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

+0 new sample locations added in the past 30 days

Welland Canal : Welland International Flatwater Centre

Welland, Ontario, Canada

Waterbody Type:
Canal
Last observed: July 16, 2025
Monitored since: January 10, 2025

St. Lawrence River: Gazebo near water treatment plant.

Cornwall, Ontario, Canada

Waterbody Type:
River
Last observed: July 16, 2025
Monitored since: July 16, 2025

Lac Robinson: ROB1

Val Des Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 16, 2025
Monitored since: June 17, 2024

Petit lac Huot: PHL1

Quebec, Canada

Waterbody Type:
Lake
Last observed: July 16, 2025
Monitored since: June 14, 2024

Hogsmill: Saipem S5 - Tolworth Brook

London, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: July 16, 2025
Monitored since: April 2, 2025

Cougar Creek: Site - 8

Surrey, British Columbia, Canada

Waterbody Type:
Creek
Last observed: July 16, 2025
Monitored since: July 16, 2025

Silver Creek: Silver Creek

Port Moody, British Columbia, Canada

Waterbody Type:
Stream
Last observed: July 15, 2025
Monitored since: May 17, 2023

Lac Saint-Pierre: Fosse SP2

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 15, 2025
Monitored since: June 8, 2021

Lac Coupal: Lac Coupal boat launch

Montcerf Lytton, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 15, 2025
Monitored since: July 15, 2025

Hogsmill: Middle Mill

London, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: July 15, 2025
Monitored since: June 21, 2024

St. Lawrence River: Mariatown Bay - Erosion Project site

Ontario, Canada

Waterbody Type:
Bay
Last observed: July 14, 2025
Monitored since: July 24, 2023

Black Creek: Black Creek South of Shoreham

North York, Ontario, Canada

Waterbody Type:
Unknown
Last observed: July 14, 2025
Monitored since: July 14, 2025

Tiffany Creek: Tiffany Creek d/s of Filman Road

Ancaster, Ontario, Canada

Waterbody Type:
Creek
Last observed: July 14, 2025
Monitored since: July 14, 2025

Tiffany Creek: Tiffany Creek d/s of Tiffany Falls

Ancaster, Ontario, Canada

Waterbody Type:
Creek
Last observed: July 14, 2025
Monitored since: July 14, 2025

Tiffany Creek: Tiffany Creek u/s of Lower Lions Club Road

Dundas, Ontario, Canada

Waterbody Type:
Creek
Last observed: July 14, 2025
Monitored since: July 14, 2025

Spencer Creek: Spencer Creek d/s of Cootes Dr

Hamilton, Ontario, Canada

Waterbody Type:
Creek
Last observed: July 14, 2025
Monitored since: July 14, 2025

Spencer Creek: Spencer Creek u/s of Cootes Drive

Hamilton, Ontario, Canada

Waterbody Type:
Creek
Last observed: July 14, 2025
Monitored since: June 4, 2025

Lac Truite: Fosse T1

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 14, 2025
Monitored since: June 13, 2021

Lac Bataille: Fosse B2

Quebec, Canada

Waterbody Type:
Lake
Last observed: July 14, 2025
Monitored since: June 12, 2021

Yeading Brook : Yeading Walk

London, Harrow, United Kingdom

Waterbody Type:
Stream
Last observed: July 14, 2025
Monitored since: April 12, 2024

St. Lawrence: St. Lawrence River

Cornwall, Ontario, Canada

Waterbody Type:
Unknown
Last observed: July 13, 2025
Monitored since: July 13, 2025