/-76.791687,49.3779025,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Jamésie: Lac Madeleine
Quebec, Canada
Waterbody Type:Lake
Last observed: July 27, 2025 Monitored since: July 8, 2023
Locations
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8,239 locations
+0 new sample locations added in the past 30 days
Lake
Last observed: July 27, 2025 Monitored since: July 8, 2023
/-77.63478,48.46601,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac Decarifel: Decarifel
Quebec, Canada
Waterbody Type:Lake
Last observed: July 27, 2025 Monitored since: May 30, 2021
/-0.5488443,51.2663032,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey : River Wey, Upstream of Bowers Lock
Burpham, Surrey, United Kingdom
Waterbody Type:River
Last observed: July 27, 2025 Monitored since: March 19, 2023
/-76.1936992,44.6980006,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: Len's Cove Marina, Portland, on the Big Rideau
Portland, Ontario, Canada
Waterbody Type:Lake
Last observed: July 27, 2025 Monitored since: June 9, 2005
/-76.1923058,44.6992266,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake : Portland Municipal Beach
Portland, Ontario, Canada
Waterbody Type:Lake
Last observed: July 27, 2025 Monitored since: July 21, 2021
/-79.2646194,43.1100354,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Twelve Mile Creek: Upper Decew Falls
Thorold, Ontario, Canada
Waterbody Type:Creek
Last observed: July 27, 2025 Monitored since: January 2, 2025
/-76.186,44.7005001,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: Portland, Bayview Marina at Big Rideau Lake
Portland, Ontario, Canada
Waterbody Type:Lake
Last observed: July 27, 2025 Monitored since: June 9, 2005
/-76.2042189,44.7051747,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: Ironwoods Bay
Portland, Ontario, Canada
Waterbody Type:Lake
Last observed: July 27, 2025 Monitored since: June 3, 2018
/-76.473577,45.5216387,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ottawa River: Bristol - South of Flag Island
Quebec, Canada
Waterbody Type:River
Last observed: July 27, 2025 Monitored since: May 28, 2016
/-0.7702446,51.1685692,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pond outlet: Frensham Little Pond outlet
Waverley Borough, Surrey, United Kingdom
Waterbody Type:Pond
Last observed: July 27, 2025 Monitored since: October 29, 2023
/-0.7694292,51.1632663,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Inlet stream: Frensham Little Pond inlet
Hindhead, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: July 27, 2025 Monitored since: October 29, 2023
/-0.4681206,51.1526937,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cranleigh Waters: Ashen Copse
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: July 27, 2025 Monitored since: November 26, 2023
/-1.5781122,53.8357288,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Meanwood Beck: A3
Leeds, Leeds, United Kingdom
Waterbody Type:Stream
Last observed: July 27, 2025 Monitored since: October 27, 2024
/-1.5759358,53.8404283,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Meanwood Beck: A2
Leeds, Leeds, United Kingdom
Waterbody Type:Stream
Last observed: July 27, 2025 Monitored since: October 27, 2024
/-0.7762416,51.0806887,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Bridleway off to the side of Hammer House
Liphook, West Sussex, United Kingdom
Waterbody Type:River
Last observed: July 27, 2025 Monitored since: May 30, 2022
/-1.5714166,53.8424823,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Meanwood Beck: A1
Leeds, Leeds, United Kingdom
Waterbody Type:Stream
Last observed: July 27, 2025 Monitored since: October 27, 2024
/-0.763076,51.08542,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Near Prince of Wales Pub
Hampshire, United Kingdom
Waterbody Type:River
Last observed: July 27, 2025 Monitored since: March 19, 2023
/-83.7399602,46.3626705,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Thessalon River: Rydal Bank
Ontario, Canada
Waterbody Type:River
Last observed: July 27, 2025 Monitored since: June 28, 2023
/-79.2344499,43.8588129,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rouge River: Rouge River at Fairview Vista Park
Scarborough, Ontario, Canada
Waterbody Type:River
Last observed: July 27, 2025 Monitored since: October 6, 2024
/-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: July 26, 2025 Monitored since: June 29, 2020
/-74.8342627,45.0302443,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
At. Lawrence River - Lake St. Lawrence : Guindon Boat Launch Bay
Long Sault, Ontario, Canada
Waterbody Type:Bay
Last observed: July 26, 2025 Monitored since: June 22, 2025