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?

7,973 locations

+64 new sample locations added in the past 30 days

Fleuve Saint-Laurent: Fleuve Saint-Laurent

Montreal, Quebec, Canada

Waterbody Type:
Unknown
Last observed: October 4, 2024
Monitored since: October 4, 2024

Rideau River: The Swale

Smiths Falls, Ontario, Canada

Waterbody Type:
River
Last observed: October 3, 2024
Monitored since: September 28, 2024

Shuswap Lake: Christmas Island

British Columbia, Canada

Waterbody Type:
Lake
Last observed: October 3, 2024
Monitored since: October 3, 2024

Richelieu River: Richelieu River

Beloeil, Quebec, Canada

Waterbody Type:
River
Last observed: October 3, 2024
Monitored since: May 31, 2021

River Brent tributary: Northwick park Brook(Wealdstone Brook?)

London, Brent, United Kingdom

Waterbody Type:
Stream
Last observed: October 3, 2024
Monitored since: October 3, 2024

Small tributary to River Wey: Harrops 2

Blacknest, Hampshire, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: January 1, 2000

Turkey brook: Forty hill

Waltham Cross, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024

Buck Lake: Buck Lake

Ontario, Canada

Waterbody Type:
Lake
Last observed: October 2, 2024
Monitored since: October 12, 2023

Cuffley Brook: Cuffley Brook Downstream

Waltham Cross, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024

Costons Brook: Costons Brooks

London, Ealing, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024

Turkey Brook: Cuffley brook upstream

London, Enfield, United Kingdom

Waterbody Type:
Bay
Last observed: October 2, 2024
Monitored since: October 2, 2024

River Brent: Costons Weir Confluence

London, Ealing, United Kingdom

Waterbody Type:
River
Last observed: October 2, 2024
Monitored since: October 2, 2024

Lilla Vartan: Stockholm waterfront

Stockholm, Stockholms län, Sweden

Waterbody Type:
River
Last observed: October 1, 2024
Monitored since: August 30, 2018

Ottawa River : Lavergne Bay and Lavergne Marsh

Ottawa, Ontario, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: July 22, 2013

Mouth of Madawaska River: Madawaska at Ottawa rivers

Arnprior, Ontario, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: May 24, 2014

Mississippi River: Near mouth

Ottawa, Ontario, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: May 24, 2014

Tawatinaw River - Colinton, Alberta: East of northern foot bridge

Alberta, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: July 31, 2023

Big Rideau Lake: Rideau Ferry Marina

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: June 8, 2005

Big Rideau Lake: BRLA - McCleans Bay

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: May 27, 2018

Diamond Lake: Boat Ramp @ Diamond Lake Park

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: May 29, 2023

Ottertail Lake: Dock @ Rydal Bank Park

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: May 29, 2023