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?

6,707 locations

+106 new sample locations added in the past 30 days

West Branch DuPage River: West Branch DuPage River

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: December 3, 2023

St Lawrence River: Tree Haven Canal

Ontario, Canada

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: June 25, 2022

Fraser : Chevrier Point Rd

Ontario, Canada

Waterbody Type:
Creek
Last observed: March 30, 2024
Monitored since: March 30, 2024

St Lawrence: Lakeview ... bay

Ontario, Canada

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: May 28, 2023

DuPage River (West Branch): DuPage River (West Branch)

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: December 29, 2023

Raisin River: Raisin River Marina

Ontario, Canada

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: March 30, 2024

River Wey: Downstream of Slyfield Treatment Works

Burpham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: May 13, 2022

River Wey: Stoke Lock Pontoon

Burpham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: May 13, 2022

River Wey: Stonehouse Road

Liphook, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: May 29, 2022

River Wey: Farncombe boat house

Farncombe, Surrey, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: June 25, 2023

Rocky Fork Tributary: Creek at Merry Meadows

Godfrey, Illinois, United States

Waterbody Type:
Creek
Last observed: March 30, 2024
Monitored since: December 31, 2023

River Wey: Dapdune Wharf

Guildford, Surrey, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: November 27, 2022

River Wey: Wey Navigation

Guildford, Surrey, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: May 10, 2022

River Wey: Island Training location, Riverside

Guildford, Surrey, United Kingdom

Waterbody Type:
Unknown
Last observed: March 30, 2024
Monitored since: May 10, 2022

Sangamon River: River Bend Forest Preserve site

Mahomet, Illinois, United States

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: November 7, 2021

Saint Joseph Creek: Saint Joseph Creek

Lisle, Illinois, United States

Waterbody Type:
Creek
Last observed: March 30, 2024
Monitored since: December 2, 2023

River Wey: Radford Park : Down steam sluice

Liphook, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: June 26, 2022

River Wey: Radford Park : Pooh Sticks Bridge

Liphook, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: June 26, 2022

River Wey: Allees Meadow

East Hampshire District, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: December 4, 2021

River Thames: Laleham Park

London, Hounslow, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2024
Monitored since: March 25, 2023

Stream at Compton Common: Compton Common: Stream that passes through pipe under path (East side)

Farncombe, Surrey, United Kingdom

Waterbody Type:
Unknown
Last observed: March 30, 2024
Monitored since: April 22, 2023