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

Shoal Creek: Shoal Creek

Dapp, Alberta, Canada

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

Pembina River: Pembina River

Flatbush, Alberta, Canada

Waterbody Type:
Unknown
Last observed: June 3, 2025
Monitored since: June 3, 2025

Woodland Rd. Creek: Woodland Rd. Creek

Saint Charles, Illinois, United States

Waterbody Type:
Creek
Last observed: June 3, 2025
Monitored since: November 24, 2023

Tawatinaw River: Tawatinaw River - Town of Athabasca

Athabasca, Alberta, Canada

Waterbody Type:
River
Last observed: June 2, 2025
Monitored since: July 31, 2023

Tawatinaw River: Tawatianw River Lagoon - Athabasca

Athabasca, Alberta, Canada

Waterbody Type:
Lagoon
Last observed: June 2, 2025
Monitored since: April 29, 2024

Concession 2 Bridge: Sutherland Creek

Ontario, Canada

Waterbody Type:
Creek
Last observed: June 2, 2025
Monitored since: May 31, 2022

Wellers Bay: End of squires st, consecon (prince edward), on, can

Consecon, Ontario, Canada

Waterbody Type:
Bay
Last observed: June 2, 2025
Monitored since: May 30, 2021

Ottawa River: Baie Haughton

Quebec, Canada

Waterbody Type:
River
Last observed: June 2, 2025
Monitored since: May 29, 2016

River Lea: Markfield Park (Stonebridge Brook) CSO

London, Haringey, United Kingdom

Waterbody Type:
River
Last observed: June 2, 2025
Monitored since: June 29, 2024

River Lea: Upstream of Markfield Park (Stonebridge Brook) CSO

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: June 2, 2025
Monitored since: June 29, 2024

Grass Creek /St. Lawrence River: Grass Creek Park

Kingston, Ontario, Canada

Waterbody Type:
Creek
Last observed: June 2, 2025
Monitored since: June 2, 2025

St. Lawrence River: Iroquois Beach

Iroquois, Ontario, Canada

Waterbody Type:
River
Last observed: June 2, 2025
Monitored since: May 6, 2025

Spencer Creek: Spencer Creek

Burlington, Ontario, Canada

Waterbody Type:
Creek
Last observed: June 1, 2025
Monitored since: October 3, 2023

Hamilton Harbour: Lasalle Park

Burlington, Ontario, Canada

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

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

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

Veteran Acres Pond: Veteran Acres - Sterne Woods (Oakwoods Lodge)

Crystal Lake, Illinois, United States

Waterbody Type:
Pond
Last observed: June 1, 2025
Monitored since: December 24, 2023