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?

8,080 locations

+131 new sample locations added in the past 30 days

Blackwater river: Blackwater by aldershot sewage works

Aldershot, England, United Kingdom

Waterbody Type:
River
Last observed: May 31, 2025
Monitored since: May 31, 2025

Tame: Elford Walled Garden

Lichfield District, Staffordshire, United Kingdom

Waterbody Type:
River
Last observed: May 31, 2025
Monitored since: December 29, 2024

River Brent: Clitheroe Island - Boston Manor Park

London, Hounslow, United Kingdom

Waterbody Type:
River
Last observed: May 31, 2025
Monitored since: October 1, 2024

River Brent: Duckweir - Clitheroe Island - Boston Manor Park

London, Hounslow, United Kingdom

Waterbody Type:
Unknown
Last observed: May 31, 2025
Monitored since: October 1, 2024

Brent River: Brent_41 Union Canal Towpath

London, Ealing, United Kingdom

Waterbody Type:
River
Last observed: May 31, 2025
Monitored since: February 1, 2025

River Wey: Shottermill

Haslemere, Surrey, United Kingdom

Waterbody Type:
River
Last observed: May 31, 2025
Monitored since: August 1, 2022

Blackberry Creek: Blackberry Creek Forest Preserve

Montgomery, Illinois, United States

Waterbody Type:
Creek
Last observed: May 30, 2025
Monitored since: November 28, 2024

DuPage River: DuPage River at Knoch Knolls Canoe/Kayak Launch

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: December 23, 2024

Big Rock Creek: Big Rock Forest Preserve

Big Rock, Illinois, United States

Waterbody Type:
Creek
Last observed: May 30, 2025
Monitored since: November 26, 2023

Tributary to Pembina River: French Creek

Fawcett, Alberta, Canada

Waterbody Type:
Creek
Last observed: May 30, 2025
Monitored since: May 30, 2025

Island Lake: Island Lake Boat Launch

Orangeville, Ontario, Canada

Waterbody Type:
Wetland
Last observed: May 30, 2025
Monitored since: October 3, 2023

Root River: Root River Hwy 17E

Ontario, Canada

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: March 1, 2024

River beside CBU: South West (SW) Brook

Sydney, Nova Scotia, Canada

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: September 4, 2024

Creek under Fairmount Ave: Creek under Fairmount Ave, east side of bridge

Downers Grove, Illinois, United States

Waterbody Type:
Creek
Last observed: May 30, 2025
Monitored since: November 19, 2024

East Branch DuPage River: Lisle Community Park Boat Launch near Short St on East Branch DuPage River

Lisle, Illinois, United States

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: December 9, 2024

Sharbot Lake: SLCWB

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 30, 2025
Monitored since: May 27, 2017

Ottawa River: Petrie Island Causeway

Orléans, Ontario, Canada

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: May 30, 2025

Holgar Lake: Channel between peninsula and island

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: May 30, 2025
Monitored since: June 9, 2021

Sharbot Lake North West Basin: SLNWB

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 30, 2025
Monitored since: May 10, 2001

Stream: Albion Fall

Stoney Creek, Ontario, Canada

Waterbody Type:
Stream
Last observed: May 30, 2025
Monitored since: May 21, 2023

Cataraqui River : 6.2

Kingston, Ontario, Canada

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: July 15, 2024