/-65.9073687,45.4574516,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hammond River: Hammond River Bridge
New Brunswick, Canada
Waterbody Type:Unknown
Last observed: May 28, 2025 Monitored since: May 31, 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?
8,174 locations
+101 new sample locations added in the past 30 days
Unknown
Last observed: May 28, 2025 Monitored since: May 31, 2023
/-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: May 28, 2025 Monitored since: November 8, 2023
/-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: May 28, 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: May 28, 2025 Monitored since: November 8, 2023
/-87.6651478,41.8428956,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
South Branch Chicago River: Canal Origins Park
Chicago, Illinois, United States
Waterbody Type:River
Last observed: May 28, 2025 Monitored since: December 20, 2024
/-88.1283331,41.6797393,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lily Cache Creek: Lily Cache Creek at the Lily Cache Sports Field footbridge
Bolingbrook, Illinois, United States
Waterbody Type:Creek
Last observed: May 28, 2025 Monitored since: November 22, 2024
/-0.2461839,51.4837427,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Leg O' Mutton Reservoir: Leg O' Mutton
London, Richmond upon Thames, United Kingdom
Waterbody Type:Lake
Last observed: May 28, 2025 Monitored since: April 24, 2024
/-0.2372575,51.4726663,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Beverley Brook: Rocks Lane Highways Bridge
London, Richmond upon Thames, United Kingdom
Waterbody Type:River
Last observed: May 28, 2025 Monitored since: March 22, 2024
/-0.2581573,51.4599567,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Beverley Brook: Bank of England Footbridge
London, Richmond upon Thames, United Kingdom
Waterbody Type:River
Last observed: May 28, 2025 Monitored since: April 23, 2024
/-0.2540803,51.4373032,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Beverley Brook: Richmond Park A3
London, Richmond upon Thames, United Kingdom
Waterbody Type:River
Last observed: May 28, 2025 Monitored since: April 25, 2024
/-0.2591014,51.4549161,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Beverley Brook: Richmond Park Wall
London, Wandsworth, United Kingdom
Waterbody Type:River
Last observed: May 28, 2025 Monitored since: April 23, 2024
/-117.7117896,50.2047331,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Box Lake: Box Lake Dock
British Columbia, Canada
Waterbody Type:Lake
Last observed: May 28, 2025 Monitored since: August 26, 2022
/-54.283438,49.6699312,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
/-88.3083476,41.8700635,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fox River: Fabyan Forest Preserve
Geneva, Illinois, United States
Waterbody Type:River
Last observed: May 28, 2025 Monitored since: January 13, 2022
/-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: May 28, 2025 Monitored since: November 27, 2024
/-88.184402,41.6768225,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River: West Branch DuPage River
Naperville, Illinois, United States
Waterbody Type:River
Last observed: May 27, 2025 Monitored since: December 3, 2023
/-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: May 27, 2025 Monitored since: November 26, 2023
/-74.3210506,45.312202,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rivière Delisle: Rivière Delisle
Quebec, Canada
Waterbody Type:River
Last observed: May 27, 2025 Monitored since: October 16, 2024
/-74.3652105,45.1949911,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wood Creek: Wood Creek County rd 2 Bridge
Ontario, Canada
Waterbody Type:Creek
Last observed: May 27, 2025 Monitored since: September 28, 2023
/-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: May 27, 2025 Monitored since: November 26, 2023
/-88.2248497,42.2010642,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fox River: Fox River-Route 14
Illinois, United States
Waterbody Type:River
Last observed: May 27, 2025 Monitored since: December 13, 2024