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?

62,738 observations

+706 new observations added in the past 30 days

West Branch Du Page River : West Branch Du Page River

Naperville, Illinois, United States

Observed by
Lawrence Hjorth
Sun, 19 Jan 2025 14:35:00 -0600

Welland Canal at Port Robinson Ferry : Welland Canal

Port Robinson, Ontario, Canada

Observed by
Nadia Lucia Zechinelli Zanella
Sun, 19 Jan 2025 15:16:00 -0500

3.5 Oak Bay High : Bowker Creek

Victoria, British Columbia, Canada

Observed by
val aloian
Sun, 19 Jan 2025 12:10:39 -0800

3.4 Duck Ponds : Bowker Creek

Victoria, British Columbia, Canada

Observed by
val aloian
Sun, 19 Jan 2025 11:38:47 -0800

1.3 Monteith : Bowker Creek

Victoria, British Columbia, Canada

Observed by
val aloian
Sun, 19 Jan 2025 11:06:15 -0800

Pioneer Tower Bridge : Grand River

Kitchener, Ontario, Canada

Observed by
Sabrina Jivani
Sun, 19 Jan 2025 14:00:00 -0500

West Spillway Dock : Pearl River

Brandon, Mississippi, United States

Observed by
Laura Luke
Sun, 19 Jan 2025 12:50:00 -0600

Klein Creek : Kuhn Rd Crossing of Klein Creek

Carol Stream, Illinois, United States

Observed by
Wendy Vernon
Sun, 19 Jan 2025 12:31:00 -0600

Beech Hall Crescent CSO : River Ching

London, Waltham Forest, United Kingdom

Observed by
Martha Jeffery
Sun, 19 Jan 2025 16:22:00 +0000

Beech Hall : The Ching

London, Waltham Forest, United Kingdom

Observed by
Martha Jeffery
Sun, 19 Jan 2025 16:21:00 +0000

Downstream of Connaught Water : The Ching

Buckhurst Hill, Essex, United Kingdom

Observed by
Janet Laban
Sun, 19 Jan 2025 13:00:00 +0000

Bartons Mill : River Loddon

Basingstoke, Hampshire, United Kingdom

Observed by
Kate Tuck
Sun, 19 Jan 2025 12:30:24 +0000

Upstream of Connaught Water : The Ching

Buckhurst Hill, Essex, United Kingdom

Observed by
Janet Laban
Sun, 19 Jan 2025 12:30:00 +0000

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

London, Enfield, United Kingdom

Observed by
Peter Leedham
Sun, 19 Jan 2025 12:00:00 +0000

Grovelands Park Stream below dam : Salmons Brook/Houndsden Gutter/Grovelands Stream

London, Enfield, United Kingdom

Observed by
Peter Leedham
Sun, 19 Jan 2025 12:00:00 +0000

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

London, Enfield, United Kingdom

Observed by
Peter Leedham
Sun, 19 Jan 2025 12:00:00 +0000

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

London, Enfield, United Kingdom

Observed by
Peter Leedham
Sun, 19 Jan 2025 12:00:00 +0000

North Branch Chicago River - California Park : North Branch Chicago River

Chicago, Illinois, United States

Observed by
sophie lemisch
Sat, 18 Jan 2025 15:30:00 -0600

Cress Creek : Cress Creek

Naperville, Illinois, United States

Observed by
Cindy McCullagh
Sat, 18 Jan 2025 14:17:00 -0600

Waubonsie Creek : Waubonsie Creek

Aurora, Illinois, United States

Observed by
Briana Moore
Sat, 18 Jan 2025 14:10:00 -0600