/-88.197062,41.938536,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Trinity South Pond: Trinity South Pond - Smythe Settlement
West Chicago, Illinois, United States
Waterbody Type:Pond
Last observed: May 10, 2025 Monitored since: November 29, 2023
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?
8,226 locations
+33 new sample locations added in the past 30 days
Pond
Last observed: May 10, 2025 Monitored since: November 29, 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: May 10, 2025 Monitored since: November 7, 2022
/-88.1991648,41.9435797,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Army Trail West Pond: Army Trail West Pond - Smythe Settlement
West Chicago, Illinois, United States
Waterbody Type:Pond
Last observed: May 10, 2025 Monitored since: November 29, 2023
/-88.2019329,41.9384881,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Turnmill Pond: Turnmill Pond - Smythe Settlement
West Chicago, Illinois, United States
Waterbody Type:Pond
Last observed: May 10, 2025 Monitored since: November 29, 2023
/-80.4119921,43.4222309,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Grand River: Schneider Park Water Site
Kitchener, Ontario, Canada
Waterbody Type:River
Last observed: May 10, 2025 Monitored since: August 25, 2024
/-67.2248697,46.5492248,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Miramichi River: Juniper Bridge
New Brunswick, Canada
Waterbody Type:River
Last observed: May 10, 2025 Monitored since: May 4, 2019
/-0.0354266,51.5613272,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Old Lea: Top of Berms
London, Waltham Forest, United Kingdom
Waterbody Type:River
Last observed: May 10, 2025 Monitored since: August 10, 2024
/-0.0347614,51.5609845,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Old Lea: Bottom of Berms
London, Waltham Forest, United Kingdom
Waterbody Type:River
Last observed: May 10, 2025 Monitored since: August 10, 2024
/-67.376233,46.4214848,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hamilton Brook: South Knowlesville, New Brunswick
New Brunswick, Canada
Waterbody Type:Stream
Last observed: May 9, 2025 Monitored since: October 21, 2017
/-67.3812318,46.4196062,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Un-named creek: Unknown creek flowing into Hamilton Brook
New Brunswick, Canada
Waterbody Type:Creek
Last observed: May 9, 2025 Monitored since: April 29, 2019
/-74.7337608,45.0111657,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St. Lawrence River: Rotary Creek
Ontario, Canada
Waterbody Type:River
Last observed: May 9, 2025 Monitored since: July 8, 2019
/-67.4157786,46.4348993,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Coldstream at Gilmore Rd and #580 corner: Coldstream near Hamilton Brook Junction
New Brunswick, Canada
Waterbody Type:Stream
Last observed: May 9, 2025 Monitored since: May 10, 2022
/-88.2925743,42.1666845,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Crystal Creek: Main Street
Algonquin, Illinois, United States
Waterbody Type:Creek
Last observed: May 8, 2025 Monitored since: November 25, 2024
/-88.2902969,42.1662603,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
/-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: May 7, 2025 Monitored since: August 29, 2024
/-88.4106946,41.9323906,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Creek: Mill Creek at Campton FP
Saint Charles, Illinois, United States
Waterbody Type:Creek
Last observed: May 7, 2025 Monitored since: December 27, 2023
/-87.6885581,41.9872104,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Ridge Nature Park Pond: West Ridge Nature Park Pond
Chicago, Illinois, United States
Waterbody Type:Pond
Last observed: May 7, 2025 Monitored since: November 15, 2024
/-88.0692172,41.8182121,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Branch DuPage River : East Branch DuPage River at Morton Arb
Downers Grove, Illinois, United States
Waterbody Type:River
Last observed: May 7, 2025 Monitored since: November 1, 2023
/-88.0374169,41.8183729,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lacey Creek: Lacey Creek at Morton Arboretum
Downers Grove, Illinois, United States
Waterbody Type:Creek
Last observed: May 7, 2025 Monitored since: November 20, 2023
/-84.0786695,48.2545043,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Murray Lake (North East): Murray Lake
Ontario, Canada
Waterbody Type:Lake
Last observed: May 6, 2025 Monitored since: May 6, 2025
/-1.6309333,51.3572308,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Suddene stream, below sewage treatment: Tom & Deborah Beese
Kennet District, Wiltshire, United Kingdom
Waterbody Type:Unknown
Last observed: May 6, 2025 Monitored since: June 1, 2024