/-84.5309114,48.2576548,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Dip Needle Lake: Dip Needle Lake Narrows @ Train Track Culvert / Minnow Bucket Beach
Ontario, Canada
Waterbody Type:Lake
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?
8,226 locations
+33 new sample locations added in the past 30 days
Lake
Last observed: May 18, 2025 Monitored since: May 18, 2025
/-88.1348562,41.754183,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River, West Branch: DuPage River, West Branch
Naperville, Illinois, United States
Waterbody Type:River
Last observed: May 18, 2025 Monitored since: November 24, 2024
/-84.5265985,48.2683518,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
McVeigh Creek: McVeigh Creek Before merging with Wyndsor Creek
Ontario, Canada
Waterbody Type:Creek
Last observed: May 18, 2025 Monitored since: May 18, 2025
/-84.5268345,48.2677514,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wyndsor Creek: Wyndsor Creek Before merging with McVeigh Creek
Ontario, Canada
Waterbody Type:Creek
Last observed: May 18, 2025 Monitored since: May 18, 2025
/-88.0765557,41.9688079,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Spring Brook Creek: Spring Brook Creek - N of Meacham Grove FP
Roselle, Illinois, United States
Waterbody Type:Creek
Last observed: May 18, 2025 Monitored since: November 16, 2023
/-84.5301819,48.2661808,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Summit Lake Headwaters (McVeigh Creek & Windsor Creek): Summit Lake Intake
Ontario, Canada
Waterbody Type:Creek
Last observed: May 18, 2025 Monitored since: May 18, 2025
/-84.5028663,48.2651088,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wyndsor Lake/Nicho Lake CREEK : Wyndsor Lake Creek - Beaver Dam
Ontario, Canada
Waterbody Type:Creek
Last observed: May 18, 2025 Monitored since: May 18, 2025
/-88.1751965,41.781825,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Branch Du Page River: West Branch Du Page River
Naperville, Illinois, United States
Waterbody Type:River
Last observed: May 18, 2025 Monitored since: November 13, 2024
/-84.4973516,48.2669092,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Nicho Lake: Nicho
Ontario, Canada
Waterbody Type:Lake
Last observed: May 18, 2025 Monitored since: May 18, 2025
/-84.5478201,48.3307204,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Smithy Lake: Smithy Lake Boat Launch(Northwest Shore) - Magino Mine Reference Lake
Ontario, Canada
Waterbody Type:Lake
Last observed: May 18, 2025 Monitored since: November 5, 2024
/-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
/-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
/-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