Locations

Locations are places where people have tested before. Click on any location report to view water health trends at that spot over time. What's this?

8,229 locations

+33 new sample locations added in the past 30 days

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

Leeds, Leeds, United Kingdom

Waterbody Type:
Lake
Last observed: August 31, 2025
Monitored since: January 30, 2025
7 Observations
0 Issues

Meanwood beck: C2

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: August 31, 2025
Monitored since: October 27, 2024
9 Observations
0 Issues

Upper French River : Brandon Island

Ontario, Canada

Waterbody Type:
River
Last observed: August 31, 2025
Monitored since: July 28, 2024
5 Observations
0 Issues

Meanwood beck: C1

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: August 31, 2025
Monitored since: October 27, 2024
9 Observations
0 Issues

Stainbeck: C Trib 2

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: August 31, 2025
Monitored since: October 27, 2024
9 Observations
0 Issues

Koshkawong River: Milford Haven

Ontario, Canada

Waterbody Type:
River
Last observed: August 31, 2025
Monitored since: May 29, 2023
19 Observations
0 Issues

Upper French River : Isle #93 (Main Channel)

Ontario, Canada

Waterbody Type:
Unknown
Last observed: August 31, 2025
Monitored since: June 30, 2024
6 Observations
0 Issues

River Hart: Hartfordbridge

Hook, England, United Kingdom

Waterbody Type:
River
Last observed: August 31, 2025
Monitored since: June 1, 2025
5 Observations
0 Issues

Blackwater River: Sandhurst Sewage Works

Camberley, England, United Kingdom

Waterbody Type:
River
Last observed: August 31, 2025
Monitored since: June 1, 2025
4 Observations
0 Issues

Stainbeck: C Trib 1

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: August 31, 2025
Monitored since: October 27, 2024
9 Observations
0 Issues

West Davignon Creek: West Davignon Creek on Young

Sault Ste. Marie, Ontario, Canada

Waterbody Type:
Creek
Last observed: August 31, 2025
Monitored since: May 25, 2025
4 Observations
0 Issues

Mississippi Lake: Ebbs Shore

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 31, 2025
Monitored since: June 25, 2023
18 Observations
0 Issues

Upper French River: Isle #92 (Back Channel)

Ontario, Canada

Waterbody Type:
Channel
Last observed: August 31, 2025
Monitored since: June 30, 2024
6 Observations
0 Issues

Bennett Creek: Bennett Creek at Rosita Park

Sault Ste. Marie, Ontario, Canada

Waterbody Type:
Creek
Last observed: August 31, 2025
Monitored since: May 25, 2025
4 Observations
0 Issues

Bennett Creek: Bennet Creek on Third

Sault Ste. Marie, Ontario, Canada

Waterbody Type:
Creek
Last observed: August 31, 2025
Monitored since: May 25, 2025
4 Observations
0 Issues

Wyke Beck: Wyke Beck 1

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: August 31, 2025
Monitored since: January 26, 2025
8 Observations
0 Issues

River Wey: Downstream of Slyfield Treatment Works

Burpham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: August 31, 2025
Monitored since: May 13, 2022
43 Observations
0 Issues

River Wey: Allees Meadow

East Hampshire District, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: August 31, 2025
Monitored since: December 4, 2021
48 Observations
0 Issues

River Wey: Stoke Lock Pontoon

Burpham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: August 31, 2025
Monitored since: May 13, 2022
42 Observations
0 Issues

Botany Stream, River Medway, Tonbridge: Postern Lane Bridge

Tonbridge, England, United Kingdom

Waterbody Type:
River
Last observed: August 31, 2025
Monitored since: April 28, 2025
5 Observations
0 Issues

Wyke Beck: Wyke Beck 2

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: August 31, 2025
Monitored since: January 26, 2025
8 Observations
0 Issues