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?

66,501 observations

+96 new observations added in the past 30 days

Dacey Rd at St. Marys River : Storm Water

Ontario, Canada

Observed by
Community Volunteers
Thu, 14 Aug 2025 14:30:00 -0400

Hwy 59 Pump Slew : West Pearl

Pearl River, Louisiana, United States

Observed by
Kevin Olsen
Thu, 14 Aug 2025 12:05:00 -0500

Hwy 59 Pump Slew : West Pearl

Pearl River, Louisiana, United States

Observed by
Kevin Olsen
Thu, 14 Aug 2025 12:05:00 -0500

Westbrook Rd : Pearl River

Brandon, Mississippi, United States

Observed by
Will McDearman
Thu, 14 Aug 2025 10:15:00 -0500

Purple Creek : Purple Creek

Jackson, Mississippi, United States

Observed by
Will McDearman
Thu, 14 Aug 2025 09:45:00 -0500

Lake Huron : Lake Huron

Thessalon, Ontario, Canada

Observed by
Huron North Community Volunteers
Thu, 14 Aug 2025 10:00:00 -0400

Fannye Cook Natural Area : Hog Creek

Jackson, Mississippi, United States

Observed by
Will McDearman
Thu, 14 Aug 2025 09:00:00 -0500

Fannye Cook Natural Area North : Pearl River

Brandon, Mississippi, United States

Observed by
Will McDearman
Thu, 14 Aug 2025 08:35:00 -0500

Fannye Cook Natural Area : Hog Creek Tributary

Brandon, Mississippi, United States

Observed by
Will McDearman
Thu, 14 Aug 2025 08:20:00 -0500

Near Montreal Rd. Culvert outflow, outside of pit : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
Katherine Tieman
Thu, 14 Aug 2025 08:50:00 -0400

Montreal Rd. Culvert outflow : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
Katherine Tieman
Thu, 14 Aug 2025 08:45:00 -0400

St. Lawrence River Dock River Intitute : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
Katherine Tieman
Thu, 14 Aug 2025 08:30:00 -0400

Cornwall : St Lawrence River

Ontario, Canada

Observed by
Katherine Tieman
Thu, 14 Aug 2025 08:15:00 -0400

Devon : DeBoville Slough

Coquitlam, British Columbia, Canada

Observed by
David Mounteney
Thu, 14 Aug 2025 10:40:00 +0000

Archibald Dock : Lake Huron

Ontario, Canada

Observed by
Janice Fairfax
Thu, 14 Aug 2025 10:30:00 +0000

Broadford Road Bridge : River Wey

Guildford, England, United Kingdom

Observed by
Paul Holmes-Higgin
Thu, 14 Aug 2025 09:45:00 +0000

Chandos Park (Downstream) : Edgware Brook

London, Harrow, United Kingdom

Observed by
Trevor Steeples
Thu, 14 Aug 2025 10:30:00 +0100

Chandos Park (Upstream) : Edgware Brook

London, Harrow, United Kingdom

Observed by
Trevor Steeples
Thu, 14 Aug 2025 09:50:00 +0100

Downstream Stepping Stones : Hogsmill

Epsom, Surrey, United Kingdom

Observed by
Richard Cotmore
Thu, 14 Aug 2025 09:45:00 +0100

Green Lanes A (downstream of old green lanes stream) : Hogsmill

Epsom, Surrey, United Kingdom

Observed by
Richard Cotmore
Thu, 14 Aug 2025 08:50:00 +0100