/-88.7167454,42.0883946,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kishwaukee River South Branch: Kishwaukee River South Branch at Russell Woods
Genoa, Illinois, United States
Waterbody Type:River
Last observed: March 13, 2025 Monitored since: December 15, 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?
7,842 locations
+75 new sample locations added in the past 30 days
River
Last observed: March 13, 2025 Monitored since: December 15, 2024
/-87.5454998,41.4326564,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Plum Creek at Klemme Rd: Plum Creek at Klemme
Crete, Illinois, United States
Waterbody Type:Creek
Last observed: March 13, 2025 Monitored since: December 10, 2023
/-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: March 13, 2025 Monitored since: November 30, 2024
/-88.160541,41.6971093,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River: Springbrook Water Reclamation Center Upstream
Bolingbrook, Illinois, United States
Waterbody Type:River
Last observed: March 13, 2025 Monitored since: November 15, 2023
/-79.249683,42.8841107,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland Canal: Port Colborne at the entrance from Lake Erie
Port Colborne, Ontario, Canada
Waterbody Type:Canal
Last observed: March 13, 2025 Monitored since: December 3, 2021
/-0.0085831,51.5230009,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Limehouse Cut: Limehouse Cut East Shore (T21 Office)
London, Tower Hamlets, United Kingdom
Waterbody Type:Unknown
Last observed: March 13, 2025 Monitored since: March 28, 2024
/0.078482,51.4637769,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Wickham: Oxleas wood, site 3
London, Greenwich, United Kingdom
Waterbody Type:River
Last observed: March 12, 2025 Monitored since: February 28, 2025
/-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: March 12, 2025 Monitored since: October 29, 2024
/-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: March 12, 2025 Monitored since: November 11, 2023
/-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 12, 2025 Monitored since: January 26, 2025
/-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: March 12, 2025 Monitored since: November 11, 2023
/-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 12, 2025 Monitored since: January 26, 2025
/-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 12, 2025 Monitored since: December 28, 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: March 12, 2025 Monitored since: October 29, 2024
/-79.0155917,42.9551143,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Beaver Creek: Beaver Creek at College Road
Niagara Falls, Ontario, Canada
Waterbody Type:Creek
Last observed: March 12, 2025 Monitored since: December 29, 2024
/-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: March 12, 2025 Monitored since: November 13, 2024
/-88.2925743,42.1666845,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Crystal Creek: Main Street
Algonquin, Illinois, United States
Waterbody Type:Creek
Last observed: March 12, 2025 Monitored since: November 25, 2024
/-88.2902969,42.1662603,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
/-0.5586393,51.3219145,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Basingstoke Canal: Chobham Road underpass
Woking, Surrey, United Kingdom
Waterbody Type:Canal
Last observed: March 12, 2025 Monitored since: August 3, 2023
/-88.1283975,41.7466349,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Branch DuPage River: Pioneer Park
Naperville, Illinois, United States
Waterbody Type:River
Last observed: March 12, 2025 Monitored since: November 17, 2023
/-0.3068447,51.4086662,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hogsmill: Clattern Bridge
London, Kingston upon Thames, United Kingdom
Waterbody Type:River
Last observed: March 12, 2025 Monitored since: March 12, 2025