/-0.1890238,51.616017,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Dollis Brook: Riverside Park (Downstream)
London, Barnet, United Kingdom
Waterbody Type:River
Last observed: August 11, 2025 Monitored since: May 20, 2023
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
+38 new sample locations added in the past 30 days
River
Last observed: August 11, 2025 Monitored since: May 20, 2023
/-0.1887781,51.616235,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Dollis Brook : Outfall at RMI Site
London, England, United Kingdom
Waterbody Type:River
Last observed: August 11, 2025 Monitored since: June 15, 2025
/-0.1894777,51.6172613,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Folly Brook: Folly pre confluence
London, England, United Kingdom
Waterbody Type:River
Last observed: August 11, 2025 Monitored since: February 5, 2025
/-101.7054104,50.0753751,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Moosomin Resevoir: Baseline 3
Saskatchewan, Canada
Waterbody Type:Bay
Last observed: August 10, 2025 Monitored since: June 28, 2024
/-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)
/-0.4856395,51.3330831,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wey Navigation : Murray’s Bridge
Addlestone, Surrey, United Kingdom
Waterbody Type:Canal
Last observed: August 10, 2025 Monitored since: December 28, 2024
/0.0890493,51.4811471,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Slade Pond: Slade Pond Inlet
London, Greenwich, United Kingdom
Waterbody Type:Pond
Last observed: August 10, 2025 Monitored since: April 25, 2024
/0.0882554,51.480692,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Slade Pond: Slade Pond Outfall
London, Greenwich, United Kingdom
Waterbody Type:Pond
Last observed: August 10, 2025 Monitored since: April 25, 2024
/-0.0270953,51.4382114,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Pool Linear Park: River Pool
London, Lewisham, United Kingdom
Waterbody Type:River
Last observed: August 10, 2025 Monitored since: May 12, 2023
/0.0423145,51.4861841,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Stream in Maryon Wilson Park: Maryon Wilson Park
London, Greenwich, United Kingdom
Waterbody Type:Stream
Last observed: August 10, 2025 Monitored since: April 25, 2024
/-111.4401792,56.7456364,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River: Ptarmigan Bridge
Fort Mcmurray, Alberta, Canada
Waterbody Type:River
Last observed: August 9, 2025 Monitored since: April 21, 2025
/-76.1687392,45.0751855,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mississippi Lake: Ikwe Pt
Ontario, Canada
Waterbody Type:Unknown
Last observed: August 9, 2025 Monitored since: August 16, 2022
/-84.3206692,46.5717047,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Root River: Root River off Hwy 17 N (near Teen Challenge)
Ontario, Canada
Waterbody Type:River
Last observed: August 8, 2025 Monitored since: March 10, 2024
/-84.3063569,46.5672083,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Root River: Root River Fourth Line E
Ontario, Canada
Waterbody Type:River
Last observed: August 8, 2025 Monitored since: March 10, 2024
/-84.2936325,46.5637702,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Root River: Root River Wishart Park
Ontario, Canada
Waterbody Type:River
Last observed: August 8, 2025 Monitored since: March 1, 2024
/-84.2993188,46.5004401,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Duck pond: Bellevue Park duck pond
Ontario, Canada
Waterbody Type:Pond
Last observed: August 8, 2025 Monitored since: February 22, 2024
/-84.2812943,46.5629144,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Root River: Root River Old Garden River
Ontario, Canada
Waterbody Type:River
Last observed: August 8, 2025 Monitored since: March 1, 2024
/-60.0898492,46.1711141,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River beside CBU: South West (SW) Brook
Sydney, Nova Scotia, Canada
Waterbody Type:River
Last observed: August 8, 2025 Monitored since: September 4, 2024
/-0.2622128,51.3583594,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hogsmill: Ewell Storm Tank
Epsom, Surrey, United Kingdom
Waterbody Type:River
Last observed: August 8, 2025 Monitored since: November 21, 2024
/-0.2740788,51.370674,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)