/-79.8719791,43.2699786,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hamilton Harbour: Bayfront Park Shoreline
Hamilton, Ontario, Canada
Waterbody Type:Lake
Last observed: May 12, 2025 Monitored since: July 10, 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?
8,226 locations
+33 new sample locations added in the past 30 days
Lake
Last observed: May 12, 2025 Monitored since: July 10, 2023
/-79.8722363,43.2692982,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hamilton Harbour: Bayfront Park (Archived site)
Hamilton, Ontario, Canada
Waterbody Type:Lake
Last observed: May 12, 2025 Monitored since: July 21, 2020
/-100.0187588,54.8726924,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Snow Lake: Snow Lake South Side of Sunset Beach (Mushroom)
Manitoba, Canada
Waterbody Type:Lake
Last observed: May 12, 2025 Monitored since: October 8, 2024
/-100.0186085,54.8734584,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Snow Lake: Snow Lake Sunset Beach End of Dock
Manitoba, Canada
Waterbody Type:Lake
Last observed: May 12, 2025 Monitored since: October 8, 2024
/-100.0180292,54.8741226,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Snow Lake: Snow Lake North Side Sunset Beach (Lake View Trail)
Manitoba, Canada
Waterbody Type:Lake
Last observed: May 12, 2025 Monitored since: October 8, 2024
/-100.0178146,54.8734867,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Snow Lake: Snow Lake (Beneath Dock Near Sunset Beach)
Manitoba, Canada
Waterbody Type:Lake
Last observed: May 12, 2025 Monitored since: October 8, 2024
/-88.0507177,41.8903346,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East branch DuPage River: East DuPage river at St. Charles
Glen Ellyn, Illinois, United States
Waterbody Type:River
Last observed: May 12, 2025 Monitored since: November 15, 2023
/-65.8045078,45.4623838,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hammond River: Brawley Brook
Smithtown, New Brunswick, Canada
Waterbody Type:Stream
Last observed: May 12, 2025 Monitored since: May 12, 2025
/-65.8777186,45.4232125,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hammond River: Jenny Langstroth Brook
Quispamsis, New Brunswick, Canada
Waterbody Type:Stream
Last observed: May 12, 2025 Monitored since: May 12, 2025
/-65.8810186,45.4223977,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hammond River: Bradley Brook
Quispamsis, New Brunswick, Canada
Waterbody Type:Stream
Last observed: May 12, 2025 Monitored since: May 12, 2025
/-65.9169959,45.4392881,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hammond River: Palmer Brook
Quispamsis, New Brunswick, Canada
Waterbody Type:Stream
Last observed: May 12, 2025 Monitored since: May 12, 2025
/-84.0738201,46.5932333,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Garden River: Murphy's Rapids
Garden River, Ontario, Canada
Waterbody Type:River
Last observed: May 12, 2025 Monitored since: May 12, 2025
/-88.0238342,41.8934766,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Terrace View Park Pond: Terrace View Park Pond in Lombard, IL
Lombard, Illinois, United States
Waterbody Type:Pond
Last observed: May 11, 2025 Monitored since: November 18, 2023
/-88.1645966,41.543694,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rock Run Creek: Rock Run Creek
Joliet, Illinois, United States
Waterbody Type:Stream
Last observed: May 11, 2025 Monitored since: November 12, 2023
/-89.2769362,40.7029512,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Walnut Creek: Eureka Lake
Eureka, Illinois, United States
Waterbody Type:Creek
Last observed: May 11, 2025 Monitored since: November 17, 2024
/-88.5293341,41.8247288,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welch Creek: South of Kaneville
Elburn, Illinois, United States
Waterbody Type:Creek
Last observed: May 11, 2025 Monitored since: December 3, 2023
/0.0750589,51.4645549,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Oxleas Meadow Site 1 : Oxleas Meadow
London, Greenwich, United Kingdom
Waterbody Type:Creek
Last observed: May 11, 2025 Monitored since: April 25, 2024
/0.078482,51.4637769,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Wickham: Oxleas wood, site 3
London, Greenwich, United Kingdom
Waterbody Type:River
Last observed: May 11, 2025 Monitored since: February 28, 2025
/-88.1416224,41.7124122,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Dupage River: Knoch Knolls
Naperville, Illinois, United States
Waterbody Type:River
Last observed: May 10, 2025 Monitored since: December 20, 2023
/-115.5704937,51.1735052,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bow River: Bow River Pedestrian Bridge
Banff, Alberta, Canada
Waterbody Type:River
Last observed: May 10, 2025 Monitored since: May 8, 2025
/-88.3511067,41.9300439,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ferson Creek: Ferson Creek at LeRoy Oakes FP Bridge
Saint Charles, Illinois, United States
Waterbody Type:Creek
Last observed: May 10, 2025 Monitored since: November 8, 2023