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?

8,239 locations

+1 new sample locations added in the past 30 days

Stainbeck: C Trib 1

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: September 28, 2025
Monitored since: October 27, 2024
10 Observations
0 Issues

Blackwater river: Blackwater by aldershot sewage works

Aldershot, England, United Kingdom

Waterbody Type:
River
Last observed: September 28, 2025
Monitored since: May 31, 2025
4 Observations
0 Issues

The Bourne: Bridge at River Bourne

Woking, England, United Kingdom

Waterbody Type:
River
Last observed: September 28, 2025
Monitored since: September 28, 2025
1 Observations
0 Issues

Madge Lake: Ranger Bay #11

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: September 27, 2025
Monitored since: May 28, 2022
15 Observations
0 Issues

Jackfish Lake: Jackfish Lake

Kamsack, Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: September 27, 2025
Monitored since: June 27, 2025
4 Observations
0 Issues

Wakaw Lake : Osze Beach 16-2

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: September 27, 2025
Monitored since: May 29, 2022
31 Observations
0 Issues

Madge Lake: Jubilee Park dock

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: September 27, 2025
Monitored since: May 27, 2022
22 Observations
0 Issues

Nadder Stream: Nadder upstream of confluence with the Wey

Farnham, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: September 27, 2025
Monitored since: November 21, 2024
10 Observations
0 Issues

River Wey: By Snailslynch upstream of the Nadder confluence

Farnham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: September 27, 2025
Monitored since: November 21, 2024
10 Observations
0 Issues

River Hart: Hartfordbridge

Hook, England, United Kingdom

Waterbody Type:
River
Last observed: September 26, 2025
Monitored since: June 1, 2025
6 Observations
0 Issues

River Wey: River Wey near Plough Bridge, Byfleet

Byfleet, Surrey, United Kingdom

Waterbody Type:
River
Last observed: September 26, 2025
Monitored since: May 29, 2023
42 Observations
0 Issues

Bowker Creek : Browning/mcrae

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 24, 2025
Monitored since: December 22, 2024
23 Observations
0 Issues

Qu'Appelle River: Qu'Appelle River between outflow Echo Lake flow to Mission Lake

Saskatchewan, Canada

Waterbody Type:
River
Last observed: September 22, 2025
Monitored since: June 27, 2021
28 Observations
0 Issues

Big Rideau Lake: End of Briton Bay

Portland, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 21, 2025
Monitored since: July 4, 2025
4 Observations
0 Issues

Big Rideau Lake: Lost Lake

Portland, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 21, 2025
Monitored since: July 4, 2025
4 Observations
0 Issues

Big Rideau Lake: NW of Tar Island

Portland, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 21, 2025
Monitored since: July 4, 2025
3 Observations
0 Issues

Big Rideau Lake: Cow Island Dock

Portland, Ontario, Canada

Waterbody Type:
Lake
Last observed: September 21, 2025
Monitored since: September 8, 2022
2 Observations
0 Issues

Hogg's Bay on Big Rideau Lake: Hogg's Bay - Entrance

Portland, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 21, 2025
Monitored since: July 4, 2017
28 Observations
0 Issues

River Wey: River Wey - Godalming by duck feeding platform

Godalming, Surrey, United Kingdom

Waterbody Type:
River
Last observed: September 21, 2025
Monitored since: May 28, 2022
19 Observations
0 Issues

Kipabiskau : Kipabiskau

Lac Vert, Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: September 20, 2025
Monitored since: September 20, 2025
1 Observations
0 Issues

Pearl River: Old Highway 13 Bridge

Lena, Mississippi, United States

Waterbody Type:
River
Last observed: September 18, 2025
Monitored since: September 19, 2018
194 Observations
0 Issues