/-0.6046665,51.1874374,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Godalming Wharf - River bend by Sainsbury's
Godalming, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 30, 2025 Monitored since: July 29, 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?
8,080 locations
+131 new sample locations added in the past 30 days
River
Last observed: May 30, 2025 Monitored since: July 29, 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: May 30, 2025 Monitored since: June 28, 2023
/-88.7167454,42.0883946,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kishwaukee River South Branch: Kishwaukee River South Branch at Russell Woods
Genoa, Illinois, United States
Waterbody Type:River
Last observed: May 30, 2025 Monitored since: December 15, 2024
/-123.3697044,48.4633659,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Blenkinsop Creek: Above Swan Lake
Esquimalt, British Columbia, Canada
Waterbody Type:Unknown
Last observed: May 29, 2025 Monitored since: November 9, 2013
/-123.3731273,48.464345,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Swan Lake
Esquimalt, British Columbia, Canada
Waterbody Type:Unknown
Last observed: May 29, 2025 Monitored since: November 9, 2013
/-88.1318951,41.7202538,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River (west branch): West Branch of the DuPage River
Naperville, Illinois, United States
Waterbody Type:River
Last observed: May 29, 2025 Monitored since: November 20, 2024
/-123.38229,48.46366,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Allotment Gardens
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: May 29, 2025 Monitored since: August 7, 2013
/-123.390401,48.4660951,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Swan Creek: Carey Road and McKenzie Ave
Esquimalt, British Columbia, Canada
Waterbody Type:Unknown
Last observed: May 29, 2025 Monitored since: November 9, 2013
/-123.39367,48.46512,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Columbine Culvert Downstream
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: May 29, 2025 Monitored since: November 12, 2014
/-88.1244922,41.9288686,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Klein Creek: Klein Creek at Fountain View Recreation Center
Carol Stream, Illinois, United States
Waterbody Type:Creek
Last observed: May 29, 2025 Monitored since: December 19, 2023
/-123.39551,48.46672,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: McKenzie Underpass Forest/Columbine Riffle
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: May 29, 2025 Monitored since: August 7, 2013
/-88.0146271,41.9706943,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Springbrook Creek: Springbrook Creek @ S Maple Ave, Itasca
Itasca, Illinois, United States
Waterbody Type:Creek
Last observed: May 29, 2025 Monitored since: December 19, 2023
/-88.0707941,41.9588144,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Springbrook Creek: Springbrook Creek @ N Circle Ave, Bloomingdale
Bloomingdale, Illinois, United States
Waterbody Type:Creek
Last observed: May 29, 2025 Monitored since: December 19, 2023
/-123.3975099,48.4674883,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Bob's Bridge
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: May 29, 2025 Monitored since: November 22, 2020
/-78.3850112,45.0207625,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Loon Lake: Loon Lake West Shore
Ontario, Canada
Waterbody Type:Lake
Last observed: May 29, 2025 Monitored since: June 17, 2023
/-123.40018,48.46701,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Art's Riffle
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: May 29, 2025 Monitored since: November 9, 2013
/-0.0248154,51.4856211,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Thames: Outfall at Deptford near Convoy's Wharf
London, England, United Kingdom
Waterbody Type:River
Last observed: May 29, 2025 Monitored since: May 29, 2025
/-83.9194536,46.4277664,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Diamond Lake: Boat Ramp @ Diamond Lake Park
Ontario, Canada
Waterbody Type:Lake
Last observed: May 29, 2025 Monitored since: May 29, 2023
/-83.7428784,46.3652435,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ottertail Lake: Dock @ Rydal Bank Park
Ontario, Canada
Waterbody Type:Lake
Last observed: May 29, 2025 Monitored since: May 29, 2023
/-83.7628766,46.4494933,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rock Lake: Rock Lake - Old Mill Beach Boat Ramp
Ontario, Canada
Waterbody Type:Lake
Last observed: May 29, 2025 Monitored since: May 29, 2023
/-88.1523013,41.7714484,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Branch DuPage River: West Branch DuPage River at Naperville Riverwalk
Naperville, Illinois, United States
Waterbody Type:River
Last observed: May 29, 2025 Monitored since: November 30, 2023