/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
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?
8,239 locations
+0 new sample locations added in the past 30 days
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
/-60.6489944,45.9189493,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bras d'Or Lake: Castle Bay Beach
Castle Bay, Nova Scotia, Canada
Waterbody Type:Estuary
Last observed: July 3, 2025 Monitored since: May 29, 2025
/-77.1610379,43.8523242,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Ontario at Soup Harbour: Point Petre Provincial Wildlife Area
Ontario, Canada
Waterbody Type:Lake
Last observed: July 3, 2025 Monitored since: May 16, 2023
/-81.5521788,43.7351351,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Maitland River: Blyth Brook
Goderich, Ontario, Canada
Waterbody Type:River
Last observed: July 3, 2025 Monitored since: July 3, 2025
/-0.0298425,51.5709771,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Dagenham Brook : Dagenham Brook Bridge Rd D/S
London, Waltham Forest, United Kingdom
Waterbody Type:Stream
Last observed: July 3, 2025 Monitored since: April 29, 2025
/-0.5087632,51.4252716,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Thames: Thames backwater
Staines Upon Thames, England, United Kingdom
Waterbody Type:Unknown
Last observed: July 3, 2025 Monitored since: May 5, 2025
/-122.8862127,49.1284348,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cougar Creek: Cougar Creek 5
Surrey, British Columbia, Canada
Waterbody Type:Creek
Last observed: July 3, 2025 Monitored since: July 3, 2025
/-77.2211194,43.8987273,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Outlet River: Outlet River at Bridge on County Rd 18
Ontario, Canada
Waterbody Type:River
Last observed: July 2, 2025 Monitored since: June 18, 2019
/-77.1555877,43.9377398,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tributary entering SE End of East Lake: Cherry Valley Lions Memorial Park Boat Launch Dock
Cherry Valley, Ontario, Canada
Waterbody Type:Creek
Last observed: July 2, 2025 Monitored since: April 28, 2017
/-75.6557608,45.8280816,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac du Brochet: BR1
Quebec, Canada
Waterbody Type:Lake
Last observed: July 2, 2025 Monitored since: June 4, 2024
/-76.1859,44.721,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: Klautz Pt
Portland, Ontario, Canada
Waterbody Type:Lake
Last observed: July 2, 2025 Monitored since: June 17, 2018
/-76.1772674,44.7195563,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau Lake: Little Lake - 2
Portland, Ontario, Canada
Waterbody Type:Lake
Last observed: July 2, 2025 Monitored since: July 8, 2019
/-74.7772158,45.0085305,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St. Lawrence River: OPG Bay
Cornwall, Ontario, Canada
Waterbody Type:Bay
Last observed: July 1, 2025 Monitored since: July 1, 2025
/-76.2038294,44.773214,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rideau: Granary Cottage
Portland, Ontario, Canada
Waterbody Type:Lake
Last observed: July 1, 2025 Monitored since: May 24, 2025
/-90.1384019,32.3815199,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
White Oak Creek: White Oak Creek
Jackson, Mississippi, United States
Waterbody Type:Creek
Last observed: July 1, 2025 Monitored since: May 23, 2024
/-0.8044671,51.1639443,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Downstream of Frensham Mill
Frensham, Surrey, United Kingdom
Waterbody Type:River
Last observed: July 1, 2025 Monitored since: July 11, 2022
/-0.8318064,51.1402198,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Smithy Lane
Dockenfield, Hampshire, United Kingdom
Waterbody Type:River
Last observed: July 1, 2025 Monitored since: March 9, 2022
/-79.0686679,43.2577839,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Niagara River: Queen's Royal Park Beach
Ontario, Canada
Waterbody Type:River
Last observed: July 1, 2025 Monitored since: July 1, 2025
/-80.0658917,43.0929417,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Grand River: Private dock near Tuscarora Road and 6th Line
Ohsweken, Ontario, Canada
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: June 30, 2025