/-88.5293341,41.8247288,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welch Creek: South of Kaneville
Elburn, Illinois, United States
Waterbody Type:Creek
Last observed: March 31, 2025 Monitored since: December 3, 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?
7,912 locations
+52 new sample locations added in the past 30 days
Creek
Last observed: March 31, 2025 Monitored since: December 3, 2023
/-88.1657767,41.7727955,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Branch DuPage River: Jefferson Ave Bridge, Naperville, West Branch DuPage River
Naperville, Illinois, United States
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: December 1, 2024
/-79.2132921,43.0391699,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland Canal: Welland Canal at Port Robinson Ferry
Port Robinson, Ontario, Canada
Waterbody Type:Canal
Last observed: March 31, 2025 Monitored since: December 30, 2024
/-89.6894646,40.8288069,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kickapoo Creek : Kickapoo Creek at Leslie Rutherford Park
Dunlap, Illinois, United States
Waterbody Type:Creek
Last observed: March 31, 2025 Monitored since: December 4, 2024
/-87.7045226,41.9729133,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Chicago River- North Branch: River Park Canoe Launch
Chicago, Illinois, United States
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: November 18, 2024
/-79.209516,43.2056888,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland Canal: Welland Canal Trail near Linwell Road
St. Catharines, Ontario, Canada
Waterbody Type:Canal
Last observed: March 31, 2025 Monitored since: January 26, 2025
/-89.6221304,40.7051933,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Dry Run Creek: Dry Run Creek in Lower Bradley Park
Peoria, Illinois, United States
Waterbody Type:Creek
Last observed: March 31, 2025 Monitored since: December 23, 2023
/-88.0789161,41.7921478,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Branch DuPage River: Lisle Community Park Boat Launch near Short St on East Branch DuPage River
Lisle, Illinois, United States
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: December 9, 2024
/-89.6531582,40.7106053,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kickapoo Creek: Kickapoo Creek at Vicary Bottom Park
Peoria, Illinois, United States
Waterbody Type:Stream
Last observed: March 31, 2025 Monitored since: December 23, 2023
/-88.8004189,41.3682899,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fox River: Dayton Bluffs Preserve
Ottawa, Illinois, United States
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: December 7, 2024
/-79.3683908,42.9494503,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Forks Creek: Big Forks Creek at Gents Road
Ontario, Canada
Waterbody Type:Creek
Last observed: March 31, 2025 Monitored since: January 26, 2025
/-0.5640676,51.3456347,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ditch running into River Bourne: Ditch at Fairoaks Airport
Woking, Surrey, United Kingdom
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: March 31, 2025
/-79.3785395,42.9477224,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Forks Creek: Big Forks Creek at Victoria Ave
Ontario, Canada
Waterbody Type:Creek
Last observed: March 31, 2025 Monitored since: January 26, 2025
/-88.053081,41.825679,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Branch DuPage River: East Branch DuPage River at Hidden Lake Forest Preserve
Downers Grove, Illinois, United States
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: November 26, 2023
/-79.3578388,42.9668889,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland River Branch: Welland River Branch
Ontario, Canada
Waterbody Type:Creek
Last observed: March 31, 2025 Monitored since: December 28, 2024
/-83.0993414,42.2745722,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Detroit River: Black Oaks Heritage Park (Windsor)
Ontario, Canada
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: June 27, 2021
/-88.0606556,41.8425106,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Glen Crest Creek: Glen Crest Creek at Willowbrook Forest Preserve
Glen Ellyn, Illinois, United States
Waterbody Type:Creek
Last observed: March 31, 2025 Monitored since: November 26, 2023
/-0.5433738,51.3091211,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hoe Stream (White Rose Lane Nature Reserve): Hoe Stream
Woking, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: March 31, 2025 Monitored since: December 1, 2024
/-83.0713177,42.1867389,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Canard River: River Canard (Lasalle)
Ontario, Canada
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: June 27, 2021
/-0.4681206,51.1526937,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cranleigh Waters: Ashen Copse
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: March 31, 2025 Monitored since: November 26, 2023
/-2.1485827,51.9801417,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Swilgate: Tewkesbury Nature Reserve: Southern Foot Bridge
Cheltenham, Gloucestershire, United Kingdom
Waterbody Type:River
Last observed: March 31, 2025 Monitored since: November 2, 2022