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?

8,224 locations

+33 new sample locations added in the past 30 days

Raisin River: Raisin River Marina

Ontario, Canada

Waterbody Type:
River
Last observed: July 26, 2025
Monitored since: March 30, 2024

Round Lake: Home Shore

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: October 27, 2024

Round lake: Dock testing

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: May 28, 2022

River Wey: Stonehouse Road

Liphook, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: July 26, 2025
Monitored since: May 29, 2022

Lac Valérie: Lac Valérie

Quebec, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: June 22, 2025

Lievre River: Lievre River Buckingham

Gatineau, Quebec, Canada

Waterbody Type:
Unknown
Last observed: July 26, 2025
Monitored since: July 26, 2025

River Teise: Lamberhurst 2

Tunbridge Wells, England, United Kingdom

Waterbody Type:
River
Last observed: July 26, 2025
Monitored since: May 26, 2025

Lac Réna: Lac Réna

Saint Félix D'Otis, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: June 28, 2025

River Teise: Lamberhurst 1

Tunbridge Wells, England, United Kingdom

Waterbody Type:
River
Last observed: July 26, 2025
Monitored since: May 26, 2025

Cranleigh Waters: Cranleigh Waters Stream

Cranleigh, England, United Kingdom

Waterbody Type:
Stream
Last observed: July 26, 2025
Monitored since: June 30, 2025

River Bourne: Cabrera Riverside Walk

Virginia Water, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: July 26, 2025
Monitored since: December 29, 2024

Cranleigh waters : Elmbridge Road bridge

Cranleigh, Surrey, United Kingdom

Waterbody Type:
River
Last observed: July 26, 2025
Monitored since: January 20, 2025

Tame: Elford

Tamworth, England, United Kingdom

Waterbody Type:
Unknown
Last observed: July 26, 2025
Monitored since: July 26, 2025

Lac Otis: Lac Otis

Saint Félix D'Otis, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: June 28, 2025

Twenty Mile Creek: Smithville Nature Path

Smithville, Ontario, Canada

Waterbody Type:
Creek
Last observed: July 26, 2025
Monitored since: May 24, 2025

River Wey: Lower neathamMill

East Hampshire District, Hampshire, United Kingdom

Waterbody Type:
Unknown
Last observed: July 26, 2025
Monitored since: March 30, 2025

Big Rideau Lake: Big Rideau Lake at Hudsons Bay

Ontario, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: June 9, 2005

Lac à la Balle: Lac à la Balle

Saint Félix D'Otis, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: June 16, 2025

Big Rideau Lake: Hudson Bay

Ontario, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: May 27, 2018

Big Rideau Lake: Rideau Mac

Ontario, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: June 9, 2005

River Wey: Wey Navigation

Guildford, Surrey, United Kingdom

Waterbody Type:
River
Last observed: July 26, 2025
Monitored since: May 10, 2022