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?

66,083 observations

+710 new observations added in the past 30 days

Highams Park Lake : The Ching

London, Waltham Forest, United Kingdom

Observed by
Janet Charlesworth
Fri, 04 Apr 2025 09:35:00 +0100

East Mundy Park Stream Drainage System : Lost Lake/ Mariner Road Catchment Area (Riverview Forest)

Coquitlam, British Columbia, Canada

Observed by
C E Thomson
Thu, 03 Apr 2025 12:27:00 -0700

Central Mundy Park : Central Mundy Park Catchment Drainage System

Coquitlam, British Columbia, Canada

Observed by
C E Thomson
Thu, 03 Apr 2025 12:07:00 -0700

West Mundy Park : Mundy Lake/Mundy Creek/Sport Fields Catchment Stream Drainage System (West Mundy Park)

Coquitlam, British Columbia, Canada

Observed by
C E Thomson
Thu, 03 Apr 2025 12:00:00 -0700

Mundy Park : Mundy Lake

Coquitlam, British Columbia, Canada

Observed by
C E Thomson
Thu, 03 Apr 2025 11:30:00 -0700

Richland Creek @ South Side City Park : Richland Creek

Belleville, Illinois, United States

Observed by
David Laslie
Thu, 03 Apr 2025 13:14:00 -0500

Mundy Park : Lost Lake

Coquitlam, British Columbia, Canada

Observed by
C E Thomson
Thu, 03 Apr 2025 11:00:00 -0700

Bayside Quarry east Pond : Bayside Quarry east Pond

Rednersville, Ontario, Canada

Observed by
Greg Stephens
Thu, 03 Apr 2025 13:30:00 -0400

Bayside Quarry east Pond : Bayside Quarry east Pond

Rednersville, Ontario, Canada

Observed by
Greg Stephens
Thu, 03 Apr 2025 13:30:00 -0400

Bayside Quarry east Pond : Bayside Quarry east Pond

Rednersville, Ontario, Canada

Observed by
Greg Stephens
Thu, 03 Apr 2025 13:10:00 -0400

Bayside Quarry east Pond : Bayside Quarry east Pond

Rednersville, Ontario, Canada

Observed by
Greg Stephens
Thu, 03 Apr 2025 13:10:00 -0400

Bayside Quarry east Pond : Bayside Quarry east Pond

Rednersville, Ontario, Canada

Observed by
Greg Stephens
Thu, 03 Apr 2025 13:07:00 -0400

River Park Boathouse : Chicago River

Chicago, Illinois, United States

Observed by
Susanna Lang
Thu, 03 Apr 2025 17:03:00 +0000

Lyndhurst Park (downstream of culvert) : Burnt Oak Brook

London, Barnet, United Kingdom

Observed by
Richard Kearns
Thu, 03 Apr 2025 16:30:00 +0100

River Lea diversion : River Lea diversion

London, Waltham Forest, United Kingdom

Observed by
Darren Fogg
Thu, 03 Apr 2025 16:23:00 +0100

Saipem S3 - Chapel Mill Road : Hogsmill

London, Kingston upon Thames, United Kingdom

Observed by
Cristina Marras
Thu, 03 Apr 2025 15:53:00 +0100

Simmonds Mead Open Space : Burnt Oak Brook

London, Barnet, United Kingdom

Observed by
Richard Kearns
Thu, 03 Apr 2025 15:31:00 +0100

Creek Bend Pond : Pond at Creek Bend Nature Center

Saint Charles, Illinois, United States

Observed by
Lisa O'Brien
Thu, 03 Apr 2025 09:19:00 -0500

Bayside Quarry east Pond : Bayside Quarry east Pond

Rednersville, Ontario, Canada

Observed by
Greg Stephens
Thu, 03 Apr 2025 09:53:00 -0400

Saipem S1 - Kingston Chamber of Commerce : Hogsmill

London, Kingston upon Thames, United Kingdom

Observed by
Nigel Swinnerton
Thu, 03 Apr 2025 13:44:00 +0100