/-87.6941124,41.9576118,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Chicago River: Riverbank Neighbors - Berteau
Chicago, Illinois, United States
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: November 18, 2024
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?
8,081 locations
+129 new sample locations added in the past 30 days
River
Last observed: May 23, 2025 Monitored since: November 18, 2024
/-87.7045226,41.9729133,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Chicago River- North Branch: River Park Canoe Launch
Chicago, Illinois, United States
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: November 18, 2024
/-83.0993414,42.2745722,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Detroit River: Black Oaks Heritage Park (Windsor)
Ontario, Canada
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: June 27, 2021
/-123.4875727,48.4569146,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Stream: Cedar Vale Park (Site 4)
Langford, British Columbia, Canada
Waterbody Type:Stream
Last observed: May 23, 2025 Monitored since: July 31, 2024
/-123.5157251,48.4938006,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Stream: Finlayson Arm Road (Site 1)
Highlands, British Columbia, Canada
Waterbody Type:Stream
Last observed: May 23, 2025 Monitored since: July 31, 2024
/-123.5112405,48.4771746,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Stream: Chow Nicoll Park (Site 2)
Highlands, British Columbia, Canada
Waterbody Type:Stream
Last observed: May 23, 2025 Monitored since: July 31, 2024
/-123.4981728,48.4683403,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Stream: Goldie Park (Site 3)
Langford, British Columbia, Canada
Waterbody Type:Stream
Last observed: May 23, 2025 Monitored since: July 31, 2024
/-88.0540036,41.8451086,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Glen Crest Creek: Glen Crest Creek - Lincoln Hill
Glen Ellyn, Illinois, United States
Waterbody Type:Creek
Last observed: May 23, 2025 Monitored since: November 18, 2023
/-123.4820151,48.4502117,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Stream: Atkins Avenue (Site 5)
Langford, British Columbia, Canada
Waterbody Type:Stream
Last observed: May 23, 2025 Monitored since: July 31, 2024
/-123.472681,48.4474079,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Stream: Hartwig-Saunders Park (Site 6)
Victoria, British Columbia, Canada
Waterbody Type:Stream
Last observed: May 23, 2025 Monitored since: July 31, 2024
/-105.5631638,50.6947178,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Buffalo pound Lake: North shore
Saskatchewan, Canada
Waterbody Type:Unknown
Last observed: May 23, 2025 Monitored since: October 30, 2022
/-0.853114,51.119623,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
South Wey (Bordon to River Slea confluence): BORDON WASTEWATER TREATMENT WORKS
Bordon, Hampshire, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: March 26, 2023
/-0.854188,51.119704,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
South Wey (Bordon to River Slea confluence): BORDON STW
Bordon, Hampshire, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: March 19, 2023
/-0.855262,51.118707,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
South Wey (Bordon to River Slea confluence): WEY ( SOUTH ) ABOVE BORDON STW
Bordon, Hampshire, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: March 19, 2023
/-0.853071,51.113694,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hollywater and Deadwater at Bordon: DEADWATER AT CHALET HILL BRIDGE
Bordon, Hampshire, United Kingdom
Waterbody Type:Stream
Last observed: May 23, 2025 Monitored since: March 19, 2023
/-79.3375111,42.9747624,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland River: Welland River, River Rd, EC Brown Conservation Area
Ontario, Canada
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: December 29, 2024
/-79.2427754,42.9980248,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Welland River, River Rd Parkette: Welland River, River Rd Parkette
Welland, Ontario, Canada
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: December 29, 2024
/-0.498805,51.1401646,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cranleigh Waters: Knowle Park Lower
Cranleigh, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: November 26, 2023
/-0.5606591,51.257727,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Downstream of Slyfield Treatment Works
Burpham, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: May 13, 2022
/-0.4917367,51.1386446,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cranleigh Waters: Knowle Park
Cranleigh, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: November 26, 2023
/-0.56566,51.2546,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: Stoke Lock Pontoon
Burpham, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: May 13, 2022