/-102.3500336,50.5450407,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Round lake: Off shore
Saskatchewan, Canada
Waterbody Type:Lake
Last observed: May 24, 2025 Monitored since: May 3, 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?
8,174 locations
+101 new sample locations added in the past 30 days
Lake
Last observed: May 24, 2025 Monitored since: May 3, 2023
/-88.4412718,41.7814378,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bliss Woods -Blackberry Creek: Bliss Woods -Blackberry Creek
Sugar Grove, Illinois, United States
Waterbody Type:Creek
Last observed: May 24, 2025 Monitored since: December 28, 2023
/-79.9298501,43.2457128,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Chedoke Creek: Princess Falls
Hamilton, Ontario, Canada
Waterbody Type:Creek
Last observed: May 24, 2025 Monitored since: October 16, 2020
/-0.577938,51.33594,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bourne ( South ) At Mimbridge, Chobham: Addlestone Bourne (West End to Hale/Mill Bourne confluence at Mimbridge)
Mimbridge, Surrey, United Kingdom
Waterbody Type:River
Last observed: May 24, 2025 Monitored since: February 23, 2025
/-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
/-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
/-0.7356067,51.0848468,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Wey: Springhead
Haslemere, West Sussex, United Kingdom
Waterbody Type:Stream
Last observed: May 24, 2025 Monitored since: July 29, 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
/0.0,0.0,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hell Ditch: He’ll Ditch
Waterbody Type:Stream
Last observed: May 24, 2025 Monitored since: May 24, 2025
/-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
/-0.7881618,51.2241653,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Nadder Stream: Nadder Stream at exit from Farnham Park
Farnham, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: May 24, 2025 Monitored since: November 23, 2024
/-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