/-81.274024,44.618711,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac Huron: Sauble Beach
Sauble Beach, Ontario, Canada
Waterbody Type:Lake
Last observed: June 30, 2025 Monitored since: June 30, 2025
Locations
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8,239 locations
+0 new sample locations added in the past 30 days
Lake
Last observed: June 30, 2025 Monitored since: June 30, 2025
/-79.0714359,43.0667872,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Niagara River: Dufferin Islands Nature Area
Ontario, Canada
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: December 30, 2024
/-103.6367614,50.6734001,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Katepwa Lake Saskatchewan: Katepwa Lake Saskatchewan
Saskatchewan, Canada
Waterbody Type:Lake
Last observed: June 30, 2025 Monitored since: June 30, 2025
/-79.4992,43.6580001,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Humber River: Humber River at Magwood Sanctuary
Etobicoke, Ontario, Canada
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: April 25, 2021
/-79.0942597,43.2606813,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Ontario: Ryerson Park
Niagara On The Lake, Ontario, Canada
Waterbody Type:Lake
Last observed: June 30, 2025 Monitored since: May 27, 2025
/-79.1610389,43.150627,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Restored Wastewater Treatment: Niagara College Wetland
Niagara On The Lake, Ontario, Canada
Waterbody Type:Wetland
Last observed: June 30, 2025 Monitored since: May 27, 2025
/-1.7294474,52.6922783,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tame: Elford Walled Garden
Lichfield District, Staffordshire, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: December 29, 2024
/-79.203186,42.8712779,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Erie: Lorraine Bay East
Ontario, Canada
Waterbody Type:Lake
Last observed: June 30, 2025 Monitored since: September 1, 2020
/-1.4805579,53.7757259,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
/-1.4859225,53.7948589,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wyke Beck: Halton Moor Cartmell Drive
Leeds, England, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: May 28, 2025
/-1.4870167,53.809702,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wyke Beck: Killingbeck Fields, Weir
Leeds, England, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: May 28, 2025
/-1.4808583,53.8156148,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wyke Beck: Wyke Beck Fearnville Playing Fields
Leeds, England, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: May 28, 2025
/-1.48103,53.8129163,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wyke Beck: Wyke Beck Arthur's Rein South Parkway
Leeds, England, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: May 28, 2025
/-0.4786134,51.1212767,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cobblers Brook: Cobblers Brook at Vachery
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: June 30, 2025 Monitored since: November 27, 2023
/-0.4778194,51.1223542,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Thornhurst Brook: Thornhurst Brook at Vachery
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: June 30, 2025 Monitored since: November 27, 2023
/-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
/-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
/-75.6714034,45.432998,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rideau River : Rideau River under Cummings Bridge
Ottawa, Ontario, Canada
Waterbody Type:River
Last observed: June 29, 2025 Monitored since: September 29, 2024
/-79.3375111,42.9747624,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland River: Welland River, River Rd, EC Brown Conservation Area
Ontario, Canada
Waterbody Type:River
Last observed: June 29, 2025 Monitored since: December 29, 2024
/-79.2427754,42.9980248,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland River, River Rd Parkette: Welland River, River Rd Parkette
Welland, Ontario, Canada
Waterbody Type:River
Last observed: June 29, 2025 Monitored since: December 29, 2024