/-87.6436686,41.6289645,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Little Calumet River: Little Calumet River - Boat Launch at FPDCC Kickapoo Woods
Harvey, Illinois, United States
Waterbody Type:River
Last observed: November 26, 2024 Monitored since: November 26, 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?
7,609 locations
+155 new sample locations added in the past 30 days
River
Last observed: November 26, 2024 Monitored since: November 26, 2024
/-88.3683801,42.2899577,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Powers Creek Headwaters: Powers Creek
Woodstock, Illinois, United States
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: November 26, 2024
/-88.1461525,41.8278132,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Herrick Lake: Herrick Lake
Naperville, Illinois, United States
Waterbody Type:Lake
Last observed: November 26, 2024 Monitored since: November 8, 2023
/-88.3674145,42.2900563,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lower Trout pond : Trout Pond Outlet
Woodstock, Illinois, United States
Waterbody Type:Unknown
Last observed: November 26, 2024 Monitored since: November 26, 2024
/-79.2827725,43.1088787,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Twelve Mile Creek: Short Hills Provincial Park - Black Walnut Trail bridge
St. Catharines, Ontario, Canada
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: October 29, 2024
/-88.1725618,41.821449,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River: West Branch DuPage River
Warrenville, Illinois, United States
Waterbody Type:River
Last observed: November 26, 2024 Monitored since: November 8, 2023
/-79.2640185,43.1619684,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Twelve Mile Creek: Merritt Trail Access at Welland Vale Road
St. Catharines, Ontario, Canada
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: October 29, 2024
/-88.1748361,41.8337288,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Silver Lake: Blackwell Forest Preserve Silver Lake
Warrenville, Illinois, United States
Waterbody Type:Lake
Last observed: November 26, 2024 Monitored since: November 8, 2023
/-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: November 26, 2024 Monitored since: October 24, 2023
/-79.2753267,43.190112,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Martindale Pond: Henley Island Canoe Launch
St. Catharines, Ontario, Canada
Waterbody Type:Pond
Last observed: November 26, 2024 Monitored since: October 29, 2024
/-79.3744826,43.1519465,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Twenty Mile Creek: Twenty Mile Creek at Twenty-First Street
Jordan, Ontario, Canada
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: October 29, 2024
/-79.0738392,42.9435751,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Black Creek: Stevensville Conservation Area
Ontario, Canada
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: November 26, 2024
/-79.3771434,43.1843448,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Jordan Harbour: Jordan Harbour Conservation Area
Jordan Station, Ontario, Canada
Waterbody Type:Pond
Last observed: November 26, 2024 Monitored since: October 29, 2024
/-79.3714142,43.184864,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Ontario: Grande Hermine Ship Beach
Jordan Station, Ontario, Canada
Waterbody Type:Lake
Last observed: November 26, 2024 Monitored since: October 29, 2024
/-79.0350008,42.9558572,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Black Creek: Black Creek bridge at College Road (Upstream)
Ontario, Canada
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: October 29, 2024
/-88.0146271,41.9706943,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Springbrook Creek: Springbrook Creek @ S Maple Ave, Itasca
Itasca, Illinois, United States
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: December 19, 2023
/-79.02174,42.9635047,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Black Creek: Black Creek footbridge from Shagbark Lane (Downstream)
Ontario, Canada
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: October 29, 2024
/-88.0707941,41.9588144,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Springbrook Creek: Springbrook Creek @ N Circle Ave, Bloomingdale
Bloomingdale, Illinois, United States
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: December 19, 2023
/-88.1244922,41.9288686,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Klein Creek: Klein Creek at Fountain View Recreation Center
Carol Stream, Illinois, United States
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: December 19, 2023
/-78.9279699,42.9428682,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Frenchman's Creek: Frenchman's Creek Footbridge along Niagara Parkway
Ontario, Canada
Waterbody Type:Creek
Last observed: November 26, 2024 Monitored since: October 29, 2024
/-88.1697523,42.0197923,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Branch Poplar Creek: East Branch Poplar Creek
Streamwood, Illinois, United States
Waterbody Type:Unknown
Last observed: November 26, 2024 Monitored since: December 20, 2023