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?

66,119 observations

+652 new observations added in the past 30 days

Mill Vale Outfall : Glassmill Pond

London, Bromley, United Kingdom

Observed by
Jeff Royce
Tue, 28 May 2024 09:20:00 +0100

Glassmill Pond inlet : Ravensbourne

London, Bromley, United Kingdom

Observed by
Jeff Royce
Tue, 28 May 2024 09:15:00 +0100

Columbine Culvert Downstream : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Mon, 27 May 2024 23:05:00 -0700

Dock testing : Round lake

Saskatchewan, Canada

Observed by
Charlotte Neyedley
Mon, 27 May 2024 23:28:52 +0000

Windsor : Lake St. Clair

Tecumseh, Ontario, Canada

Observed by
Isabelle Kolodziej
Mon, 27 May 2024 19:20:00 -0400

SLCWB : Sharbot Lake

Ontario, Canada

Observed by
Mary Keith
Mon, 27 May 2024 18:14:00 -0400

SLNWB : Sharbot Lake North West Basin

Ontario, Canada

Observed by
Mary Keith
Mon, 27 May 2024 17:51:00 -0400

SLMWB : Sharbot Lake

Ontario, Canada

Observed by
Mary Keith
Mon, 27 May 2024 17:41:00 -0400

SLSWB : Sharbot Lake

Ontario, Canada

Observed by
Mary Keith
Mon, 27 May 2024 17:20:00 -0400

Blenkinsop Creek: Above Swan Lake : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Mon, 27 May 2024 14:10:00 -0700

Creek at Merry Meadows : Rocky Fork Tributary

Godfrey, Illinois, United States

Observed by
James Weiss
Mon, 27 May 2024 16:08:39 -0500

Root River Old Garden River : Root River

Ontario, Canada

Observed by
Community Volunteers
Mon, 27 May 2024 16:55:00 -0400

Cold Water Creek at Old Garden River Road : Cold Water Creek

Rankin Location Indian Reserve 15d, Ontario, Canada

Observed by
Community Volunteers
Mon, 27 May 2024 16:45:00 -0400

Swan Lake : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Mon, 27 May 2024 13:45:00 -0700

Crystal Creek Case Rd : Crystal Creek

Rankin Location Indian Reserve 15d, Ontario, Canada

Observed by
Community Volunteers
Mon, 27 May 2024 16:25:00 -0400

Swan Creek upstream of Christmas Hill Spring : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Mon, 27 May 2024 13:20:00 -0700

Swan Creek: Carey Road and McKenzie Ave : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Mon, 27 May 2024 13:00:00 -0700

WA1 : Dugout

Saskatchewan, Canada

Observed by
Adam Preston
Mon, 27 May 2024 13:48:00 -0600

Old Trace Park : Ross Barnett Reservoir

Ridgeland, Mississippi, United States

Observed by
Jennifer Sigrest
Mon, 27 May 2024 14:45:00 -0500

Columbine Culvert Downstream : Swan Creek

Esquimalt, British Columbia, Canada

Observed by
John Coates
Mon, 27 May 2024 12:45:00 -0700