/0.093255,51.5008819,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Longmarsh Lane : Longmarsh Lane
London, Greenwich, United Kingdom
Waterbody Type:Canal
Last observed: May 23, 2025 Monitored since: April 25, 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?
8,081 locations
+129 new sample locations added in the past 30 days
Canal
Last observed: May 23, 2025 Monitored since: April 25, 2024
/-0.5787349,51.2016267,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wey Natural River: Outflow from GSTW into Wey Natural River: Trunley Heath Road
Godalming, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: July 29, 2023
/-0.577455,51.2028911,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Unstead Wetland Reserve: Outlet into Pond Wood
Guildford Borough, Surrey, United Kingdom
Waterbody Type:Pond
Last observed: May 23, 2025 Monitored since: October 27, 2023
/-0.5784559,51.2017746,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Unstead Wetland Nature Reserve: Small pool on UWNR near to GSTW outflow, east side of Trunley Health Road
Godalming, Surrey, United Kingdom
Waterbody Type:Unknown
Last observed: May 23, 2025 Monitored since: February 21, 2025
/-0.5806231,51.2001746,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Natural Wey River (Unstead): Natural Wey River at Unstead close to bridge (Northside)
Godalming, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: August 25, 2023
/-0.4993047,51.3071363,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Newark Lock downstream
Ripley, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: September 25, 2022
/-0.511466,51.3057881,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Newark Lock upstream
Send, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: September 25, 2022
/-88.1250286,41.9246571,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mitchell Lake : Mitchell Lake
Carol Stream, Illinois, United States
Waterbody Type:Unknown
Last observed: May 23, 2025 Monitored since: November 21, 2024
/-0.6300579,51.1921623,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Peperharrow swimming spot, by fish bypass
Godalming, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: May 28, 2022
/-88.2938135,42.063219,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tyler Creek: Tyler Creek Forest Preserve
Elgin, Illinois, United States
Waterbody Type:Creek
Last observed: May 23, 2025 Monitored since: October 24, 2023
/-87.9994369,41.8632279,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Old Grove Pond: Joe LeCroy
Lombard, Illinois, United States
Waterbody Type:Pond
Last observed: May 22, 2025 Monitored since: November 27, 2024
/-122.7181611,50.3209776,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Qwalimak- Birkenhead River: Qwalimak- Birkenhead River
Mount Currie, British Columbia, Canada
Waterbody Type:River
Last observed: May 22, 2025 Monitored since: May 22, 2025
/-122.720672,50.3275037,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Qwalimak- Birkenhead River: Qwalimak
Mount Currie, British Columbia, Canada
Waterbody Type:River
Last observed: May 22, 2025 Monitored since: May 22, 2025
/-88.3003755,41.9696244,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fox River: Jon Duerr Forest Preserve Fox River
South Elgin, Illinois, United States
Waterbody Type:River
Last observed: May 22, 2025 Monitored since: November 11, 2023
/-60.9082916,46.0771009,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bras d'Or Lake: Middle River Entry to the Bras d'Or Lake
Baddeck, Nova Scotia, Canada
Waterbody Type:Estuary
Last observed: May 22, 2025 Monitored since: October 22, 2024
/-88.5400629,42.2485132,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kishwaukee River: South Branch Kish
Union, Illinois, United States
Waterbody Type:River
Last observed: May 22, 2025 Monitored since: November 29, 2024
/-88.1617212,41.7859548,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cress Creek: Cress Creek
Naperville, Illinois, United States
Waterbody Type:Creek
Last observed: May 22, 2025 Monitored since: November 11, 2023
/-88.1476021,41.7658341,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Branch DuPage River : West Branch DuPage River at Hillside
Naperville, Illinois, United States
Waterbody Type:River
Last observed: May 22, 2025 Monitored since: November 11, 2023
/-88.1367161,41.7984491,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Unnamed Creek : Arrowhead Park
Naperville, Illinois, United States
Waterbody Type:Creek
Last observed: May 22, 2025 Monitored since: November 13, 2024
/-88.1839728,41.8293935,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Spring Brook Creek: Harry J. Wolf
Warrenville, Illinois, United States
Waterbody Type:Creek
Last observed: May 22, 2025 Monitored since: November 12, 2024
/-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