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?

62,597 observations

+687 new observations added in the past 30 days

Downstream of Slyfield Treatment Works : River Wey

Burpham, Surrey, United Kingdom

Observed by
Alan Thorogood
Fri, 25 Apr 2025 16:16:00 +0100

Stoke Lock Pontoon : River Wey

Burpham, Surrey, United Kingdom

Observed by
Alan Thorogood
Fri, 25 Apr 2025 15:54:07 +0100

Upstream of Connaught Water : The Ching

Buckhurst Hill, Essex, United Kingdom

Observed by
Robin Pettitt
Fri, 25 Apr 2025 15:30:00 +0100

Welland River, River Rd Parkette : Welland River, River Rd Parkette

Welland, Ontario, Canada

Observed by
Duncan MacDuff
Fri, 25 Apr 2025 10:20:00 -0400

St John's Brook, Priory Park, Warwick : StJohns Brook, Priory Park, Warwick

Warwick, Warwickshire, United Kingdom

Observed by
Felicity Stratton
Fri, 25 Apr 2025 15:18:00 +0100

West College Drive (Rt 83) & S. 75 th Ave Palos Heights,Il 60463 : Lake Katherine Nature Center/Cal Sag Channel

Palos Heights, Illinois, United States

Observed by
Kathy Janik
Fri, 25 Apr 2025 09:15:00 -0500

Waterloo Lake : Landing stage by cafe : Roundhay Park :Waterloo Lake

Leeds, Leeds, United Kingdom

Observed by
Mary Clayton
Fri, 25 Apr 2025 14:45:00 +0100

Sunset Dr water treatment plant : Lake Huron

Thessalon, Ontario, Canada

Observed by
Tina Johncox
Fri, 25 Apr 2025 09:30:00 -0400

Whitehall Outfall 5a : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 25 Apr 2025 14:00:00 +0100

Whitehall Outfall 5b : River Ching

Buckhurst Hill, Redbridge, United Kingdom

Observed by
Anne Rowland
Fri, 25 Apr 2025 14:00:00 +0100

Chobham Road underpass : Basingstoke Canal

Woking, Surrey, United Kingdom

Observed by
Annabelle Lloyd-Jane
Fri, 25 Apr 2025 14:00:00 +0100

Fosse A1 : Lac Achigan

Quebec, Canada

Observed by
Denise Goulet
Fri, 25 Apr 2025 09:00:00 -0400

WEY AT NEWARK LANE, PYRFORD : Wey (Shalford to River Thames confluence at Weybridge)

Send, Surrey, United Kingdom

Observed by
Fiona Poulter
Fri, 25 Apr 2025 12:30:00 +0000

Mayford Meadows : Hoe Stream

Woking, Surrey, United Kingdom

Observed by
Fiona Poulter
Fri, 25 Apr 2025 12:28:00 +0000

Frensham Swimming Spot : River Wey

Frensham, Surrey, United Kingdom

Observed by
Fiona Poulter
Fri, 25 Apr 2025 12:23:00 +0000

Cranleigh RFC : Cranleigh Waters

Waverley Borough, Surrey, United Kingdom

Observed by
Fiona Poulter
Fri, 25 Apr 2025 13:20:00 +0100

Godalming Wharf - River bend by Sainsbury's : River Wey

Godalming, Surrey, United Kingdom

Observed by
Fiona Poulter
Fri, 25 Apr 2025 13:16:00 +0100

Bentley- upstream of outflow : River Wey

Bentley, Hampshire, United Kingdom

Observed by
Fiona Poulter
Fri, 25 Apr 2025 12:14:00 +0000

Sammy’s snail Gunpowder Mills : Tillingbourne

Bramley, Surrey, United Kingdom

Observed by
Fiona Poulter
Fri, 25 Apr 2025 12:13:00 +0000

Shalford Mill : River Tillingbourne

Guildford, Surrey, United Kingdom

Observed by
Fiona Poulter
Fri, 25 Apr 2025 13:11:00 +0100