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?

64,902 observations

+917 new observations added in the past 30 days

Riverbank Neighbors - Berteau : Chicago River

Chicago, Illinois, United States

Observed by
Sean Carino
Fri, 23 May 2025 12:57:00 -0500

River Park Canoe Launch : Chicago River- North Branch

Chicago, Illinois, United States

Observed by
Sean Carino
Fri, 23 May 2025 12:45:00 -0500

Black Oaks Heritage Park (Windsor) : Detroit River

Ontario, Canada

Observed by
Isabelle Kolodziej
Fri, 23 May 2025 13:31:00 -0400

Cedar Vale Park (Site 4) : Mill Stream

Langford, British Columbia, Canada

Observed by
Peninsula Streams & Shorelines
Fri, 23 May 2025 10:22:18 -0700

Root River Wishart Park : Root River

Ontario, Canada

Observed by
Community Volunteers
Fri, 23 May 2025 13:15:00 -0400

Finlayson Arm Road (Site 1) : Mill Stream

Highlands, British Columbia, Canada

Observed by
Peninsula Streams & Shorelines
Fri, 23 May 2025 10:00:55 -0700

Chow Nicoll Park (Site 2) : Mill Stream

Highlands, British Columbia, Canada

Observed by
Peninsula Streams & Shorelines
Fri, 23 May 2025 09:46:30 -0700

Root River off Hwy 17 N (near Teen Challenge) : Root River

Ontario, Canada

Observed by
Community Volunteers
Fri, 23 May 2025 12:30:00 -0400

Goldie Park (Site 3) : Mill Stream

Langford, British Columbia, Canada

Observed by
Peninsula Streams & Shorelines
Fri, 23 May 2025 09:26:34 -0700

Glen Crest Creek - Lincoln Hill : Glen Crest Creek

Glen Ellyn, Illinois, United States

Observed by
Richard Whitney
Fri, 23 May 2025 11:25:00 -0500

Atkins Avenue (Site 5) : Mill Stream

Langford, British Columbia, Canada

Observed by
Peninsula Streams & Shorelines
Fri, 23 May 2025 09:03:17 -0700

Hartwig-Saunders Park (Site 6) : Mill Stream

Victoria, British Columbia, Canada

Observed by
Peninsula Streams & Shorelines
Fri, 23 May 2025 08:41:41 -0700

North shore : Buffalo pound Lake

Saskatchewan, Canada

Observed by
Terry Hunchuk
Fri, 23 May 2025 09:30:00 -0600

Whitehall Outfall 5b : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 23 May 2025 16:20:00 +0100

Whitehall Outfall 5a : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 23 May 2025 16:20:00 +0100

BORDON WASTEWATER TREATMENT WORKS : South Wey (Bordon to River Slea confluence)

Bordon, Hampshire, United Kingdom

Observed by
Deadwater Valley Trust Ranger
Fri, 23 May 2025 14:59:00 +0000

BORDON STW : South Wey (Bordon to River Slea confluence)

Bordon, Hampshire, United Kingdom

Observed by
Deadwater Valley Trust Ranger
Fri, 23 May 2025 14:56:00 +0000

WEY ( SOUTH ) ABOVE BORDON STW : South Wey (Bordon to River Slea confluence)

Bordon, Hampshire, United Kingdom

Observed by
Deadwater Valley Trust Ranger
Fri, 23 May 2025 14:54:00 +0000

DEADWATER AT CHALET HILL BRIDGE : Hollywater and Deadwater at Bordon

Bordon, Hampshire, United Kingdom

Observed by
Deadwater Valley Trust Ranger
Fri, 23 May 2025 14:50:00 +0000

Welland River, River Rd, EC Brown Conservation Area : Welland River

Ontario, Canada

Observed by
Duncan MacDuff
Fri, 23 May 2025 10:45:00 -0400