/-81.6992034,46.057957,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
McGregor Bay: Hiawatha
Ontario, Canada
Waterbody Type:Bay
Last observed: September 2, 2025 Monitored since: July 27, 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?
8,238 locations
+9 new sample locations added in the past 30 days
Bay
Last observed: September 2, 2025 Monitored since: July 27, 2023
/-81.5702248,46.0693779,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mcregor Bay: Steamboat Channel
Ontario, Canada
Waterbody Type:Bay
Last observed: September 2, 2025 Monitored since: August 2, 2023
/-76.5763378,44.8333826,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Silver Lake: Outlet to Silver Lake Creek at Silver Lake Provincial Park
Maberly, Ontario, Canada
Waterbody Type:Lake
Last observed: September 2, 2025 Monitored since: May 16, 2018
/-76.5790844,44.8288173,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Silver Lake: Inlet from Silver 7 Creek
Maberly, Ontario, Canada
Waterbody Type:Lake
Last observed: September 2, 2025 Monitored since: May 16, 2018
/-76.5833941,44.8323462,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Silver lake: East Transect at mid
Maberly, Ontario, Canada
Waterbody Type:Lake
Last observed: September 2, 2025 Monitored since: October 20, 2021
/-83.9520531,46.3957262,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Desbarats Lake: Desbarats Lake off boat ramp
Ontario, Canada
Waterbody Type:Unknown
Last observed: September 2, 2025 Monitored since: June 19, 2022
/-76.670784,45.627102,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ottawa River: Upstream of Portage-du-Fort
Quebec, Canada
Waterbody Type:River
Last observed: September 2, 2025 Monitored since: September 14, 2013
/-83.9232564,46.3440297,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Desbarats River: Municipal Dock
Ontario, Canada
Waterbody Type:River
Last observed: September 2, 2025 Monitored since: May 30, 2022
/-83.9725974,46.3372737,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Anderson Creek: Old Bridge
Ontario, Canada
Waterbody Type:Creek
Last observed: September 1, 2025 Monitored since: May 30, 2022
/-74.8555564,45.0195357,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Saint Lawrence River: Bergin Island
Long Sault, Ontario, Canada
Waterbody Type:River
Last observed: September 1, 2025 Monitored since: September 1, 2025
/-81.642037,46.0836694,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
McGregor Bay: Parish Docks
Whitefish Falls, Ontario, Canada
Waterbody Type:Bay
Last observed: September 1, 2025 Monitored since: May 22, 2023
/-81.6128826,46.0702136,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mcregor Bay: "California Bay"
Ontario, Canada
Waterbody Type:Bay
Last observed: September 1, 2025 Monitored since: August 2, 2023
/-81.6535925,46.0554704,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
McGregor Bay: Harrison Rock
Whitefish Falls, Ontario, Canada
Waterbody Type:Channel
Last observed: September 1, 2025 Monitored since: July 27, 2023
/-76.6054344,44.8278434,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Silver Lake: North West Transect
Maberly, Ontario, Canada
Waterbody Type:Lake
Last observed: September 1, 2025 Monitored since: August 20, 2018
/-76.6016002,44.8232001,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Silver Lake: South West Transect
Maberly, Ontario, Canada
Waterbody Type:Lake
Last observed: September 1, 2025 Monitored since: August 20, 2018
/-74.7058971,45.6296958,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ottawa River: Ottawa River off of former LaRochelle Camping
Grenville Sur La Rouge, Quebec, Canada
Waterbody Type:Unknown
Last observed: September 1, 2025 Monitored since: September 1, 2025
/-76.6093812,44.8243228,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Silver Lake Main Basin: SLMB
Maberly, Ontario, Canada
Waterbody Type:Lake
Last observed: September 1, 2025 Monitored since: May 31, 2000
/-81.6284554,46.0543193,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
McGregor Bay: Coppermine Channel
Ontario, Canada
Waterbody Type:Channel
Last observed: September 1, 2025 Monitored since: July 27, 2023
/-74.8558873,45.0191073,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Saint Lawrence River: Bergin Island Beach Area
Long Sault, Ontario, Canada
Waterbody Type:River
Last observed: September 1, 2025 Monitored since: September 1, 2025
/-0.7920885,51.1677867,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Frensham Swimming Spot
Frensham, Surrey, United Kingdom
Waterbody Type:River
Last observed: September 1, 2025 Monitored since: May 17, 2024
/-74.6436019,45.0354923,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St. Lawrence River: Glen Walter
Cornwall, Ontario, Canada
Waterbody Type:River
Last observed: September 1, 2025 Monitored since: July 11, 2025