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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?

66,523 observations

+51 new observations added in the past 30 days

Mill Creek off Morgantown Rd : Mill Creek

Foxworth, Mississippi, United States

Observed by
Theresa Thornhill
Fri, 27 Jun 2025 08:30:00 -0500

Whitehall Outfall 5b : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 27 Jun 2025 14:15:00 +0100

Lac Otis : Lac Otis

Saint Félix D'Otis, Quebec, Canada

Observed by
Jean-Denis Hamel
Fri, 27 Jun 2025 09:05:00 -0400

Whitehall Outfall 5a : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 27 Jun 2025 14:05:00 +0100

Polsted Lane/Withies Lane stream : Stream at junction of Polsted Lane and Withies Lane

Farncombe, Surrey, United Kingdom

Observed by
Trevor Murrells
Fri, 27 Jun 2025 12:45:00 +0100

Outlet into Pond Wood : Unstead Wetland Reserve

Guildford Borough, Surrey, United Kingdom

Observed by
Trevor Murrells
Fri, 27 Jun 2025 12:30:00 +0100

Compton Common: Stream that passes through pipe under path (East side) : Stream at Compton Common

Farncombe, Surrey, United Kingdom

Observed by
Trevor Murrells
Fri, 27 Jun 2025 12:25:00 +0100

Small pool on UWNR near to GSTW outflow, east side of Trunley Health Road : Unstead Wetland Nature Reserve

Godalming, Surrey, United Kingdom

Observed by
Trevor Murrells
Fri, 27 Jun 2025 12:25:00 +0100

Hatch Roundabout - Downstream : The Ching

London, Waltham Forest, United Kingdom

Observed by
Derek Seume
Fri, 27 Jun 2025 12:12:00 +0100

Hatch Roundabout - Upstream : The Ching

London, Waltham Forest, United Kingdom

Observed by
Derek Seume
Fri, 27 Jun 2025 11:55:00 +0100

Sandhurst Sewage Works : Blackwater River

Camberley, England, United Kingdom

Observed by
Chrissy Pieters
Fri, 27 Jun 2025 11:45:00 +0100

Outflow from GSTW into Wey Natural River: Trunley Heath Road : Wey Natural River

Godalming, Surrey, United Kingdom

Observed by
Trevor Murrells
Fri, 27 Jun 2025 11:35:00 +0100

Knowle Park Lower : Cranleigh Waters

Cranleigh, Surrey, United Kingdom

Observed by
Jacqui Coussmaker
Fri, 27 Jun 2025 10:15:00 +0000

Natural Wey River at Unstead close to bridge (Northside) : Natural Wey River (Unstead)

Godalming, Surrey, United Kingdom

Observed by
Trevor Murrells
Fri, 27 Jun 2025 11:10:00 +0100

Knowle Park : Cranleigh Waters

Cranleigh, Surrey, United Kingdom

Observed by
Jacqui Coussmaker
Fri, 27 Jun 2025 09:46:00 +0000

9 Gordon Ave E4 : The Ching

London, Waltham Forest, United Kingdom

Observed by
Janet Laban
Fri, 27 Jun 2025 10:45:00 +0100

Newark Lock downstream : River Wey

Ripley, Surrey, United Kingdom

Observed by
Alan Toomey
Fri, 27 Jun 2025 10:30:00 +0100

Highams Park Lake : The Ching

London, Waltham Forest, United Kingdom

Observed by
Janet Laban
Fri, 27 Jun 2025 10:15:00 +0100

Newark Lock upstream : River Wey

Send, Surrey, United Kingdom

Observed by
Alan Toomey
Fri, 27 Jun 2025 10:10:00 +0100

River Wey near Plough Bridge, Byfleet : River Wey

Byfleet, Surrey, United Kingdom

Observed by
Fiona Poulter
Fri, 27 Jun 2025 08:40:00 +0000