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?

62,701 observations

+690 new observations added in the past 30 days

Salt Creek - Fullersburg - Rainbow Bridge : Salt Creek

Oak Brook, Illinois, United States

Observed by
Kevin Blair
Mon, 24 Feb 2025 14:45:00 -0600

Drake St. Park : Clark Creek

Ontario, Canada

Observed by
Community Volunteers
Mon, 24 Feb 2025 15:33:00 -0500

Glencrest creek south of Bemis Road : Glencrest Creek

Glen Ellyn, Illinois, United States

Observed by
Lance Lambert
Mon, 24 Feb 2025 14:30:00 -0600

North side Bemis road : Glencrest creek

Glen Ellyn, Illinois, United States

Observed by
Lance Lambert
Mon, 24 Feb 2025 14:24:00 -0600

DesPlaines River from DesPlaines Riverways DuPage FPD : DesPlaines River

Hinsdale, Illinois, United States

Observed by
Kevin Blair
Mon, 24 Feb 2025 14:05:00 -0600

Jefferson Ave Bridge, Naperville, West Branch DuPage River : West Branch DuPage River

Naperville, Illinois, United States

Observed by
Julie Kulak
Mon, 24 Feb 2025 13:50:00 -0600

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

Algonquin, Illinois, United States

Observed by
Brad Andresen
Mon, 24 Feb 2025 13:23:00 -0600

Ratt Creek at Hanson Rd : Ratt Creek at Hanson Rd

Algonquin, Illinois, United States

Observed by
Brad Andresen
Mon, 24 Feb 2025 13:13:00 -0600

Dixie Creek at Gaslight Dr : Dixie Creek at Gaslight Dr

Algonquin, Illinois, United States

Observed by
Brad Andresen
Mon, 24 Feb 2025 13:03:00 -0600

Ron Haimbaugh : East Fork of Poplar Creek

Hoffman Estates, Illinois, United States

Observed by
Ron Haimbaugh
Mon, 24 Feb 2025 12:30:00 -0600

Black Oaks Heritage Park (Windsor) : Detroit River

Ontario, Canada

Observed by
Isabelle Kolodziej
Mon, 24 Feb 2025 13:17:00 -0500

DuPage River at Riverwalk South Covered Bridge : DuPage River

Naperville, Illinois, United States

Observed by
Shelley Birdsong
Mon, 24 Feb 2025 11:42:00 -0600

River Canard (Lasalle) : Canard River

Ontario, Canada

Observed by
Isabelle Kolodziej
Mon, 24 Feb 2025 12:41:00 -0500

Chobham Recreation Ground : River Bourne

Woking, Surrey, United Kingdom

Observed by
Andrew McManus
Mon, 24 Feb 2025 17:36:00 +0000

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
Mon, 24 Feb 2025 11:30:00 -0600

Park 571 : Chicago River

Chicago, Illinois, United States

Observed by
Liz Lehman
Mon, 24 Feb 2025 11:04:00 -0600

Ping Tom Park Chicago : Chicago River

Chicago, Illinois, United States

Observed by
Liz Lehman
Mon, 24 Feb 2025 10:41:00 -0600

DuPage River, West Branch : DuPage River, West Branch

Naperville, Illinois, United States

Observed by
shirley watters
Mon, 24 Feb 2025 10:40:00 -0600

Jordan Harbour Conservation Area : Jordan Harbour

Jordan Station, Ontario, Canada

Observed by
Robert Stavenow
Mon, 24 Feb 2025 10:40:00 -0500

Grovelands Park Lake Outfall by cafe and dam : Salmons Brook/Houndsden Gutter/Grovelands Stream

London, Enfield, United Kingdom

Observed by
Peter Leedham
Mon, 24 Feb 2025 15:30:00 +0000