/-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: March 26, 2025 Monitored since: November 8, 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?
7,913 locations
+52 new sample locations added in the past 30 days
River
Last observed: March 26, 2025 Monitored since: November 8, 2023
/-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: March 26, 2025 Monitored since: November 8, 2023
/-88.2762837,41.7938564,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Indian Creek: Molitor Bridge at Indian Creek
Aurora, Illinois, United States
Waterbody Type:Creek
Last observed: March 26, 2025 Monitored since: December 31, 2024
/-89.9123883,31.3162172,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pearl River: Pearl River at Carroll Loop
Foxworth, Mississippi, United States
Waterbody Type:River
Last observed: March 26, 2025 Monitored since: May 28, 2024
/-89.9245548,31.3099418,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Creek: Mill Creek off Morgantown Rd
Foxworth, Mississippi, United States
Waterbody Type:Creek
Last observed: March 26, 2025 Monitored since: August 14, 2021
/-87.8414011,41.8247073,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Salt Creek: Salt Creek at Brookfield Canoe Launch
Brookfield, Illinois, United States
Waterbody Type:Creek
Last observed: March 26, 2025 Monitored since: January 3, 2023
/-0.1075109,51.639676,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Salmons Brook/Houndsden Gutter: Eversley Crescent Outfall (Downstream)
London, Enfield, United Kingdom
Waterbody Type:Stream
Last observed: March 26, 2025 Monitored since: March 24, 2023
/-88.1317234,41.7209294,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Branch of the DuPage River - Weigand Riverfront Park Canoe Launch: West Branch of the Dupage River - Weigand Riverfront Park Canoe Launch
Naperville, Illinois, United States
Waterbody Type:River
Last observed: March 26, 2025 Monitored since: November 27, 2024
/-123.3697044,48.4633659,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Blenkinsop Creek: Above Swan Lake
Esquimalt, British Columbia, Canada
Waterbody Type:Unknown
Last observed: March 25, 2025 Monitored since: November 9, 2013
/-87.9440003,41.9604001,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Silver Creek: Bensenville at Irving
Bensenville, Illinois, United States
Waterbody Type:Unknown
Last observed: March 25, 2025 Monitored since: February 17, 2022
/-123.3731273,48.464345,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Swan Lake
Esquimalt, British Columbia, Canada
Waterbody Type:Unknown
Last observed: March 25, 2025 Monitored since: November 9, 2013
/-87.988193,41.9546929,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Salt Creek: Salt Creek Park Forest Preserve
Wood Dale, Illinois, United States
Waterbody Type:Creek
Last observed: March 25, 2025 Monitored since: November 15, 2023
/-123.38229,48.46366,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Allotment Gardens
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: March 25, 2025 Monitored since: August 7, 2013
/-123.390401,48.4660951,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Swan Creek: Carey Road and McKenzie Ave
Esquimalt, British Columbia, Canada
Waterbody Type:Unknown
Last observed: March 25, 2025 Monitored since: November 9, 2013
/-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: March 25, 2025 Monitored since: December 20, 2023
/-123.39367,48.46512,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Columbine Culvert Downstream
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: March 25, 2025 Monitored since: November 12, 2014
/-123.39551,48.46672,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: McKenzie Underpass Forest/Columbine Riffle
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: March 25, 2025 Monitored since: August 7, 2013
/-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: March 25, 2025 Monitored since: December 19, 2023
/-123.3975099,48.4674883,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Bob's Bridge
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: March 25, 2025 Monitored since: November 22, 2020
/-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: March 25, 2025 Monitored since: December 19, 2023
/-123.40018,48.46701,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Swan Creek: Art's Riffle
Esquimalt, British Columbia, Canada
Waterbody Type:Creek
Last observed: March 25, 2025 Monitored since: November 9, 2013