/-88.0284691,41.7934959,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St Joseph Creek: St Joseph Creek at the Olsons
Downers Grove, Illinois, United States
Waterbody Type:Creek
Last observed: May 24, 2025 Monitored since: November 17, 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?
8,226 locations
+33 new sample locations added in the past 30 days
Creek
Last observed: May 24, 2025 Monitored since: November 17, 2023
/-0.5264373,51.2173005,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tillingbourne : Sammy’s snail Gunpowder Mills
Bramley, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: May 24, 2025 Monitored since: February 24, 2023
/-88.2235408,41.5925942,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River: Old Renwick Road Bridge, Plainfield Park District
Plainfield, Illinois, United States
Waterbody Type:River
Last observed: May 24, 2025 Monitored since: November 29, 2024
/-0.6018707,51.1912975,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hell Ditch: Hell Ditch, Godalming
Farncombe, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: May 24, 2025 Monitored since: March 18, 2023
/-0.7947517,51.213622,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Wey: South St Farnham
Farnham, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 24, 2025 Monitored since: March 20, 2023
/-0.8115741,51.1923693,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bourne Stream: Bourne Stream
Farnham, England, United Kingdom
Waterbody Type:Stream
Last observed: May 24, 2025 Monitored since: May 24, 2025
/-87.6635599,41.8435763,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Chicago River: Park 571
Chicago, Illinois, United States
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: January 7, 2024
/-87.6345706,41.8581716,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Chicago River: Ping Tom Park Chicago
Chicago, Illinois, United States
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: November 15, 2024
/-88.7498116,41.9394139,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
South Branch of Kishwaukee River: South Branch of Kishwaukee River at N. 1st Street
Dekalb, Illinois, United States
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: November 20, 2024
/-71.3183218,46.8438822,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rivière Du Berger: Pont rivière du berger / Chauveau
Québec, Quebec, Canada
Waterbody Type:River
Last observed: May 23, 2025 Monitored since: May 16, 2025
/-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
/-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
/-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
/-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
/-88.1250286,41.9246571,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mitchell Lake : Mitchell Lake
Carol Stream, Illinois, United States
Waterbody Type:Unknown
Last observed: May 23, 2025 Monitored since: November 21, 2024
/-88.2938135,42.063219,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tyler Creek: Tyler Creek Forest Preserve
Elgin, Illinois, United States
Waterbody Type:Creek
Last observed: May 23, 2025 Monitored since: October 24, 2023
/-87.9994369,41.8632279,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Old Grove Pond: Joe LeCroy
Lombard, Illinois, United States
Waterbody Type:Pond
Last observed: May 22, 2025 Monitored since: November 27, 2024