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

+134 new sample locations added in the past 30 days

Grindstone Creek: Grindstone Marsh

Burlington, Ontario, Canada

Waterbody Type:
Creek
Last observed: June 1, 2025
Monitored since: March 29, 2021

St Mary’s River: Turtle Rock Preserve 2.0

Desbarats, Ontario, Canada

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: June 1, 2025

Pelly River: Faro Bridge

Yukon, Canada

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: May 26, 2019

Hamilton Harbour: Lasalle Park

Burlington, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 1, 2025
Monitored since: April 13, 2019

Van Gorder Creek: Where it empties into Pelly

Yukon, Canada

Waterbody Type:
Creek
Last observed: June 1, 2025
Monitored since: May 26, 2019

Stream: Wash Brook

Sydney, Nova Scotia, Canada

Waterbody Type:
Unknown
Last observed: June 1, 2025
Monitored since: December 30, 2024

Blind Creek : Blind Creek Bridge

Yukon, Canada

Waterbody Type:
Creek
Last observed: June 1, 2025
Monitored since: June 30, 2019

Grindstone Creek: Joe Sam's Leisure Park

Burlington, Ontario, Canada

Waterbody Type:
Creek
Last observed: June 1, 2025
Monitored since: October 17, 2023

Grindstone Creek: Joe Sam's Park

Burlington, Ontario, Canada

Waterbody Type:
Creek
Last observed: June 1, 2025
Monitored since: October 3, 2021

Grand River: Grand River at Schneider Park

Kitchener, Ontario, Canada

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: July 27, 2020

Gananoque River: Gananoque Canoe Launch

Gananoque, Ontario, Canada

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: June 1, 2025

Lake Erie: Lake Erie north shore

Leamington, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 1, 2025
Monitored since: May 30, 2021

Lake George: Offshore sampling location

Ontario, Canada

Waterbody Type:
Lake
Last observed: June 1, 2025
Monitored since: May 30, 2023

River Hart: Hartfordbridge

Hook, England, United Kingdom

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: June 1, 2025

Blackwater River: Sandhurst Sewage Works

Camberley, England, United Kingdom

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: June 1, 2025

North Wey at Alton: Alton Flood Meadows, Downstream of footbridge

Alton, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: March 19, 2023

Lea (Old River Lea): Friends Bridge

London, Hackney, United Kingdom

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: July 31, 2021

Old Lea: Flood Relief Channel outflow

London, Waltham Forest, United Kingdom

Waterbody Type:
Unknown
Last observed: June 1, 2025
Monitored since: August 10, 2024

River Wey: Lower Neatham Mill

East Hampshire District, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: October 1, 2023

DuPage River: Canoe Launch at DuPage River Greenway

Bolingbrook, Illinois, United States

Waterbody Type:
River
Last observed: June 1, 2025
Monitored since: December 30, 2024

Lily Cache Creek: Lily Cache Creek at Rockhurst Rd

Bolingbrook, Illinois, United States

Waterbody Type:
Creek
Last observed: June 1, 2025
Monitored since: December 30, 2024