/-88.1991648,41.9435797,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Army Trail West Pond: Army Trail West Pond - Smythe Settlement
West Chicago, Illinois, United States
Waterbody Type:Pond
Last observed: March 11, 2025 Monitored since: November 29, 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?
7,864 locations
+70 new sample locations added in the past 30 days
Pond
Last observed: March 11, 2025 Monitored since: November 29, 2023
/-84.4037962,46.559108,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Davignon Creek: East Davignon Creek Allens Side (N of 2nd Ln W)
Ontario, Canada
Waterbody Type:Creek
Last observed: March 11, 2025 Monitored since: March 1, 2024
/-79.2415,43.0069999,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland Canal: Welland Recreational Canal - Boat house
Welland, Ontario, Canada
Waterbody Type:Canal
Last observed: March 11, 2025 Monitored since: January 14, 2021
/-0.481832,51.1388336,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cranleigh Waters: Redcroft Walk / Horsham Road
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: March 11, 2025 Monitored since: November 25, 2023
/-0.3145909,51.5726927,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Brook: Northwick park Brook(Wealdstone Brook?)
London, Brent, United Kingdom
Waterbody Type:River
Last observed: March 11, 2025 Monitored since: November 7, 2024
/-0.514501,51.1468782,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cranleigh Waters: Sewage / waste water plant outlet
Cranleigh, Surrey, United Kingdom
Waterbody Type:River
Last observed: March 11, 2025 Monitored since: March 11, 2025
/-79.0940733,42.8611992,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Point Abino Marsh: Point Abino Marsh
Ontario, Canada
Waterbody Type:Wetland
Last observed: March 10, 2025 Monitored since: December 30, 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: March 10, 2025 Monitored since: November 30, 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: March 10, 2025 Monitored since: November 30, 2023
/-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: March 10, 2025 Monitored since: February 22, 2024
/-88.1630501,41.8693445,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West branch of DuPage river: West branch of DuPage river at Beecher Rd, Winfield
Winfield, Illinois, United States
Waterbody Type:River
Last observed: March 10, 2025 Monitored since: November 15, 2023
/-88.0365368,41.883241,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Branch DuPage River: Hill Ave Bridge
Lombard, Illinois, United States
Waterbody Type:River
Last observed: March 10, 2025 Monitored since: November 17, 2023
/-88.0507177,41.8903346,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East branch DuPage River: East DuPage river at St. Charles
Glen Ellyn, Illinois, United States
Waterbody Type:River
Last observed: March 10, 2025 Monitored since: November 15, 2023
/-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: March 10, 2025 Monitored since: January 5, 2024
/-88.0786157,41.8118819,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Arbor Lake : Arbor Lake at Morton Arb
Lisle, Illinois, United States
Waterbody Type:Lake
Last observed: March 10, 2025 Monitored since: November 1, 2023
/-88.0616002,41.8139583,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Crabapple Lake: Crabapple Lake at Morton Arboretum
Lisle, Illinois, United States
Waterbody Type:Lake
Last observed: March 10, 2025 Monitored since: November 12, 2024
/-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: March 9, 2025 Monitored since: September 13, 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: March 9, 2025 Monitored since: December 9, 2021
/-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: March 9, 2025 Monitored since: November 24, 2024
/-88.1790805,41.9768482,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Winding Creek: Winding Creek
Bartlett, Illinois, United States
Waterbody Type:Creek
Last observed: March 9, 2025 Monitored since: December 10, 2023
/-79.2132921,43.0391699,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland Canal: Welland Canal at Port Robinson Ferry
Port Robinson, Ontario, Canada
Waterbody Type:Canal
Last observed: March 9, 2025 Monitored since: December 30, 2024