/-0.1289779,51.6176463,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pymmes Brook : Arnos Park Growing Space (downstream)
London, Enfield, United Kingdom
Waterbody Type:River
Last observed: May 22, 2025 Monitored since: March 22, 2025
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?
8,081 locations
+129 new sample locations added in the past 30 days
River
Last observed: May 22, 2025 Monitored since: March 22, 2025
/-0.1291108,51.6176968,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pymmes Brook : Arnos Park Growing Space (upstream)
London, Enfield, United Kingdom
Waterbody Type:River
Last observed: May 22, 2025 Monitored since: April 22, 2025
/-0.1363795,51.622216,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pymmes Brook: Waterfall Walk 1 (Upstream)
London, Barnet, United Kingdom
Waterbody Type:Stream
Last observed: May 22, 2025 Monitored since: May 1, 2023
/-0.2973819,51.405093,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hogsmill: Middle Mill
London, Kingston upon Thames, United Kingdom
Waterbody Type:River
Last observed: May 22, 2025 Monitored since: June 21, 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: May 22, 2025 Monitored since: April 2, 2025
/-83.8805588,46.3158914,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Huron: Archibald Dock
Ontario, Canada
Waterbody Type:Lake
Last observed: May 22, 2025 Monitored since: May 30, 2022
/-88.1790805,41.9768482,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Winding Creek: Winding Creek
Bartlett, Illinois, United States
Waterbody Type:Creek
Last observed: May 21, 2025 Monitored since: December 10, 2023
/-122.6051903,50.3059157,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Qwalimak-Birkenhead River : Birkenhead River Confluence
Pemberton, British Columbia, Canada
Waterbody Type:River
Last observed: May 21, 2025 Monitored since: May 21, 2025
/-88.3486176,40.2796194,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wildcat Slough: Sangamon River Forest Preserve
Mahomet, Illinois, United States
Waterbody Type:Stream
Last observed: May 21, 2025 Monitored since: November 6, 2022
/-87.9554272,41.8135066,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Charles at Beach Inlet: Lake Charles at Beach Inlet
Westmont, Illinois, United States
Waterbody Type:Pond
Last observed: May 21, 2025 Monitored since: November 30, 2024
/-88.3510423,40.2790511,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sangamon River: Sangamon River Forest Preserve site
Fisher, Illinois, United States
Waterbody Type:River
Last observed: May 21, 2025 Monitored since: November 7, 2021
/-88.3674145,42.2900563,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lower Trout pond : Trout Pond Outlet
Woodstock, Illinois, United States
Waterbody Type:Unknown
Last observed: May 21, 2025 Monitored since: November 26, 2024
/-88.3683801,42.2899577,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Powers Creek Headwaters: Powers Creek
Woodstock, Illinois, United States
Waterbody Type:Creek
Last observed: May 21, 2025 Monitored since: November 26, 2024
/-122.5257969,50.2669805,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lillooet Lake: Strawberry Point
Pemberton, British Columbia, Canada
Waterbody Type:Lake
Last observed: May 21, 2025 Monitored since: May 21, 2025
/-88.1630501,41.8693445,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West branch of DuPage river: West branch of DuPage river at Beecher Rd, Winfield
Winfield, Illinois, United States
Waterbody Type:River
Last observed: May 21, 2025 Monitored since: November 15, 2023
/-88.3871126,40.2040143,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sangamon River: Lake of the Woods Forest Preserve
Mahomet, Illinois, United States
Waterbody Type:River
Last observed: May 20, 2025 Monitored since: November 7, 2021
/-122.9724169,50.1271265,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River of Golden Dreams: bottom of Lorimer Road
Whistler, British Columbia, Canada
Waterbody Type:Creek
Last observed: May 20, 2025 Monitored since: April 28, 2023
/-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: May 20, 2025 Monitored since: January 14, 2021
/-79.2132921,43.0391699,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland Canal: Welland Canal at Port Robinson Ferry
Port Robinson, Ontario, Canada
Waterbody Type:Canal
Last observed: May 20, 2025 Monitored since: December 30, 2024
/-75.7477174,45.6494385,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac Girard: Lac Girard exit point
Val Des Monts, Quebec, Canada
Waterbody Type:Lake
Last observed: May 20, 2025 Monitored since: May 20, 2025
/-79.3683908,42.9494503,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Forks Creek: Big Forks Creek at Gents Road
Ontario, Canada
Waterbody Type:Creek
Last observed: May 20, 2025 Monitored since: January 26, 2025