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?
8,239 locations
+7 new sample locations added in the past 30 days
Wyke Beck: Halton Moor Cartmell Drive
Leeds, England, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: May 28, 2025
Wyke Beck: Killingbeck Fields, Weir
Leeds, England, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: May 28, 2025
Wyke Beck: Wyke Beck Fearnville Playing Fields
Leeds, England, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: May 28, 2025
Wyke Beck: Wyke Beck Arthur's Rein South Parkway
Leeds, England, United Kingdom
Waterbody Type:River
Last observed: June 30, 2025 Monitored since: May 28, 2025
Cobblers Brook: Cobblers Brook at Vachery
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: June 30, 2025 Monitored since: November 27, 2023
Thornhurst Brook: Thornhurst Brook at Vachery
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: June 30, 2025 Monitored since: November 27, 2023
Lac: Lac Tiblemont
Senneterre, Quebec, Canada
Waterbody Type:Lake
Last observed: June 30, 2025 Monitored since: May 25, 2025
Lake St. Clair: Windsor
Tecumseh, Ontario, Canada
Waterbody Type:Lake
Last observed: June 29, 2025 Monitored since: July 7, 2020
Welland Canal: Welland Canal at Port Robinson Ferry
Port Robinson, Ontario, Canada
Waterbody Type:Canal
Last observed: June 29, 2025 Monitored since: December 30, 2024
Rideau River : Rideau River under Cummings Bridge
Ottawa, Ontario, Canada
Waterbody Type:River
Last observed: June 29, 2025 Monitored since: September 29, 2024
Welland River: Welland River, River Rd, EC Brown Conservation Area
Ontario, Canada
Waterbody Type:River
Last observed: June 29, 2025 Monitored since: December 29, 2024
Welland River, River Rd Parkette: Welland River, River Rd Parkette
Welland, Ontario, Canada
Waterbody Type:River
Last observed: June 29, 2025 Monitored since: December 29, 2024
Lake Erie: Small Beach
Crystal Beach, Ontario, Canada
Waterbody Type:Lake
Last observed: June 29, 2025 Monitored since: June 16, 2021
Lake Gibson: Mel Swart Lake Gibson Conservation Park
Thorold, Ontario, Canada
Waterbody Type:Lake
Last observed: June 29, 2025 Monitored since: May 25, 2025
Black Creek: Stevensville Conservation Area
Ontario, Canada
Waterbody Type:Creek
Last observed: June 29, 2025 Monitored since: November 26, 2024
Black Creek: Black Creek footbridge from Shagbark Lane (Downstream)
Ontario, Canada
Waterbody Type:Creek
Last observed: June 29, 2025 Monitored since: October 29, 2024
Indian Creek: @ Greenwood drive pedestrian bridge
Burlington, Ontario, Canada
Waterbody Type:Creek
Last observed: June 29, 2025 Monitored since: October 29, 2024
Indian Creek: @ Greenwood Drive after confluence with Hagar Creek
Burlington, Ontario, Canada
Waterbody Type:Creek
Last observed: June 29, 2025 Monitored since: October 29, 2024
Cranleigh Waters: Park Drive
Cranleigh, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: June 29, 2025 Monitored since: April 1, 2024
Meanwood Beck: B3
Leeds, Leeds, United Kingdom
Waterbody Type:Stream
Last observed: June 29, 2025 Monitored since: October 27, 2024