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?

8,229 locations

+32 new sample locations added in the past 30 days

Pond: Chinbrook wetlands outlet pond

London, Bromley, United Kingdom

Waterbody Type:
Wetland
Last observed: September 5, 2025
Monitored since: October 27, 2024
7 Observations
0 Issues

Pond: Chinbrook wetlands inlet pond

London, Bromley, United Kingdom

Waterbody Type:
Wetland
Last observed: September 5, 2025
Monitored since: October 27, 2024
7 Observations
0 Issues

Lagoon: Lagoon output off Peachy Street

Ontario, Canada

Waterbody Type:
Stream
Last observed: September 4, 2025
Monitored since: May 1, 2025
15 Observations
0 Issues

Lake Erie: Near Port Dover Marina

Port Dover, Ontario, Canada

Waterbody Type:
Lake
Last observed: September 2, 2025
Monitored since: July 10, 2021
20 Observations
1 Issues

Moira Lake: Kiwanis Boat Launch off Hwy 62 S of Madoc

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 2, 2025
Monitored since: November 27, 2017
21 Observations
0 Issues

McGregor Bay: Hiawatha

Ontario, Canada

Waterbody Type:
Bay
Last observed: September 2, 2025
Monitored since: July 27, 2023
7 Observations
0 Issues

Mcregor Bay: Steamboat Channel

Ontario, Canada

Waterbody Type:
Bay
Last observed: September 2, 2025
Monitored since: August 2, 2023
5 Observations
0 Issues

Silver Lake: Outlet to Silver Lake Creek at Silver Lake Provincial Park

Maberly, Ontario, Canada

Waterbody Type:
Lake
Last observed: September 2, 2025
Monitored since: May 16, 2018
14 Observations
0 Issues

Lac Achigan: Fosse A1

Quebec, Canada

Waterbody Type:
Lake
Last observed: September 2, 2025
Monitored since: May 1, 2007
89 Observations
0 Issues

Silver Lake: Inlet from Silver 7 Creek

Maberly, Ontario, Canada

Waterbody Type:
Lake
Last observed: September 2, 2025
Monitored since: May 16, 2018
16 Observations
0 Issues

Silver lake: East Transect at mid

Maberly, Ontario, Canada

Waterbody Type:
Lake
Last observed: September 2, 2025
Monitored since: October 20, 2021
6 Observations
0 Issues

Desbarats Lake: Desbarats Lake off boat ramp

Ontario, Canada

Waterbody Type:
Unknown
Last observed: September 2, 2025
Monitored since: June 19, 2022
18 Observations
0 Issues

Ottawa River: Upstream of Portage-du-Fort

Quebec, Canada

Waterbody Type:
River
Last observed: September 2, 2025
Monitored since: September 14, 2013
37 Observations
0 Issues

Desbarats River: Municipal Dock

Ontario, Canada

Waterbody Type:
River
Last observed: September 2, 2025
Monitored since: May 30, 2022
24 Observations
0 Issues

Anderson Creek: Old Bridge

Ontario, Canada

Waterbody Type:
Creek
Last observed: September 1, 2025
Monitored since: May 30, 2022
21 Observations
0 Issues

Saint Lawrence River: Bergin Island

Long Sault, Ontario, Canada

Waterbody Type:
River
Last observed: September 1, 2025
Monitored since: September 1, 2025
1 Observations
0 Issues

McGregor Bay: Parish Docks

Whitefish Falls, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 1, 2025
Monitored since: May 22, 2023
6 Observations
0 Issues

Mcregor Bay: "California Bay"

Ontario, Canada

Waterbody Type:
Bay
Last observed: September 1, 2025
Monitored since: August 2, 2023
5 Observations
0 Issues

McGregor Bay: Harrison Rock

Whitefish Falls, Ontario, Canada

Waterbody Type:
Channel
Last observed: September 1, 2025
Monitored since: July 27, 2023
7 Observations
0 Issues

Jackfish Lake: Jackfish Lake

Kamsack, Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: September 1, 2025
Monitored since: June 27, 2025
3 Observations
0 Issues

Madge Lake: Jubilee Park dock

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: September 1, 2025
Monitored since: May 27, 2022
21 Observations
0 Issues