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

+40 new sample locations added in the past 30 days

Folly Brook: Folly pre confluence

London, England, United Kingdom

Waterbody Type:
River
Last observed: August 11, 2025
Monitored since: February 5, 2025
7 Observations
0 Issues

Moosomin Resevoir: Baseline 3

Saskatchewan, Canada

Waterbody Type:
Bay
Last observed: August 10, 2025
Monitored since: June 28, 2024
10 Observations
0 Issues

Lac Dame: Fosse DA2

Quebec, Canada

Waterbody Type:
Lake
Last observed: August 10, 2025
Monitored since: June 9, 2021
18 Observations
0 Issues

Lac Dame: Fosse DA1

Quebec, Canada

Waterbody Type:
Unknown
Last observed: August 10, 2025
Monitored since: June 9, 2021
20 Observations
0 Issues

Wey Navigation : Murray’s Bridge

Addlestone, Surrey, United Kingdom

Waterbody Type:
Canal
Last observed: August 10, 2025
Monitored since: December 28, 2024
7 Observations
0 Issues

Slade Pond: Slade Pond Inlet

London, Greenwich, United Kingdom

Waterbody Type:
Pond
Last observed: August 10, 2025
Monitored since: April 25, 2024
6 Observations
0 Issues

Slade Pond: Slade Pond Outfall

London, Greenwich, United Kingdom

Waterbody Type:
Pond
Last observed: August 10, 2025
Monitored since: April 25, 2024
7 Observations
0 Issues

River Pool Linear Park: River Pool

London, Lewisham, United Kingdom

Waterbody Type:
River
Last observed: August 10, 2025
Monitored since: May 12, 2023
28 Observations
0 Issues

Stream in Maryon Wilson Park: Maryon Wilson Park

London, Greenwich, United Kingdom

Waterbody Type:
Stream
Last observed: August 10, 2025
Monitored since: April 25, 2024
7 Observations
0 Issues

River: Ptarmigan Bridge

Fort Mcmurray, Alberta, Canada

Waterbody Type:
River
Last observed: August 9, 2025
Monitored since: April 21, 2025
6 Observations
0 Issues

Mississippi Lake: Ikwe Pt

Ontario, Canada

Waterbody Type:
Unknown
Last observed: August 9, 2025
Monitored since: August 16, 2022
35 Observations
0 Issues

Root River: Root River off Hwy 17 N (near Teen Challenge)

Ontario, Canada

Waterbody Type:
River
Last observed: August 8, 2025
Monitored since: March 10, 2024
28 Observations
0 Issues

Root River: Root River Fourth Line E

Ontario, Canada

Waterbody Type:
River
Last observed: August 8, 2025
Monitored since: March 10, 2024
34 Observations
0 Issues

Root River: Root River Wishart Park

Ontario, Canada

Waterbody Type:
River
Last observed: August 8, 2025
Monitored since: March 1, 2024
48 Observations
0 Issues

Duck pond: Bellevue Park duck pond

Ontario, Canada

Waterbody Type:
Pond
Last observed: August 8, 2025
Monitored since: February 22, 2024
34 Observations
0 Issues

Root River: Root River Old Garden River

Ontario, Canada

Waterbody Type:
River
Last observed: August 8, 2025
Monitored since: March 1, 2024
40 Observations
0 Issues

River beside CBU: South West (SW) Brook

Sydney, Nova Scotia, Canada

Waterbody Type:
River
Last observed: August 8, 2025
Monitored since: September 4, 2024
13 Observations
0 Issues

Hogsmill: Ewell Storm Tank

Epsom, Surrey, United Kingdom

Waterbody Type:
River
Last observed: August 8, 2025
Monitored since: November 21, 2024
10 Observations
0 Issues

Hogsmill: Bonesgate

Epsom, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: August 8, 2025
Monitored since: November 22, 2024
10 Observations
0 Issues

Beverley Brook: Barnes Common Riverfly site

London, Richmond upon Thames, United Kingdom

Waterbody Type:
River
Last observed: August 8, 2025
Monitored since: December 13, 2024
9 Observations
0 Issues

Kyd Brook : Kyd Brook Hawkswood Estate

London, Bromley, United Kingdom

Waterbody Type:
Stream
Last observed: August 8, 2025
Monitored since: July 8, 2023
25 Observations
0 Issues