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

+695 new observations added in the past 30 days

Tyler Creek Forest Preserve : Tyler Creek

Elgin, Illinois, United States

Observed by
Sandra Jacoby
Tue, 30 Jan 2024 13:15:00 +0000

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

Leeds, Leeds, United Kingdom

Observed by
Simon Conyers
Tue, 30 Jan 2024 13:10:00 +0000

Box Lake Dock : Box Lake

British Columbia, Canada

Observed by
Rick and Janice Hogg
Mon, 29 Jan 2024 17:24:00 -0800

Pond at Briarcliff Neighborhood Beach : Pond at Briarcliff Neighborhood

Mahomet, Illinois, United States

Observed by
Lainey Howard
Mon, 29 Jan 2024 17:06:00 -0600

East Branch DuPage River at Churchill Woods : East Branch of the DuPage River

Lombard, Illinois, United States

Observed by
Beth Peluse
Mon, 29 Jan 2024 17:05:00 -0600

Turnmill Pond - Smythe Settlement : Turnmill Pond

West Chicago, Illinois, United States

Observed by
Steve Slivka
Mon, 29 Jan 2024 16:25:00 -0600

Copper Slough at Porter Park : Copper Slough

Champaign, Illinois, United States

Observed by
Lainey Howard
Mon, 29 Jan 2024 16:21:00 -0600

Army Trail West Pond - Smythe Settlement : Army Trail West Pond

West Chicago, Illinois, United States

Observed by
Steve Slivka
Mon, 29 Jan 2024 16:16:00 -0600

Sandy Creek in Elgin Township Wetland preserve : Sandy Creek

Elgin, Illinois, United States

Observed by
Holly Hudson
Mon, 29 Jan 2024 16:15:00 -0600

Trinity South Pond - Smythe Settlement : Trinity South Pond

West Chicago, Illinois, United States

Observed by
Steve Slivka
Mon, 29 Jan 2024 16:08:00 -0600

Mudro Frazer Dock : Murdo Frazer Pond

North Vancouver, British Columbia, Canada

Observed by
Joshua Ralph
Mon, 29 Jan 2024 13:34:00 -0800

Leake County Water Park : Pearl River

Canton, Mississippi, United States

Observed by
William W Mitchell
Mon, 29 Jan 2024 14:55:00 -0600

DesPlaines River from DesPlaines Riverways DuPage FPD : DesPlaines River

Hinsdale, Illinois, United States

Observed by
Kevin Blair
Mon, 29 Jan 2024 13:35:00 -0600

DuPage River at Riverwalk South Covered Bridge : DuPage River

Naperville, Illinois, United States

Observed by
Shelley Birdsong
Mon, 29 Jan 2024 11:45:00 -0600

Salt Creek, Elk Grove Village, IL at Morton Park : Salt Creek

Elk Grove Village, Illinois, United States

Observed by
Shane/Hailey Sexton/Stapleton
Mon, 29 Jan 2024 11:39:00 -0600

Pioneer Park : West Branch DuPage River

Naperville, Illinois, United States

Observed by
Kyla Muhammad
Mon, 29 Jan 2024 09:46:00 -0600

Hodge Brook at Fox Corner Nature Reserve : Hodge Brook

Surrey, United Kingdom

Observed by
Philippa Mitchell
Mon, 29 Jan 2024 15:33:00 +0000

Fox Corner Nature Reserve : Stanford Brook/Hoe Stream

Surrey, United Kingdom

Observed by
Philippa Mitchell
Mon, 29 Jan 2024 15:20:00 +0000

River Wey, Upstream of Bowers Lock : River Wey

Burpham, Surrey, United Kingdom

Observed by
Fiona Poulter
Mon, 29 Jan 2024 15:00:00 +0000

Bridleway off to the side of Hammer House : River Wey

Liphook, West Sussex, United Kingdom

Observed by
Peter Cameron
Mon, 29 Jan 2024 14:40:00 +0000