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?

62,701 observations

+700 new observations added in the past 30 days

Beech Hall : The Ching

London, Waltham Forest, United Kingdom

Observed by
Martha Jeffery
Mon, 03 Mar 2025 22:03:00 +0000

Lily Cache Creek : Lily Cache Creek

Plainfield, Illinois, United States

Observed by
John Griffis
Mon, 03 Mar 2025 14:47:00 -0600

E-coli Testing Location 2 (YW) : Gledgow Beck

Leeds, Leeds, United Kingdom

Observed by
David Miles
Mon, 03 Mar 2025 09:00:00 +0000

E-coli Testing Location 1 (UoL) : Gledhow Lake

Leeds, Leeds, United Kingdom

Observed by
Simon Conyers
Mon, 03 Mar 2025 09:00:00 +0000

North Branch Nippersink Creek @ W Solon Rd : North Branch Nippersink Creek

Richmond, Illinois, United States

Observed by
Cindy Skrukrud
Sun, 02 Mar 2025 16:08:00 -0600

Nippersink Creek @ Rte 12 (west of State Park Rd intersection) : Nippersink Creek

Spring Grove, Illinois, United States

Observed by
Cindy Skrukrud
Sun, 02 Mar 2025 15:43:00 -0600

Timber Ridge Forest Preserve : Klein Creek

West Chicago, Illinois, United States

Observed by
Andy Culbertson
Sun, 02 Mar 2025 20:33:00 +0000

KC's Dock : Lake Cane

Orlando, Florida, United States

Observed by
Casey Johnson
Sun, 02 Mar 2025 15:15:05 -0500

Welland International Flatwater Centre : Welland Canal

Welland, Ontario, Canada

Observed by
Michelle West
Sun, 02 Mar 2025 14:59:00 -0500

River Leam North Bank RLSCC : River Leam

Leamington, Warwickshire, United Kingdom

Observed by
Jo Beckett
Sun, 02 Mar 2025 18:00:00 +0000

Clitheroe Island - Boston Manor Park : River Brent

London, Hounslow, United Kingdom

Observed by
Mitch Goldman
Sun, 02 Mar 2025 18:00:00 +0000

Mulligans - St Marys River : St Marys River

Ontario, Canada

Observed by
Community Volunteers
Sun, 02 Mar 2025 12:48:00 -0500

Spring Brook Creek : Spring Brook Creek

Wheaton, Illinois, United States

Observed by
Jan Killian
Sun, 02 Mar 2025 11:45:00 -0600

Duckweir - Clitheroe Island - Boston Manor Park : River Brent

London, Hounslow, United Kingdom

Observed by
Mitch Goldman
Sun, 02 Mar 2025 17:40:00 +0000

Root River Old Garden River : Root River

Ontario, Canada

Observed by
Community Volunteers
Sun, 02 Mar 2025 12:35:00 -0500

Crystal Creek Case Rd : Crystal Creek

Rankin Location Indian Reserve 15d, Ontario, Canada

Observed by
Community Volunteers
Sun, 02 Mar 2025 12:30:00 -0500

Copper Slough at Porter Park : Copper Slough

Champaign, Illinois, United States

Observed by
Lainey Howard
Sun, 02 Mar 2025 11:30:00 -0600

Oxleas wood, large pond : East Wickham

London, Greenwich, United Kingdom

Observed by
Katie Smith
Sun, 02 Mar 2025 17:25:00 +0000

Root River Branch Fourth Line E : Root River Branch

Ontario, Canada

Observed by
Community Volunteers
Sun, 02 Mar 2025 12:25:00 -0500

Root River Fourth Line E : Root River

Ontario, Canada

Observed by
Community Volunteers
Sun, 02 Mar 2025 12:25:00 -0500