/-84.4736409,48.314139,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mountain Lake Creek: Mountain Lake Creek
Ontario, Canada
Waterbody Type:Creek
Last observed: May 18, 2025 Monitored since: May 18, 2025
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
Creek
Last observed: May 18, 2025 Monitored since: May 18, 2025
/-84.500463,48.3271982,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Dreany Lake: Dreany Lake southwest location post culvert - Island Gold Mine Reference Lake
Ontario, Canada
Waterbody Type:Lake
Last observed: May 18, 2025 Monitored since: November 5, 2024
/-88.3587247,42.2035353,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Woodscreek : Woodscreek Park: 3 Pipe Inlet, Ackman Rd and Golf Course Rd, Crystal Lake, Il
Crystal Lake, Illinois, United States
Waterbody Type:Creek
Last observed: May 17, 2025 Monitored since: November 27, 2024
/-84.528358,47.943685,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Michipicoten River @ HWY 101 (eastside under bridge): Michipicoten River @ HWY 101
Hawk Junction, Ontario, Canada
Waterbody Type:River
Last observed: May 17, 2025 Monitored since: May 6, 2025
/-77.8258304,44.1960815,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Salt Creek: Meeker Bridge
Warkworth, Ontario, Canada
Waterbody Type:Creek
Last observed: May 17, 2025 Monitored since: May 13, 2025
/-88.2201933,41.7909767,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Stream: Bayou Path Dr Stream in Atwater Subdivision
Naperville, Illinois, United States
Waterbody Type:Stream
Last observed: May 17, 2025 Monitored since: December 21, 2023
/-88.2606195,41.7373116,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Waubonsie Creek: Waubonsie Creek
Aurora, Illinois, United States
Waterbody Type:Creek
Last observed: May 17, 2025 Monitored since: December 16, 2023
/-88.1616354,41.8407831,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Spring Brook: Spring Brook in St. James Farm Forest Preserve
Wheaton, Illinois, United States
Waterbody Type:Stream
Last observed: May 17, 2025 Monitored since: December 11, 2023
/-68.3917698,47.4429966,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Eau douce : Jardin Botanique
Saint Jacques, New Brunswick, Canada
Waterbody Type:River
Last observed: May 17, 2025 Monitored since: May 17, 2025
/-87.9379821,41.8273116,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Salt Creek: Salt Creek - Fullersburg - Rainbow Bridge
Oak Brook, Illinois, United States
Waterbody Type:Creek
Last observed: May 16, 2025 Monitored since: November 25, 2023
/-113.6004353,54.2444309,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Helliwell Lake : Helliwell Lake Bridge (RR 250)
Alberta, Canada
Waterbody Type:Lake
Last observed: May 16, 2025 Monitored since: October 6, 2023
/-87.9319739,41.709856,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DesPlaines River: DesPlaines River from DesPlaines Riverways DuPage FPD
Hinsdale, Illinois, United States
Waterbody Type:River
Last observed: May 16, 2025 Monitored since: November 25, 2023
/-71.2379636,46.8231286,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rivière Saint-Charles: Confluent Saint-Charles / Lairet
Québec, Quebec, Canada
Waterbody Type:River
Last observed: May 16, 2025 Monitored since: May 16, 2025
/-87.9330683,41.8253961,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Salt Creek: fullersburg woods
Oak Brook, Illinois, United States
Waterbody Type:Creek
Last observed: May 16, 2025 Monitored since: November 11, 2023
/-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: May 16, 2025 Monitored since: November 15, 2023
/-79.5849609,48.1270426,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Larder Lake: Virginiatown Community Park & Boat Launch/Marina
Ontario, Canada
Waterbody Type:Lake
Last observed: May 16, 2025 Monitored since: June 9, 2018
/-79.9849319,48.1635665,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Gull Lake: East of Kirkland Lake at Roadside Park
Ontario, Canada
Waterbody Type:Lake
Last observed: May 16, 2025 Monitored since: July 4, 2017
/-79.7261524,48.0913526,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Glendalough Lake: Water source for town of Larder Lake
Ontario, Canada
Waterbody Type:Lake
Last observed: May 16, 2025 Monitored since: July 3, 2017
/-79.7174835,48.0932731,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Larder Lake : Larder Lake Marina
Ontario, Canada
Waterbody Type:Lake
Last observed: May 16, 2025 Monitored since: July 3, 2017
/-88.1636953,41.7189717,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Spring Brook Creek: Spring Brook Creek near Leverenz Rd. and Gateshead Dr.
Naperville, Illinois, United States
Waterbody Type:Creek
Last observed: May 15, 2025 Monitored since: November 24, 2024
/-88.3532524,41.6860113,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Waubonsie Creek: Waubonsie Creek
Oswego, Illinois, United States
Waterbody Type:Creek
Last observed: May 15, 2025 Monitored since: November 30, 2023