/-79.6037106,43.7262603,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Humber River: Downstream of the bridge
Etobicoke, Ontario, Canada
Waterbody Type:River
Last observed: April 2, 2025 Monitored since: August 29, 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?
7,912 locations
+52 new sample locations added in the past 30 days
River
Last observed: April 2, 2025 Monitored since: August 29, 2024
/-0.2763533,51.3986166,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hogsmill: Saipem S4 - Berrylands playground
London, Kingston upon Thames, United Kingdom
Waterbody Type:River
Last observed: April 2, 2025 Monitored since: April 2, 2025
/-0.5586393,51.3219145,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Basingstoke Canal: Chobham Road underpass
Woking, Surrey, United Kingdom
Waterbody Type:Canal
Last observed: April 2, 2025 Monitored since: August 3, 2023
/-0.2793893,51.3946718,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hogsmill: Saipem S5 - Tolworth Brook
London, Kingston upon Thames, United Kingdom
Waterbody Type:River
Last observed: April 2, 2025 Monitored since: April 2, 2025
/-90.0271654,38.5483945,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Schoenberger Creek: Schoenberger Creek at West Belleville Bikeway
Belleville, Illinois, United States
Waterbody Type:Creek
Last observed: April 1, 2025 Monitored since: October 23, 2023
/-90.1015806,38.4850179,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Prairie DuPont Tributary: Prairie DuPont Creek @ Zingg Bridge
Millstadt, Illinois, United States
Waterbody Type:Creek
Last observed: April 1, 2025 Monitored since: November 7, 2022
/-90.1331895,38.4863773,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hickman's Creek : Hickman's Creek @ Zingg & Seager Rd.
Millstadt, Illinois, United States
Waterbody Type:Creek
Last observed: April 1, 2025 Monitored since: November 2, 2024
/-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: April 1, 2025 Monitored since: March 19, 2023
/-0.4786134,51.1212767,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cobblers Brook: Cobblers Brook at Vachery
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: April 1, 2025 Monitored since: November 27, 2023
/-0.5755696,51.233191,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Island Training location, Riverside
Guildford, Surrey, United Kingdom
Waterbody Type:Unknown
Last observed: April 1, 2025 Monitored since: May 10, 2022
/-0.575398,51.2332649,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Wey Navigation
Guildford, Surrey, United Kingdom
Waterbody Type:River
Last observed: April 1, 2025 Monitored since: May 10, 2022
/-0.2981605,51.4052028,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
/-1.5716454,52.2829467,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
/-0.2980042,51.4051626,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hogsmill: Saipem S2- Middle Mill
London, Kingston upon Thames, United Kingdom
Waterbody Type:River
Last observed: April 1, 2025 Monitored since: April 1, 2025
/-79.0940733,42.8611992,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Point Abino Marsh: Point Abino Marsh
Ontario, Canada
Waterbody Type:Wetland
Last observed: March 31, 2025 Monitored since: December 30, 2024
/-87.8785638,42.0633214,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Oakton : Oakton College
Des Plaines, Illinois, United States
Waterbody Type:Pond
Last observed: March 31, 2025 Monitored since: January 29, 2025
/-89.6251559,40.7682243,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Hollow Creek: Big Hollow Creek in Iris Park
Peoria, Illinois, United States
Waterbody Type:Creek
Last observed: March 31, 2025 Monitored since: December 23, 2023
/-79.0936661,42.8549679,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Erie, Poverty Bay: Poverty Bay, Lake Erie
Crystal Beach, Ontario, Canada
Waterbody Type:Bay
Last observed: March 31, 2025 Monitored since: December 30, 2024
/-79.2415,43.0069999,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland Canal: Welland Recreational Canal - Boat house
Welland, Ontario, Canada
Waterbody Type:Canal
Last observed: March 31, 2025 Monitored since: January 14, 2021
/-0.5641619,51.3449039,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Bourne: Fairoaks Airport
Woking, Surrey, United Kingdom
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: March 31, 2025
/-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: March 31, 2025 Monitored since: December 3, 2023