/-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
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
+7 new sample locations added in the past 30 days
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
/-88.3486176,40.2796194,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wildcat Slough: Sangamon River Forest Preserve
Mahomet, Illinois, United States
Waterbody Type:Stream
Last observed: May 21, 2025 Monitored since: November 6, 2022
/-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
/-88.3510423,40.2790511,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sangamon River: Sangamon River Forest Preserve site
Fisher, Illinois, United States
Waterbody Type:River
Last observed: May 21, 2025 Monitored since: November 7, 2021
/-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
/-88.3871126,40.2040143,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sangamon River: Lake of the Woods Forest Preserve
Mahomet, Illinois, United States
Waterbody Type:River
Last observed: May 20, 2025 Monitored since: November 7, 2021
/-122.9724169,50.1271265,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River of Golden Dreams: bottom of Lorimer Road
Whistler, British Columbia, Canada
Waterbody Type:Creek
Last observed: May 20, 2025 Monitored since: April 28, 2023
/-84.1578054,46.5431888,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Garden River: This is Indian Land Bridge
Ontario, Canada
Waterbody Type:River
Last observed: May 20, 2025 Monitored since: May 31, 2024
/-75.7477174,45.6494385,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac Girard: Lac Girard exit point
Val Des Monts, Quebec, Canada
Waterbody Type:Lake
Last observed: May 20, 2025 Monitored since: May 20, 2025
/-84.044981,46.5090381,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Echo River: Echo River Bridge
Ontario, Canada
Waterbody Type:River
Last observed: May 20, 2025 Monitored since: May 31, 2024