/-0.0372548,51.561403,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lea (Old River Lea): Friends Bridge
London, Hackney, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: July 31, 2021
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?
8,158 locations
+94 new sample locations added in the past 30 days
River
Last observed: June 30, 2025 Monitored since: July 31, 2021
/-0.0296116,51.5612781,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Old Lea: Flood Relief Channel outflow
London, Waltham Forest, United Kingdom
Waterbody Type:Unknown
Last observed: June 30, 2025 Monitored since: August 10, 2024
/-122.8319335,49.2533667,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mundy Lake/Mundy Creek/Sport Fields Catchment Stream Drainage System (West Mundy Park): West Mundy Park
Coquitlam, British Columbia, Canada
Waterbody Type:Creek
Last observed: June 30, 2025 Monitored since: January 26, 2025
/-83.9658022,46.3221859,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St. Marys River - Wilson Channel: Matotee Camp
Ontario, Canada
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: July 17, 2022
/-74.9599528,46.0157373,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac Bélisle: Lac Bélisle- Centre plus profond
Lac Des Plages, Quebec, Canada
Waterbody Type:Lake
Last observed: June 30, 2025 Monitored since: June 30, 2025
/-77.3487298,48.2011815,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac: Lac Tiblemont
Senneterre, Quebec, Canada
Waterbody Type:Lake
Last observed: June 30, 2025 Monitored since: May 25, 2025
/-82.9159997,42.3373999,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake St. Clair: Windsor
Tecumseh, Ontario, Canada
Waterbody Type:Lake
Last observed: June 29, 2025 Monitored since: July 7, 2020
/-77.9123828,48.089169,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rivière Piché : Chemin des explorateurs ( petit quais à côté du pont )
Quebec, Canada
Waterbody Type:River
Last observed: June 29, 2025 Monitored since: June 28, 2021
/-79.2132921,43.0391699,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland Canal: Welland Canal at Port Robinson Ferry
Port Robinson, Ontario, Canada
Waterbody Type:Canal
Last observed: June 29, 2025 Monitored since: December 30, 2024
/-79.3714142,43.184864,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Ontario: Grande Hermine Ship Beach
Jordan Station, Ontario, Canada
Waterbody Type:Lake
Last observed: June 29, 2025 Monitored since: October 29, 2024
/-79.3744826,43.1519465,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Twenty Mile Creek: Twenty Mile Creek at Twenty-First Street
Jordan, Ontario, Canada
Waterbody Type:Creek
Last observed: June 29, 2025 Monitored since: October 29, 2024
/-81.9335246,42.2953704,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Willow creek drain s into Rondeau Bay Shrewsbury Ont Can: Willow Creek
Chatham Kent, Ontario, Canada
Waterbody Type:Creek
Last observed: June 29, 2025 Monitored since: May 28, 2023
/-77.7890281,48.1212989,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac Blouin: Lac Blouin
Val D'Or, Quebec, Canada
Waterbody Type:Lake
Last observed: June 29, 2025 Monitored since: June 15, 2020
/-77.7209439,48.1815752,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac: Lac des soeurs
Quebec, Canada
Waterbody Type:Lake
Last observed: June 29, 2025 Monitored since: June 29, 2020
/-76.1352001,44.8727275,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lower Rideau: Beveridges Locks
Perth, Ontario, Canada
Waterbody Type:Bay
Last observed: June 29, 2025 Monitored since: June 23, 2025
/-81.6993141,42.4523876,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Creek ? to right of Clearville boat ramp Lake Erie( directly behind pavillion in the centre walk straight to tree at creek): Clear Creek
Ontario, Canada
Waterbody Type:Creek
Last observed: June 29, 2025 Monitored since: May 28, 2023
/-76.1241634,44.8421695,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lower Rideau: Miller’s Bay
Lombardy, Ontario, Canada
Waterbody Type:Bay
Last observed: June 29, 2025 Monitored since: June 23, 2025
/-75.8016222,45.7383972,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac Clair: Fosse Nord CL1
Val-des-Monts, Quebec, Canada
Waterbody Type:Lake
Last observed: June 29, 2025 Monitored since: May 30, 2021
/-81.6246712,42.5054375,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Port Glascow (creek just down hill to right of marina on Grey line: 16 mile creek
Ontario, Canada
Waterbody Type:Creek
Last observed: June 29, 2025 Monitored since: May 28, 2023
/-75.7980194,45.7327778,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac Clair: Fosse Sud CL2
Val-des-Monts, Quebec, Canada
Waterbody Type:Lake
Last observed: June 29, 2025 Monitored since: May 30, 2021
/-76.1572698,44.8352835,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: Jacklin’s Bay
Lombardy, Ontario, Canada
Waterbody Type:Bay
Last observed: June 29, 2025 Monitored since: May 12, 2025