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?

66,548 observations

+22 new observations added in the past 30 days

Grovelands Park Lake Downstream of reedbeds : Salmons Brook/Houndsden Gutter/Grovelands Stream

London, Enfield, United Kingdom

Observed by
Peter Leedham
Sun, 18 May 2025 10:30:00 +0100

Grovelands Park Lake Entry : Salmons Brook/Houndsden Gutter/Grovelands Stream

London, Enfield, United Kingdom

Observed by
Peter Leedham
Sun, 18 May 2025 10:30:00 +0100

Footbridge near Rangers Road : Ching Brook

Buckhurst Hill, Essex, United Kingdom

Observed by
Mo Tausif
Sun, 18 May 2025 10:29:00 +0100

Darlands Lake (Upstream) : Folly Brook/Dollis Brook

London, Barnet, United Kingdom

Observed by
David Roth
Sun, 18 May 2025 10:00:00 +0100

Woodscreek Park: 3 Pipe Inlet, Ackman Rd and Golf Course Rd, Crystal Lake, Il : Woodscreek

Crystal Lake, Illinois, United States

Observed by
Songjie Su
Sat, 17 May 2025 18:08:00 -0500

Ogasiwi Creek @ HWY 651 : Ogasiwi Creek @ HWY 651

Hawk Junction, Ontario, Canada

Observed by
Ty Hourtovenko
Sat, 17 May 2025 15:45:00 -0400

Goldie River @ HWY 651 : Goldie River @ HWY 651

Hawk Junction, Ontario, Canada

Observed by
Ty Hourtovenko
Sat, 17 May 2025 15:30:00 -0400

Windermere : Windermere River

Hawk Junction, Ontario, Canada

Observed by
Ty Hourtovenko
Sat, 17 May 2025 15:20:00 -0400

Michipicoten River @ HWY 101 : Michipicoten River @ HWY 101 (eastside under bridge)

Hawk Junction, Ontario, Canada

Observed by
Neila Souliere
Sat, 17 May 2025 14:24:00 -0400

Jack Pine : Jack Pine River @ HWY 651

Hawk Junction, Ontario, Canada

Observed by
Ty Hourtovenko
Sat, 17 May 2025 14:20:00 -0400

Bellevue Park duck pond : Duck pond

Ontario, Canada

Observed by
Community Volunteers
Sat, 17 May 2025 14:04:00 -0400

Rouge River : Rouge River

Quebec, Canada

Observed by
de Haan Family
Sat, 17 May 2025 14:02:39 -0400

Rouge River : Rouge River

Quebec, Canada

Observed by
de Haan Family
Sat, 17 May 2025 13:52:32 -0400

Meeker Bridge : Salt Creek

Warkworth, Ontario, Canada

Observed by
LTC Ranger
Sat, 17 May 2025 17:49:45 +0000

MartinVille (MV-WM-C : Dog Lake

Ontario, Canada

Observed by
Neila Souliere
Sat, 17 May 2025 17:12:00 +0000

Bayou Path Dr Stream in Atwater Subdivision : Stream

Naperville, Illinois, United States

Observed by
Lisa Hjorth
Sat, 17 May 2025 11:57:00 -0500

IVC-WM-A : Dog lake

Ontario, Canada

Observed by
Neila Souliere
Sat, 17 May 2025 16:44:00 +0000

Waubonsie Creek : Waubonsie Creek

Aurora, Illinois, United States

Observed by
Briana Moore
Sat, 17 May 2025 11:27:00 -0500

Eskay lake boat launch (EL-WM—B) : Eskay Lake

Ontario, Canada

Observed by
Neila Souliere
Sat, 17 May 2025 16:25:00 +0000

Whitehall Outfall 5a : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Sat, 17 May 2025 17:00:00 +0100