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?
8,168 locations
+97 new sample locations added in the past 30 days
/-75.627311,45.671525,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
/-75.635736,45.673869,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
/-0.0246978,51.5585033,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Old River Lea: Point 2
London, Waltham Forest, United Kingdom
Waterbody Type:River
Last observed: July 5, 2025 Monitored since: April 6, 2024
/-0.025711,51.55484,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Lea: The White House Bridge (Old River Lea)
London, Hackney, United Kingdom
Waterbody Type:River
Last observed: July 5, 2025 Monitored since: October 14, 2023
/-0.3204823,51.490686,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Brent: Clitheroe Island - Boston Manor Park
London, Hounslow, United Kingdom
Waterbody Type:River
Last observed: July 5, 2025 Monitored since: October 1, 2024
/-0.3210282,51.4900147,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Brent: Duckweir - Clitheroe Island - Boston Manor Park
London, Hounslow, United Kingdom
Waterbody Type:Unknown
Last observed: July 5, 2025 Monitored since: October 1, 2024
/-0.3413701,51.50289,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Brent River: Brent_41 Union Canal Towpath
London, Ealing, United Kingdom
Waterbody Type:River
Last observed: July 5, 2025 Monitored since: February 1, 2025
/-75.7451534,45.6504084,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac McGlashan: Entrance near road run-off
Val Des Monts, Quebec, Canada
Waterbody Type:Unknown
Last observed: July 4, 2025 Monitored since: May 1, 2025
/-76.2270954,44.7348149,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: Lost Lake
Portland, Ontario, Canada
Waterbody Type:Bay
Last observed: July 4, 2025 Monitored since: July 4, 2025
/-76.1835248,44.7633723,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: End of Briton Bay
Portland, Ontario, Canada
Waterbody Type:Bay
Last observed: July 4, 2025 Monitored since: July 4, 2025
/-76.2155204,44.7532621,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: NW of Tar Island
Portland, Ontario, Canada
Waterbody Type:Bay
Last observed: July 4, 2025 Monitored since: July 4, 2025
/-74.6908092,45.7486747,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rouge River: Rouge River
Quebec, Canada
Waterbody Type:River
Last observed: July 4, 2025 Monitored since: July 27, 2024
/-77.0338583,43.9663801,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Black River: Black River outflow to Lake Ontario
Milford, Ontario, Canada
Waterbody Type:River
Last observed: July 4, 2025 Monitored since: April 13, 2017
/-76.1928823,44.801179,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: Lombardy
Ontario, Canada
Waterbody Type:Lake
Last observed: July 4, 2025 Monitored since: May 19, 2018
/-77.0522046,43.9189169,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Creek leading to South Bay on Lake Ontario: South Bay Cres Public Boat Launch
Milford, Ontario, Canada
Waterbody Type:Creek
Last observed: July 4, 2025 Monitored since: March 28, 2018
/-84.0774588,46.3124047,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Huron - Shoal Island: End of B Line - Shoal Island
Ontario, Canada
Waterbody Type:Lake
Last observed: July 4, 2025 Monitored since: May 28, 2022
/-83.4332657,46.3465306,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Basswood Lake: Jamie Bay sampling
Ontario, Canada
Waterbody Type:Lake
Last observed: July 4, 2025 Monitored since: June 2, 2023
/-75.712173,45.4582493,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Gatineau River: Gatineau River - rue Jacques Cartier / rue Blais
Gatineau, Quebec, Canada
Waterbody Type:River
Last observed: July 4, 2025 Monitored since: October 31, 2017
/0.0866675,51.497421,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Gallions Lake : Gallions Lake
London, Greenwich, United Kingdom
Waterbody Type:Lake
Last observed: July 4, 2025 Monitored since: April 25, 2024
/0.0856161,51.497496,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Gallions Lake 1: Gallions Lake 1
London, Greenwich, United Kingdom
Waterbody Type:Lake
Last observed: July 4, 2025 Monitored since: January 25, 2023
/-60.6518912,45.9183842,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Amaguadees Pond: Amaguadees Pond - Swampy Bridge
Eskasoni, Nova Scotia, Canada
Waterbody Type:Pond
Last observed: July 3, 2025 Monitored since: July 3, 2025