/-87.7067327,41.9814233,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
North Shore Channel: Legion Park-NSCP
Chicago, Illinois, United States
Waterbody Type:River
Last observed: June 1, 2025 Monitored since: December 30, 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?
8,174 locations
+101 new sample locations added in the past 30 days
River
Last observed: June 1, 2025 Monitored since: December 30, 2024
/-88.1824708,41.5381691,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River: DuPage River at Hammel Woods
Shorewood, Illinois, United States
Waterbody Type:River
Last observed: June 1, 2025 Monitored since: November 28, 2024
/-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
/-88.1401348,41.90946,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kuhn Rd Crossing of Klein Creek: Klein Creek
Carol Stream, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: November 29, 2024
/-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
/-88.3235764,41.8067653,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fox River: North Aurora Riverfront Park
North Aurora, Illinois, United States
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: December 31, 2023
/-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
/-88.3015394,42.4400226,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
North Branch Nippersink Creek: North Branch Nippersink Creek @ W Solon Rd
Richmond, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: November 30, 2024
/-88.0066681,41.526379,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hickory Creek: Hickory Creek
Joliet, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: November 11, 2021
/-88.0240703,41.5493629,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Spring Creek: Spring Creek
Joliet, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: November 11, 2021
/-88.528347,41.6478125,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rock Creek: Big Rock Creek at Emmons Woods
Plano, Illinois, United States
Waterbody Type:Stream
Last observed: May 31, 2025 Monitored since: December 31, 2024
/-0.5354487,51.3003806,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: River Wey Old Woking
Woking, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: December 29, 2024
/-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
/-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