 +0000

Harry J. Wolf : Spring Brook Creek

Warrenville, Illinois, United States

Observed by
Harry Wolf
Fri, 31 Jan 2025 15:03:00 -0600

St Joseph Creek Downers Grove : St Joseph Creek

Downers Grove, Illinois, United States

Observed by
ELISABETH GRZYWA
Fri, 31 Jan 2025 14:56:00 -0600

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

Downers Grove, Illinois, United States

Observed by
Jon Yeater
Fri, 31 Jan 2025 14:45:00 -0600

Pedestrian bridge at Wordsworth : Bowker Creek

Victoria, British Columbia, Canada

Observed by
andrea gleichauf
Fri, 31 Jan 2025 20:37:12 +0000

Hall Creek at Memorial Bridge : Hall Creek

Rockford, Illinois, United States

Observed by
Emma Zimmerman
Fri, 31 Jan 2025 14:21:55 -0600

Browning Park : Bowker Creek

Victoria, British Columbia, Canada

Observed by
andrea gleichauf
Fri, 31 Jan 2025 20:18:50 +0000

Kishwaukee River at Route 23 : Kishwaukee River

Marengo, Illinois, United States

Observed by
Scott Kuykendall
Fri, 31 Jan 2025 14:10:00 -0600

Dixie Creek at Gaslight Dr : Dixie Creek at Gaslight Dr

Algonquin, Illinois, United States

Observed by
Brad Andresen
Fri, 31 Jan 2025 14:02:00 -0600

Ratt Creek at Hanson Rd : Ratt Creek at Hanson Rd

Algonquin, Illinois, United States

Observed by
Brad Andresen
Fri, 31 Jan 2025 13:44:00 -0600

Inflow to East Lagoon at Montgomery to Faraday pedestrian bridge : Inflow to East Lagoon

Dekalb, Illinois, United States

Observed by
WILLIAM MARTIN
Fri, 31 Jan 2025 13:35:00 -0600

Woods Creek at Brookside Pedestrian Bridge : Woods Creek at Brookside Pedestrian Bridge

Algonquin, Illinois, United States

Observed by
Brad Andresen
Fri, 31 Jan 2025 13:30:00 -0600

West Branch DuPage River at Naperville Riverwalk : West Branch DuPage River

Naperville, Illinois, United States

Observed by
Amy Phillips
Fri, 31 Jan 2025 13:00:00 -0600

Lies Road Crossing of Kline Creek : Kline Creek

Carol Stream, Illinois, United States

Observed by
David Bohnsack
Fri, 31 Jan 2025 12:59:00 -0600

Kishwaukee River and Deerpass Road : Kishwaukee River

Marengo, Illinois, United States

Observed by
Scott Kuykendall
Fri, 31 Jan 2025 12:50:00 -0600

Kishwaukee River and Deerpass Road : Kishwaukee River

Marengo, Illinois, United States

Observed by
Scott Kuykendall
Fri, 31 Jan 2025 12:50:00 -0600

Lake Charles at Beach Inlet : Lake Charles at Beach Inlet

Westmont, Illinois, United States

Observed by
Darlene Garay
Fri, 31 Jan 2025 12:48:00 -0600

Thunderbird Trail Crossing of Kline Creek : Kline Creek

Carol Stream, Illinois, United States

Observed by
David Bohnsack
Fri, 31 Jan 2025 12:40:00 -0600

Sangamon River Forest Preserve : Wildcat Slough

Mahomet, Illinois, United States

Observed by
Bruce M Colravy
Fri, 31 Jan 2025 12:36:45 -0600