/-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
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?
8,079 locations
+128 new sample locations added in the past 30 days
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
/-84.297452,46.4952016,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St. Marys River: Bellevue Park Topsail Island
Ontario, Canada
Waterbody Type:River
Last observed: May 16, 2025 Monitored since: February 22, 2024
/-0.2022708,51.624755,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Folly Brook/Dollis Brook: Darlands Lake (Downstream)
London, Barnet, United Kingdom
Waterbody Type:River
Last observed: May 16, 2025 Monitored since: May 21, 2023
/-1.0220289,51.3201313,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Loddon: Longbridge Mill
Sherfield On Loddon, Hampshire, United Kingdom
Waterbody Type:River
Last observed: May 16, 2025 Monitored since: February 21, 2025
/-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
/-87.9634953,41.8896018,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Salt Creek: SCGW bridge on Salt Creek
Elmhurst, Illinois, United States
Waterbody Type:Creek
Last observed: May 15, 2025 Monitored since: November 10, 2023
/-87.9688111,41.8721873,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sugar Creek: Villa Ave Bridge at Sugar Creek
Villa Park, Illinois, United States
Waterbody Type:Creek
Last observed: May 15, 2025 Monitored since: November 10, 2023
/-67.5823331,46.4732611,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Saint John River: Public River Access at Old Train Station Info Centre
New Brunswick, Canada
Waterbody Type:River
Last observed: May 15, 2025 Monitored since: May 7, 2019
/-60.943737,46.1896019,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Middle River: Middle River
Baddeck, Nova Scotia, Canada
Waterbody Type:Unknown
Last observed: May 15, 2025 Monitored since: May 15, 2025
/-88.4459281,41.6427884,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fox River: Fox River Yorkville IL
Yorkville, Illinois, United States
Waterbody Type:River
Last observed: May 14, 2025 Monitored since: November 30, 2023
/-67.5281525,46.296247,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St. John River: Hartland New Brunswick
New Brunswick, Canada
Waterbody Type:River
Last observed: May 14, 2025 Monitored since: May 19, 2017
/-87.9506421,41.6371722,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Long Run Creek: Long Run Creek - Homer Glen, IL
Homer Glen, Illinois, United States
Waterbody Type:Creek
Last observed: May 14, 2025 Monitored since: November 24, 2023
/-88.3546901,41.6596875,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Morgan Creek: Morgan Creek at Morgan Creek Park
Oswego, Illinois, United States
Waterbody Type:Creek
Last observed: May 14, 2025 Monitored since: November 30, 2023
/-88.3428326,42.4147283,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Nippersink Creek: Nippersink Creek at the Keystone Landing in McHenry County Conservation District's Glacial Park Conservation Area
Ringwood, Illinois, United States
Waterbody Type:Creek
Last observed: May 13, 2025 Monitored since: November 30, 2024
/-91.3709307,39.9172412,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Curtis Creek: Curtis Creek
Quincy, Illinois, United States
Waterbody Type:Creek
Last observed: May 13, 2025 Monitored since: December 9, 2021
/-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: May 13, 2025 Monitored since: December 10, 2023
/-103.9013923,50.8035221,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pasqua river marsh : Pasqua lake
Saskatchewan, Canada
Waterbody Type:Creek
Last observed: May 13, 2025 Monitored since: May 17, 2024
/-87.9725289,41.9211515,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Salt creek: Salt Creek
Addison, Illinois, United States
Waterbody Type:Unknown
Last observed: May 13, 2025 Monitored since: January 5, 2024
/-0.7725,51.1716883,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)