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?

5,777 locations

+244 new sample locations added in the past 30 days

Humboldt Lake: Humboldt Lake@private dock

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: April 1, 2023
Monitored since: May 13, 2022

North Branch Chicago River: North Branch Chicago River at Edgebrook Woods

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: April 1, 2023
Monitored since: December 17, 2022

Curtis Creek: Curtis Creek

Quincy, Illinois, United States

Waterbody Type:
Creek
Last observed: April 1, 2023
Monitored since: December 9, 2021

North Branch of the Chicago River: Harms Woods/Glenview Woods

Glenview, Illinois, United States

Waterbody Type:
Unknown
Last observed: April 1, 2023
Monitored since: December 21, 2021

Bowker Creek: 1.3 Monteith

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: April 1, 2023
Monitored since: August 8, 2020

Adolphus Reach on Lake Ontario: Prinyer’s Cove Park & Boat Launch

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 1, 2023
Monitored since: September 25, 2020

Prinyer’s Cove on Lake Ontario: Prinyer’s Cove Source

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 1, 2023
Monitored since: August 10, 2021

Smiths Bay on Lake Ontario: Smiths Bay

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 1, 2023
Monitored since: November 5, 2019

Lac Dodds: Fosse DO1

Quebec, Canada

Waterbody Type:
Lake
Last observed: March 31, 2023
Monitored since: July 6, 2022

North Wey (Alton to Tilford): WEY ( NORTH ) AT HATCH MILL, FARNHAM

Farnham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: March 31, 2023
Monitored since: March 31, 2023

North Wey (Alton to Tilford): Farnham

Farnham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: March 31, 2023
Monitored since: March 31, 2023

North Branch Chicago River: Clark Park Boat House

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: March 31, 2023
Monitored since: December 27, 2021

tributary of R wey North ( before the sewage works, opposite allotments): R Wey N tributary

Farnham, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: March 31, 2023
Monitored since: March 31, 2023

Gator Lake: Gator Lake

Gulf Shores, Alabama, United States

Waterbody Type:
Lake
Last observed: March 30, 2023
Monitored since: January 27, 2009

Richland Creek: Richland Creek @ South Side City Park

Belleville, Illinois, United States

Waterbody Type:
Creek
Last observed: March 30, 2023
Monitored since: February 28, 2023

Little Lagoon: Little Lagoon SW

Gulf Shores, Alabama, United States

Waterbody Type:
Lagoon
Last observed: March 30, 2023
Monitored since: July 31, 2007

Richland Creek: Richland Creek @ Centennial Park

Belleville, Illinois, United States

Waterbody Type:
Creek
Last observed: March 30, 2023
Monitored since: November 7, 2022

Little Lagoon: Little Lagoon NW

Gulf Shores, Alabama, United States

Waterbody Type:
Lagoon
Last observed: March 30, 2023
Monitored since: July 31, 2007

Milford Millpond: West end of Hamlet of Milford at furthest west end of Millpond

Milford, Ontario, Canada

Waterbody Type:
Pond
Last observed: March 30, 2023
Monitored since: March 26, 2017

Prairie DuPont Tributary: Prairie DuPont Creek @ Zingg Bridge

Millstadt, Illinois, United States

Waterbody Type:
Creek
Last observed: March 30, 2023
Monitored since: November 7, 2022

Little Lagoon: Little Lagoon SE

Gulf Shores, Alabama, United States

Waterbody Type:
Lagoon
Last observed: March 30, 2023
Monitored since: July 31, 2007