/-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
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?
8,239 locations
+0 new sample locations added in the past 30 days
Unknown
Last observed: May 23, 2025 Monitored since: November 21, 2024
/-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
/-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
/-88.1790805,41.9768482,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Winding Creek: Winding Creek
Bartlett, Illinois, United States
Waterbody Type:Creek
Last observed: May 21, 2025 Monitored since: December 10, 2023
/-122.6051903,50.3059157,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Qwalimak-Birkenhead River : Birkenhead River Confluence
Pemberton, British Columbia, Canada
Waterbody Type:River
Last observed: May 21, 2025 Monitored since: May 21, 2025
/-87.9554272,41.8135066,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Charles at Beach Inlet: Lake Charles at Beach Inlet
Westmont, Illinois, United States
Waterbody Type:Pond
Last observed: May 21, 2025 Monitored since: November 30, 2024
/-122.5257969,50.2669805,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lillooet Lake: Strawberry Point
Pemberton, British Columbia, Canada
Waterbody Type:Lake
Last observed: May 21, 2025 Monitored since: May 21, 2025
/-88.1630501,41.8693445,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West branch of DuPage river: West branch of DuPage river at Beecher Rd, Winfield
Winfield, Illinois, United States
Waterbody Type:River
Last observed: May 21, 2025 Monitored since: November 15, 2023
/-84.0950632,46.5035087,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake George: Ojibway Park
Ontario, Canada
Waterbody Type:Lake
Last observed: May 21, 2025 Monitored since: May 31, 2024
/-84.1444588,46.5531353,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Garden River: Big Bend
Ontario, Canada
Waterbody Type:River
Last observed: May 21, 2025 Monitored since: May 31, 2024
/-84.1442227,46.554419,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Garden River: Dump Pond
Ontario, Canada
Waterbody Type:Unknown
Last observed: May 21, 2025 Monitored since: May 31, 2024
/-84.1362834,46.5677919,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Driving Creek: Driving Creek Bridge
Ontario, Canada
Waterbody Type:Creek
Last observed: May 21, 2025 Monitored since: May 31, 2024
/-84.098757,46.575078,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Garden River: Bailey Bridge
Ontario, Canada
Waterbody Type:River
Last observed: May 21, 2025 Monitored since: May 31, 2024