/-0.7360358,51.2451947,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Blackwater river: Blackwater by aldershot sewage works
Aldershot, England, United Kingdom
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: May 31, 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?
8,080 locations
+131 new sample locations added in the past 30 days
River
Last observed: May 31, 2025 Monitored since: May 31, 2025
/-1.7294474,52.6922783,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tame: Elford Walled Garden
Lichfield District, Staffordshire, United Kingdom
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: December 29, 2024
/-0.3204823,51.490686,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Brent: Clitheroe Island - Boston Manor Park
London, Hounslow, United Kingdom
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: October 1, 2024
/-0.3210282,51.4900147,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Brent: Duckweir - Clitheroe Island - Boston Manor Park
London, Hounslow, United Kingdom
Waterbody Type:Unknown
Last observed: May 31, 2025 Monitored since: October 1, 2024
/-0.3413701,51.50289,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Brent River: Brent_41 Union Canal Towpath
London, Ealing, United Kingdom
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: February 1, 2025
/-0.7411715,51.0852313,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Shottermill
Haslemere, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: August 1, 2022
/-88.3932065,41.7092367,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Blackberry Creek: Blackberry Creek Forest Preserve
Montgomery, Illinois, United States
Waterbody Type:Creek
Last observed: May 30, 2025 Monitored since: November 28, 2024
/-88.1409502,41.712197,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River: DuPage River at Knoch Knolls Canoe/Kayak Launch
Naperville, Illinois, United States
Waterbody Type:River
Last observed: May 30, 2025 Monitored since: December 23, 2024
/-88.5102796,41.7374717,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rock Creek: Big Rock Forest Preserve
Big Rock, Illinois, United States
Waterbody Type:Creek
Last observed: May 30, 2025 Monitored since: November 26, 2023
/-114.062655,54.5260133,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tributary to Pembina River: French Creek
Fawcett, Alberta, Canada
Waterbody Type:Creek
Last observed: May 30, 2025 Monitored since: May 30, 2025
/-80.0841093,43.9345685,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Island Lake: Island Lake Boat Launch
Orangeville, Ontario, Canada
Waterbody Type:Wetland
Last observed: May 30, 2025 Monitored since: October 3, 2023
/-84.2184019,46.5459338,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Root River: Root River Hwy 17E
Ontario, Canada
Waterbody Type:River
Last observed: May 30, 2025 Monitored since: March 1, 2024
/-60.0898492,46.1711141,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River beside CBU: South West (SW) Brook
Sydney, Nova Scotia, Canada
Waterbody Type:River
Last observed: May 30, 2025 Monitored since: September 4, 2024
/-88.0014564,41.7849941,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Creek under Fairmount Ave: Creek under Fairmount Ave, east side of bridge
Downers Grove, Illinois, United States
Waterbody Type:Creek
Last observed: May 30, 2025 Monitored since: November 19, 2024
/-88.0789161,41.7921478,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Branch DuPage River: Lisle Community Park Boat Launch near Short St on East Branch DuPage River
Lisle, Illinois, United States
Waterbody Type:River
Last observed: May 30, 2025 Monitored since: December 9, 2024
/-76.7428923,44.7553888,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sharbot Lake: SLCWB
Ontario, Canada
Waterbody Type:Lake
Last observed: May 30, 2025 Monitored since: May 27, 2017
/-75.4859662,45.5018804,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ottawa River: Petrie Island Causeway
Orléans, Ontario, Canada
Waterbody Type:River
Last observed: May 30, 2025 Monitored since: May 30, 2025
/-106.114688,57.2999575,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Holgar Lake: Channel between peninsula and island
Saskatchewan, Canada
Waterbody Type:Lake
Last observed: May 30, 2025 Monitored since: June 9, 2021
/-76.7230479,44.7678495,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sharbot Lake North West Basin: SLNWB
Ontario, Canada
Waterbody Type:Lake
Last observed: May 30, 2025 Monitored since: May 10, 2001
/-79.8142461,43.2061055,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Stream: Albion Fall
Stoney Creek, Ontario, Canada
Waterbody Type:Stream
Last observed: May 30, 2025 Monitored since: May 21, 2023
/-76.4783539,44.2364017,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cataraqui River : 6.2
Kingston, Ontario, Canada
Waterbody Type:River
Last observed: May 30, 2025 Monitored since: July 15, 2024