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?

8,213 locations

+53 new sample locations added in the past 30 days

Dog Lake : MartinVille (MV-WM-C

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 16, 2025
Monitored since: July 18, 2022
16 Observations
0 Issues

Dog lake: IVC-WM-A

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 16, 2025
Monitored since: July 20, 2022
14 Observations
0 Issues

Lac Gilmour: Fosse GM1

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 16, 2025
Monitored since: January 1, 2015
32 Observations
0 Issues

Eskay Lake: Eskay lake boat launch (EL-WM—B)

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 16, 2025
Monitored since: July 21, 2022
15 Observations
0 Issues

Dollis Brook: Windsor Open Space - Village Road Outfall

London, England, United Kingdom

Waterbody Type:
River
Last observed: August 16, 2025
Monitored since: July 15, 2025
2 Observations
0 Issues

Moselle Brook: Lordship Recreation Ground (Downstream)

London, Haringey, United Kingdom

Waterbody Type:
Stream
Last observed: August 16, 2025
Monitored since: April 20, 2024
13 Observations
0 Issues

St. Marys River: Bellevue Park Topsail Island

Ontario, Canada

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: February 22, 2024
47 Observations
0 Issues

St Marys River: Bellevue Marina

Sault Ste. Marie, Ontario, Canada

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: April 27, 2025
10 Observations
0 Issues

Bowker Creek: Pedestrian bridge at Wordsworth

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: August 15, 2025
Monitored since: October 8, 2024
44 Observations
0 Issues

Bowker Creek : Browning/mcrae

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: August 15, 2025
Monitored since: December 22, 2024
22 Observations
0 Issues

St Lawrence River: St Lawrence River

Gananoque, Ontario, Canada

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: August 15, 2025
1 Observations
0 Issues

Bowker Creek: Browning Park

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: August 15, 2025
Monitored since: February 16, 2024
89 Observations
0 Issues

Lac Grand: Fosse G1

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: June 9, 2021
33 Observations
0 Issues

Lac Grand: Fosse G2

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: June 9, 2021
31 Observations
0 Issues

Lac Grand: Fosse G3

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: June 9, 2021
30 Observations
0 Issues

Lac à la balle : Lac à la balle

Saint Félix D'Otis, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: August 15, 2025
1 Observations
0 Issues

The Ching: Whitehall Plain

Buckhurst Hill, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: August 15, 2025
Monitored since: July 14, 2024
38 Observations
0 Issues

Mississippi Lake: Mississippi Lake - by Willis Island

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: June 23, 2020
58 Observations
0 Issues

Lake Huron: Barabara Rd at Lake Huron

Thessalon, Ontario, Canada

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: May 2, 2025
14 Observations
0 Issues

Mississippi Lake: Sinclair Shore - Dock

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: June 16, 2020
60 Observations
0 Issues

St Marys River: Whitefish Island East Viewing Platform

Sault Ste. Marie, Ontario, Canada

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: March 12, 2025
8 Observations
0 Issues