/-88.0387688,41.8245871,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hidden Lake: Hidden Lake at Hidden Lake Forest Preserve
Downers Grove, Illinois, United States
Waterbody Type:Lake
Last observed: May 8, 2024 Monitored since: November 20, 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?
6,773 locations
+71 new sample locations added in the past 30 days
Lake
Last observed: May 8, 2024 Monitored since: November 20, 2023
/-88.0374169,41.8183729,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lacey Creek: Lacey Creek at Morton Arboretum
Downers Grove, Illinois, United States
Waterbody Type:Creek
Last observed: May 8, 2024 Monitored since: November 20, 2023
/-73.2760835,45.4495745,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rivière Richelieu: Fort Chambly
Chambly, Quebec, Canada
Waterbody Type:River
Last observed: May 8, 2024 Monitored since: August 3, 2022
/-0.5016373,51.1429154,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cranleigh Waters: Downslink
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: May 8, 2024 Monitored since: November 26, 2023
/-122.7271322,49.2814134,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DeBoville Slough : Devon
Coquitlam, British Columbia, Canada
Waterbody Type:Wetland
Last observed: May 8, 2024 Monitored since: November 9, 2022
/-123.0630112,49.2572181,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Trout Lake: NorthWest dock at dog beach
Vancouver, British Columbia, Canada
Waterbody Type:Unknown
Last observed: May 7, 2024 Monitored since: June 3, 2022
/-123.062067,49.2543238,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Trout Lake: Trout Lake- John Hendry Park South End 3
Vancouver, British Columbia, Canada
Waterbody Type:Lake
Last observed: May 7, 2024 Monitored since: May 26, 2021
/-76.0302615,45.4371438,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bill Mason Wetland: Bill Mason Centre
Ottawa, Ontario, Canada
Waterbody Type:Wetland
Last observed: May 7, 2024 Monitored since: May 7, 2024
/-81.3270591,45.132558,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Georgian Bay: Dyers Bay
Ontario, Canada
Waterbody Type:Bay
Last observed: May 7, 2024 Monitored since: May 23, 2022
/-79.1144228,43.1452219,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fireman's Park Pond: Fireman's Park Disc Golf Course
St Davids, Ontario, Canada
Waterbody Type:Pond
Last observed: May 7, 2024 Monitored since: May 7, 2024
/-0.2600077,51.611003,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Burnt Oak Brook: The Meads, Brook Walk
London, Barnet, United Kingdom
Waterbody Type:Stream
Last observed: May 7, 2024 Monitored since: February 2, 2024
/-0.2526081,51.61226,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Burnt Oak Brook: Lyndhurst Park (downstream of culvert)
London, Barnet, United Kingdom
Waterbody Type:Stream
Last observed: May 7, 2024 Monitored since: February 2, 2024
/-103.7739586,50.7721577,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Qu'Appelle River: Qu'Appelle River between outflow Echo Lake flow to Mission Lake
Saskatchewan, Canada
Waterbody Type:River
Last observed: May 6, 2024 Monitored since: June 27, 2021
/-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 6, 2024 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 6, 2024 Monitored since: November 8, 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 6, 2024 Monitored since: November 8, 2023
/-83.844338,46.3725168,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Caribou Lake: Caribou Lake - off boat ramp
Ontario, Canada
Waterbody Type:Unknown
Last observed: May 6, 2024 Monitored since: June 13, 2022
/-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 5, 2024 Monitored since: December 21, 2023
/-88.3486176,40.2796194,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wildcat Slough: Sangamon River Forest Preserve
Mahomet, Illinois, United States
Waterbody Type:Stream
Last observed: May 5, 2024 Monitored since: November 6, 2022
/-88.3510423,40.2790511,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sangamon River: Sangamon River Forest Preserve site
Fisher, Illinois, United States
Waterbody Type:River
Last observed: May 5, 2024 Monitored since: November 7, 2021
/-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: May 5, 2024 Monitored since: March 24, 2023