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?

66,145 observations

+544 new observations added in the past 30 days

6th Street park retention pond : Retention pond

Wood River, Illinois, United States

Observed by
Raegan Herzog
Sun, 09 Mar 2025 16:05:00 -0500

Black Creek at Stevensville Pump Station (downstream) : Black Creek

Ontario, Canada

Observed by
Aaron Chaisson
Sun, 09 Mar 2025 15:51:00 -0400

East Branch DuPage River at Hidden Lake Forest Preserve : East Branch DuPage River

Downers Grove, Illinois, United States

Observed by
Mark Thomas
Sun, 09 Mar 2025 14:35:00 -0500

Winding Creek : Winding Creek

Bartlett, Illinois, United States

Observed by
Karen Liebold
Sun, 09 Mar 2025 14:30:00 -0500

Welland Canal at Port Robinson Ferry : Welland Canal

Port Robinson, Ontario, Canada

Observed by
Nadia Lucia Zechinelli Zanella
Sun, 09 Mar 2025 14:50:00 -0400

Lake St. Clair : Lake St. Clair

Ontario, Canada

Observed by
Isabelle Kolodziej
Sun, 09 Mar 2025 14:43:00 -0400

Glen Crest Creek at Willowbrook Forest Preserve : Glen Crest Creek

Glen Ellyn, Illinois, United States

Observed by
Mark Thomas
Sun, 09 Mar 2025 13:30:00 -0500

Windsor : Lake St. Clair

Tecumseh, Ontario, Canada

Observed by
Isabelle Kolodziej
Sun, 09 Mar 2025 13:59:00 -0400

Eureka Lake : Walnut Creek

Eureka, Illinois, United States

Observed by
Darci Webber
Sun, 09 Mar 2025 17:15:00 +0000

Burnt Oak Brook in Watling Park - Burnt Oak : Silkstream

Edgware, England, United Kingdom

Observed by
Kath Vos
Sun, 09 Mar 2025 16:30:00 +0000

Burnt Oak Brook in Watling Park : Silkstream / Burnt Oak Brook

Edgware, England, United Kingdom

Observed by
Kath Vos
Sun, 09 Mar 2025 16:30:00 +0000

Allees Meadow : River Wey

East Hampshire District, Hampshire, United Kingdom

Observed by
Fiona Poulter
Sun, 09 Mar 2025 15:51:00 +0000

WFWR - Downstream Harris Lane : West Fork Wood River

Alton, Illinois, United States

Observed by
Melissa Schindler
Sun, 09 Mar 2025 09:52:00 -0500

Woodlands farm, Oxleas and Bellegrove road stream : East Wickham

London, Bexley, United Kingdom

Observed by
Emma Parkin
Sun, 09 Mar 2025 12:41:00 +0000

Downstream of Frensham Mill : River Wey

Frensham, Surrey, United Kingdom

Observed by
paul howard
Sun, 09 Mar 2025 12:15:00 +0000

Woodlands farm, golf course land drain : East wickham

London, Greenwich, United Kingdom

Observed by
Emma Parkin
Sun, 09 Mar 2025 12:10:00 +0000

Smithy Lane : River Wey

Dockenfield, Hampshire, United Kingdom

Observed by
paul howard
Sun, 09 Mar 2025 11:50:00 +0000

Woodlands farm, shooters hill stream : East Wickham

London, Greenwich, United Kingdom

Observed by
Emma Parkin
Sun, 09 Mar 2025 11:47:00 +0000

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

London, Enfield, United Kingdom

Observed by
Peter Leedham
Sun, 09 Mar 2025 11:30:00 +0000

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

London, Enfield, United Kingdom

Observed by
Peter Leedham
Sun, 09 Mar 2025 11:30:00 +0000