/-88.3185554,42.24909,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Veteran Acres Pond: Veteran Acres - Sterne Woods (Oakwoods Lodge)
Crystal Lake, Illinois, United States
Waterbody Type:Pond
Last observed: June 1, 2025 Monitored since: December 24, 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?
8,080 locations
+134 new sample locations added in the past 30 days
Pond
Last observed: June 1, 2025 Monitored since: December 24, 2023
/-87.7067327,41.9814233,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
North Shore Channel: Legion Park-NSCP
Chicago, Illinois, United States
Waterbody Type:River
Last observed: June 1, 2025 Monitored since: December 30, 2024
/-88.1824708,41.5381691,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River: DuPage River at Hammel Woods
Shorewood, Illinois, United States
Waterbody Type:River
Last observed: June 1, 2025 Monitored since: November 28, 2024
/-88.3651916,42.2458161,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lippold Pond: Lippold Park - West Entrance
Crystal Lake, Illinois, United States
Waterbody Type:Pond
Last observed: June 1, 2025 Monitored since: November 28, 2024
/-88.1401348,41.90946,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kuhn Rd Crossing of Klein Creek: Klein Creek
Carol Stream, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: November 29, 2024
/-83.9658022,46.3221859,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St. Marys River - Wilson Channel: Matotee Camp
Ontario, Canada
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: July 17, 2022
/-88.3786658,42.0106179,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Creek: Fitchie Creek
Elgin, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: September 13, 2024
/-88.3235764,41.8067653,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fox River: North Aurora Riverfront Park
North Aurora, Illinois, United States
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: December 31, 2023
/-76.702131,44.767758,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Sharbot Lake : SLMWB
Ontario, Canada
Waterbody Type:Lake
Last observed: May 31, 2025 Monitored since: May 10, 2001
/-123.4394627,48.5388921,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tod Creek: Farmington Road
Brentwood Bay, British Columbia, Canada
Waterbody Type:Stream
Last observed: May 31, 2025 Monitored since: January 22, 2023
/-88.3015394,42.4400226,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
North Branch Nippersink Creek: North Branch Nippersink Creek @ W Solon Rd
Richmond, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: November 30, 2024
/-84.3063569,46.5672083,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Root River: Root River Fourth Line E
Ontario, Canada
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: March 10, 2024
/-88.528347,41.6478125,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Big Rock Creek: Big Rock Creek at Emmons Woods
Plano, Illinois, United States
Waterbody Type:Stream
Last observed: May 31, 2025 Monitored since: December 31, 2024
/-84.3442512,46.5363508,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fort Creek: Fort Creek Channel at Carmen's Way
Ontario, Canada
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: March 1, 2024
/-88.2717776,41.751205,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Patterson: Oakhurst Forest Preserve South Shore Dock
Aurora, Illinois, United States
Waterbody Type:Lake
Last observed: May 31, 2025 Monitored since: November 25, 2023
/-84.3206692,46.5717047,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Root River: Root River off Hwy 17 N (near Teen Challenge)
Ontario, Canada
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: March 10, 2024
/-77.7209439,48.1815752,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lac: Lac des soeurs
Quebec, Canada
Waterbody Type:Lake
Last observed: May 31, 2025 Monitored since: June 29, 2020
/-88.3876276,41.8312764,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Run: Lake Run at Nelson Lake in Dick Young Forest Preserve
Batavia, Illinois, United States
Waterbody Type:Stream
Last observed: May 31, 2025 Monitored since: November 28, 2023
/-0.8427501,51.3522748,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Moulsham Bridge, Moor Green, Finchampstead: Blackwater
Wokingham, England, United Kingdom
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: April 26, 2025
/-90.2323651,38.9601429,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rocky Fork Tributary: Creek at Merry Meadows
Godfrey, Illinois, United States
Waterbody Type:Creek
Last observed: May 31, 2025 Monitored since: December 31, 2023
/-0.7360358,51.2451947,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Blackwater river: Blackwater by aldershot sewage works
Aldershot, England, United Kingdom
Waterbody Type:River
Last observed: May 31, 2025 Monitored since: May 31, 2025