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

Lac Grand: Fosse G2

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: June 9, 2021

Lac Grand: Fosse G3

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: June 9, 2021

Lac à la balle : Lac à la balle

Saint Félix D'Otis, Quebec, Canada

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

Big Carp River: Big Carp River Herkimer Rd

Ontario, Canada

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: March 1, 2024

Little Carp River: Little Carp River Carpin Beach Rd

Ontario, Canada

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: March 1, 2024

The Ching: Whitehall Plain

Buckhurst Hill, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: August 15, 2025
Monitored since: July 14, 2024

The Ching: Folly Lane EA monitoring point

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: August 15, 2025
Monitored since: March 23, 2025

The Ching: Highams Park Lake

London, Waltham Forest, United Kingdom

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: January 17, 2024

River Ching: Whitehall Outfall 5b

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: March 14, 2025

River Ching: Whitehall Outfall 5a

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: March 14, 2025

The Ching: 9 Gordon Ave E4

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: August 15, 2025
Monitored since: November 16, 2023

The Ching: Beech Hall

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: August 15, 2025
Monitored since: December 8, 2023

St. Lawrence: Summerstown

Cornwall, Ontario, Canada

Waterbody Type:
Unknown
Last observed: August 15, 2025
Monitored since: July 11, 2025

Lake Superior: Gros Cap - Lake Superior

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 14, 2025
Monitored since: March 2, 2025

St Marys River: Pointe Des Chenes

Ontario, Canada

Waterbody Type:
River
Last observed: August 14, 2025
Monitored since: March 2, 2025

Lac Pajegasque: Lac Pajegasque

Beaucanton, Quebec, Canada

Waterbody Type:
Unknown
Last observed: August 14, 2025
Monitored since: June 7, 2025

Rideau River: Merrickville Fairgrounds - Rideau River

Merrickville, Ontario, Canada

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

St. Lawrence River: Near Montreal Rd. Culvert outflow, outside of pit

Cornwall, Ontario, Canada

Waterbody Type:
River
Last observed: August 14, 2025
Monitored since: June 19, 2025

St. Lawrence River: Montreal Rd. Culvert outflow

Cornwall, Ontario, Canada

Waterbody Type:
River
Last observed: August 14, 2025
Monitored since: June 19, 2025

St. Lawrence River: St. Lawrence River Dock River Intitute

Cornwall, Ontario, Canada

Waterbody Type:
River
Last observed: August 14, 2025
Monitored since: June 19, 2025

St Lawrence River: Cornwall

Ontario, Canada

Waterbody Type:
River
Last observed: August 14, 2025
Monitored since: September 13, 2019