/-88.3651916,42.2458161,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lippold Pond: Lippold Park - West Entrance
Crystal Lake, Illinois, United States
Waterbody Type:Pond
Last observed: June 1, 2025 Monitored since: November 28, 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?
8,072 locations
+141 new sample locations added in the past 30 days
Pond
Last observed: June 1, 2025 Monitored since: November 28, 2024
/-83.9658022,46.3221859,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St. Marys River - Wilson Channel: Matotee Camp
Ontario, Canada
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: July 17, 2022
/-88.3786658,42.0106179,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Creek: Fitchie Creek
Elgin, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: September 13, 2024
/-90.1457405,32.3248196,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pearl River: LeFleurs Bluff State Park
Jackson, Mississippi, United States
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: June 12, 2020
/-76.702131,44.767758,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sharbot Lake : SLMWB
Ontario, Canada
Waterbody Type:Lake
Last observed: May 31, 2025 Monitored since: May 10, 2001
/-123.4394627,48.5388921,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tod Creek: Farmington Road
Brentwood Bay, British Columbia, Canada
Waterbody Type:Stream
Last observed: May 31, 2025 Monitored since: January 22, 2023
/-88.2717776,41.751205,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Patterson: Oakhurst Forest Preserve South Shore Dock
Aurora, Illinois, United States
Waterbody Type:Lake
Last observed: May 31, 2025 Monitored since: November 25, 2023
/-88.3876276,41.8312764,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Run: Lake Run at Nelson Lake in Dick Young Forest Preserve
Batavia, Illinois, United States
Waterbody Type:Stream
Last observed: May 31, 2025 Monitored since: November 28, 2023
/-90.2323651,38.9601429,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rocky Fork Tributary: Creek at Merry Meadows
Godfrey, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: December 31, 2023
/-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
/-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
/0.0205471,51.627561,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
The Ching: Whitehall Plain
Buckhurst Hill, Waltham Forest, United Kingdom
Waterbody Type:Stream
Last observed: May 30, 2025 Monitored since: July 14, 2024
/-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
/-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