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?

8,226 locations

+34 new sample locations added in the past 30 days

Lake Ontario: Winter Ferry dock End of Rd 7051

Kingston, Ontario, Canada

Waterbody Type:
Lake
Last observed: October 7, 2024
Monitored since: September 8, 2017

Beverley Brook: Wimbledon Common A3

London, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: October 7, 2024
Monitored since: April 25, 2024

Mississippi Lake: Black Bass bay

Ontario, Canada

Waterbody Type:
Bay
Last observed: October 7, 2024
Monitored since: July 13, 2024

(The) Mitchell Brook: The Mitchell Brook

London, Brent, United Kingdom

Waterbody Type:
Stream
Last observed: October 7, 2024
Monitored since: October 7, 2024

The Lower Brent: The Lower Brent

London, Brent, United Kingdom

Waterbody Type:
River
Last observed: October 7, 2024
Monitored since: October 7, 2024

Mitchell Brook: (The) Mitchell Brook

London, Brent, United Kingdom

Waterbody Type:
Stream
Last observed: October 7, 2024
Monitored since: October 7, 2024

St. Lawrence River: Pointe Maligne Park

Ontario, Canada

Waterbody Type:
River
Last observed: October 6, 2024
Monitored since: October 6, 2024

St Lawrence River: Lamoureux Park Boat Ramp

Ontario, Canada

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

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

Buck Lake: Buck Lake

Ontario, Canada

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

Turkey brook: Forty hill

Waltham Cross, Enfield, United Kingdom

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

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

River Brent: Costons Weir Confluence

London, Ealing, United Kingdom

Waterbody Type:
River
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

Lilla Vartan: Stockholm waterfront

Stockholm, Stockholms län, Sweden

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