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?

8,081 locations

+129 new sample locations added in the past 30 days

Spring Brook Creek: Spring Brook Creek - N of Meacham Grove FP

Roselle, Illinois, United States

Waterbody Type:
Creek
Last observed: May 18, 2025
Monitored since: November 16, 2023

Summit Lake Headwaters (McVeigh Creek & Windsor Creek): Summit Lake Intake

Ontario, Canada

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

Wyndsor Lake/Nicho Lake CREEK : Wyndsor Lake Creek - Beaver Dam

Ontario, Canada

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

West Branch Du Page River: West Branch Du Page River

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: May 18, 2025
Monitored since: November 13, 2024

Nicho Lake: Nicho

Ontario, Canada

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

Smithy Lake: Smithy Lake Boat Launch(Northwest Shore) - Magino Mine Reference Lake

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 18, 2025
Monitored since: November 5, 2024

Mountain Lake Creek: Mountain Lake Creek

Ontario, Canada

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

Dreany Lake: Dreany Lake southwest location post culvert - Island Gold Mine Reference Lake

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 18, 2025
Monitored since: November 5, 2024

Folly Brook/Dollis Brook: Darlands Lake (Upstream)

London, Barnet, United Kingdom

Waterbody Type:
River
Last observed: May 18, 2025
Monitored since: May 21, 2023

Woodscreek : Woodscreek Park: 3 Pipe Inlet, Ackman Rd and Golf Course Rd, Crystal Lake, Il

Crystal Lake, Illinois, United States

Waterbody Type:
Creek
Last observed: May 17, 2025
Monitored since: November 27, 2024

Ogasiwi Creek @ HWY 651: Ogasiwi Creek @ HWY 651

Hawk Junction, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 17, 2025
Monitored since: May 6, 2025

Goldie River @ HWY 651: Goldie River @ HWY 651

Hawk Junction, Ontario, Canada

Waterbody Type:
River
Last observed: May 17, 2025
Monitored since: May 6, 2025

Windermere River: Windermere

Hawk Junction, Ontario, Canada

Waterbody Type:
River
Last observed: May 17, 2025
Monitored since: May 17, 2025

Michipicoten River @ HWY 101 (eastside under bridge): Michipicoten River @ HWY 101

Hawk Junction, Ontario, Canada

Waterbody Type:
River
Last observed: May 17, 2025
Monitored since: May 6, 2025

Jack Pine River @ HWY 651: Jack Pine

Hawk Junction, Ontario, Canada

Waterbody Type:
River
Last observed: May 17, 2025
Monitored since: May 17, 2025

Duck pond: Bellevue Park duck pond

Ontario, Canada

Waterbody Type:
Pond
Last observed: May 17, 2025
Monitored since: February 22, 2024

Rouge River: Rouge River

Quebec, Canada

Waterbody Type:
River
Last observed: May 17, 2025
Monitored since: July 27, 2024

Salt Creek: Meeker Bridge

Warkworth, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 17, 2025
Monitored since: May 13, 2025

Dog Lake : MartinVille (MV-WM-C

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 17, 2025
Monitored since: July 18, 2022

Stream: Bayou Path Dr Stream in Atwater Subdivision

Naperville, Illinois, United States

Waterbody Type:
Stream
Last observed: May 17, 2025
Monitored since: December 21, 2023

Dog lake: IVC-WM-A

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 17, 2025
Monitored since: July 20, 2022