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?

8,225 locations

+40 new sample locations added in the past 30 days

Roundhay Park : Upper Lake: Upper Lake East

Leeds, Leeds, United Kingdom

Waterbody Type:
Lake
Last observed: August 30, 2025
Monitored since: January 26, 2025
8 Observations
0 Issues

Salinaty Lake: Centre of Lake

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: August 29, 2025
Monitored since: May 5, 2022
20 Observations
0 Issues

Moulsham Bridge, Moor Green, Finchampstead: Blackwater

Wokingham, England, United Kingdom

Waterbody Type:
River
Last observed: August 29, 2025
Monitored since: April 26, 2025
7 Observations
0 Issues

Mississippi Lake: Mississippi Lake - by Willis Island

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 29, 2025
Monitored since: June 23, 2020
60 Observations
0 Issues

Mississippi Lake: Sinclair Shore - Dock

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 29, 2025
Monitored since: June 16, 2020
62 Observations
0 Issues

Round lake: End of dock

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: August 29, 2025
Monitored since: June 4, 2023
10 Observations
0 Issues

Landings Wood Stream: Landings Wood Stream

Farncombe, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: August 29, 2025
Monitored since: July 31, 2023
22 Observations
0 Issues

The Bourne: Holme Farm

Addlestone, Surrey, United Kingdom

Waterbody Type:
River
Last observed: August 29, 2025
Monitored since: February 23, 2025
7 Observations
0 Issues

Great Heads Beck, Roundhay Park: Great Heads Beck 2

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: August 29, 2025
Monitored since: January 25, 2025
8 Observations
0 Issues

Great Heads Beck, Roundhay Park: Great Heads Beck 3

Leeds, Leeds, United Kingdom

Waterbody Type:
Unknown
Last observed: August 29, 2025
Monitored since: January 25, 2025
8 Observations
0 Issues

River Wey: River Wey near Plough Bridge, Byfleet

Byfleet, Surrey, United Kingdom

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

River Wey: Peperharrow swimming spot, by fish bypass

Godalming, Surrey, United Kingdom

Waterbody Type:
River
Last observed: August 29, 2025
Monitored since: May 28, 2022
43 Observations
0 Issues

Benson Creek: Benson Creek as it enters into Larder Lake

Ontario, Canada

Waterbody Type:
Creek
Last observed: August 28, 2025
Monitored since: September 20, 2021
15 Observations
0 Issues

Larder Lake : Larder Lake Marina

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 28, 2025
Monitored since: July 3, 2017
29 Observations
0 Issues

Mill Stream: Cedar Vale Park (Site 4)

Langford, British Columbia, Canada

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

Mill Stream: Finlayson Arm Road (Site 1)

Highlands, British Columbia, Canada

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

Mill Stream: Chow Nicoll Park (Site 2)

Highlands, British Columbia, Canada

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

Mississippi Lake: Montgomery Shore/First Lake

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 28, 2025
Monitored since: July 18, 2019
60 Observations
0 Issues

Mill Stream: Goldie Park (Site 3)

Langford, British Columbia, Canada

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

Mill Stream: Atkins Avenue (Site 5)

Langford, British Columbia, Canada

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

Mill Stream: Hartwig-Saunders Park (Site 6)

Victoria, British Columbia, Canada

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