/-88.0425043,41.8863226,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Branch of the DuPage River: East Branch DuPage River at Churchill Woods
Lombard, Illinois, United States
Waterbody Type:River
Last observed: April 12, 2025 Monitored since: January 29, 2024
Locations
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8,239 locations
+0 new sample locations added in the past 30 days
River
Last observed: April 12, 2025 Monitored since: January 29, 2024
/-89.3628179,31.3511873,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Sehoy: MPI Lake Training
Hattiesburg, Mississippi, United States
Waterbody Type:Lake
Last observed: April 11, 2025 Monitored since: April 11, 2025
/-74.731841,45.0181517,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St Lawrence River: St Lawrence River
Ontario, Canada
Waterbody Type:Unknown
Last observed: April 10, 2025 Monitored since: April 10, 2025
/-89.7368431,30.3817238,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Pearl: Hwy 59
Pearl River, Louisiana, United States
Waterbody Type:River
Last observed: April 9, 2025 Monitored since: May 2, 2021
/-73.2497978,45.2895584,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rivière Richelieu: Centre-de-Plein-air-Ronald-Beauregard
Montreal, Quebec, Canada
Waterbody Type:River
Last observed: April 9, 2025 Monitored since: July 26, 2024
/-77.4781999,44.1205457,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bay of Quinte: Bay of Quinte Aikins Rd.
Rednersville, Ontario, Canada
Waterbody Type:Unknown
Last observed: April 8, 2025 Monitored since: April 17, 2023
/-79.7148521,43.4535793,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Glen Abbey Golf Course Stream 1: Glen Abbey Golf Course Stream 1
Oakville, Ontario, Canada
Waterbody Type:Stream
Last observed: April 7, 2025 Monitored since: April 7, 2025
/-87.7223754,41.9742517,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
North Branch Chicago River at Eugene Field Park Footbridge: Eugene Field Park
Chicago, Illinois, United States
Waterbody Type:River
Last observed: April 6, 2025 Monitored since: December 15, 2024
/-88.1366587,41.8489379,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Spring Brook Creek: Spring Brook Creek
Wheaton, Illinois, United States
Waterbody Type:Creek
Last observed: April 6, 2025 Monitored since: December 8, 2024
/-76.9893765,43.9348812,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Ontario: Little Bluff Conservation Area
Ontario, Canada
Waterbody Type:Lake
Last observed: April 6, 2025 Monitored since: April 16, 2017
/-90.0390315,38.5438155,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Gartside Creek: Gartside Creek at Queen of Peace
Belleville, Illinois, United States
Waterbody Type:Creek
Last observed: April 5, 2025 Monitored since: October 21, 2023
/-0.0815779,51.6267717,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Moore Brook : Firs Farm Wetlands - Outlet
London, Enfield, United Kingdom
Waterbody Type:Wetland
Last observed: April 5, 2025 Monitored since: April 5, 2025
/-89.990859,38.507831,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Richland Creek: Richland Creek @ South Side City Park
Belleville, Illinois, United States
Waterbody Type:Creek
Last observed: April 3, 2025 Monitored since: February 9, 2023
/-77.4806934,44.1336506,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bayside Quarry east Pond: Bayside Quarry east Pond
Rednersville, Ontario, Canada
Waterbody Type:Pond
Last observed: April 3, 2025 Monitored since: April 6, 2022
/-87.7017242,41.9731813,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Chicago River: River Park Boathouse
Chicago, Illinois, United States
Waterbody Type:River
Last observed: April 3, 2025 Monitored since: January 2, 2023
/-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: April 3, 2025 Monitored since: February 2, 2024
/-0.2456304,51.61792,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Burnt Oak Brook: Simmonds Mead Open Space
London, Barnet, United Kingdom
Waterbody Type:Stream
Last observed: April 3, 2025 Monitored since: February 1, 2024
/-88.3524156,41.9285702,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pond at Creek Bend Nature Center: Creek Bend Pond
Saint Charles, Illinois, United States
Waterbody Type:Pond
Last observed: April 3, 2025 Monitored since: November 7, 2023
/-90.0271654,38.5483945,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Schoenberger Creek: Schoenberger Creek at West Belleville Bikeway
Belleville, Illinois, United States
Waterbody Type:Creek
Last observed: April 1, 2025 Monitored since: October 23, 2023
/-0.2980042,51.4051626,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hogsmill: Saipem S2- Middle Mill
London, Kingston upon Thames, United Kingdom
Waterbody Type:River
Last observed: April 1, 2025 Monitored since: April 1, 2025
/-87.8785638,42.0633214,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Oakton : Oakton College
Des Plaines, Illinois, United States
Waterbody Type:Pond
Last observed: March 31, 2025 Monitored since: January 29, 2025