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?

8,226 locations

+33 new sample locations added in the past 30 days

SW wetland: Watling Wetland Cell 5

Edgware, England, United Kingdom

Waterbody Type:
Unknown
Last observed: June 19, 2025
Monitored since: June 19, 2025

SW wetland: Watling Wetland Cell 2

Edgware, England, United Kingdom

Waterbody Type:
Wetland
Last observed: June 19, 2025
Monitored since: June 19, 2025

Lac Otis: 634 Sentier Potvin

Saint Félix D'Otis, Quebec, Canada

Waterbody Type:
Lake
Last observed: June 18, 2025
Monitored since: June 18, 2025

St. Lawrence River: Cornwall Harbour Bay

Cornwall, Ontario, Canada

Waterbody Type:
Unknown
Last observed: June 18, 2025
Monitored since: June 18, 2025

Sweltzer Creek: Sweltzer Creek Inlet

Cultus Lake, British Columbia, Canada

Waterbody Type:
Creek
Last observed: June 18, 2025
Monitored since: May 30, 2022

River of Golden DReams: fish ladder

Whistler, British Columbia, Canada

Waterbody Type:
Creek
Last observed: June 17, 2025
Monitored since: May 31, 2023

Wood Creek: Wood Creek

Bainsville, Ontario, Canada

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

Little River Reservoir: The Rez

Saint John, New Brunswick, Canada

Waterbody Type:
Lake
Last observed: June 17, 2025
Monitored since: June 3, 2024

Silver Lake: NorthEast Quadrant of Silver Lake

Maberly, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 16, 2025
Monitored since: June 10, 2018

Silver Lake: East transect street middle

Maberly, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 16, 2025
Monitored since: September 8, 2022

Pike Lake: Boat Launch

Saskatchewan, Canada

Waterbody Type:
Unknown
Last observed: June 16, 2025
Monitored since: September 27, 2024

Ottawa River: Upstream of Ile du Rocher Fendu

Ontario, Canada

Waterbody Type:
River
Last observed: June 16, 2025
Monitored since: September 14, 2013

Herman Lake Narrows South Side: Herman Lake Narrows South Side

Ontario, Canada

Waterbody Type:
Lake
Last observed: June 16, 2025
Monitored since: June 16, 2025

Garden River: Upper Garden River

Ontario, Canada

Waterbody Type:
River
Last observed: June 16, 2025
Monitored since: June 4, 2024

Tay River: Last Duel Park

Perth, Ontario, Canada

Waterbody Type:
River
Last observed: June 16, 2025
Monitored since: June 16, 2025

Otto Lake - Herman Lake Narrows: Magino Mine Effluent Tracking

Ontario, Canada

Waterbody Type:
Lake
Last observed: June 16, 2025
Monitored since: November 5, 2024

Half Lake: Half Lake @ HWY651

Chapleau, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 15, 2025
Monitored since: June 15, 2025

Hand Lake @ HWY651: Hand Lake @ HWY 651

Chapleau, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 15, 2025
Monitored since: May 6, 2025

Bolkow Lake - Boat Launch: Bolkow Lake - Boat Launch - South Shore

Ontario, Canada

Waterbody Type:
Lake
Last observed: June 15, 2025
Monitored since: September 25, 2024

Ogasiwi Creek @ HWY 651: Ogasiwi Creek @ HWY 651

Hawk Junction, Ontario, Canada

Waterbody Type:
Creek
Last observed: June 15, 2025
Monitored since: May 6, 2025

2e lac Rondeau: 2e lac Rondeau

Quebec, Canada

Waterbody Type:
Lake
Last observed: June 15, 2025
Monitored since: May 20, 2024