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

+40 new sample locations added in the past 30 days

Little Basswood Lake: Little Basswood Lake Park and Boat Launch

Thessalon, Ontario, Canada

Waterbody Type:
Lake
Last observed: July 29, 2025
Monitored since: June 2, 2025
4 Observations
0 Issues

Lac Lemoine: Rampe de mise à l'eau Goldex

Quebec, Canada

Waterbody Type:
Lake
Last observed: July 29, 2025
Monitored since: June 27, 2021
18 Observations
0 Issues

Rivière Piché : Chemin des explorateurs ( petit quais à côté du pont )

Quebec, Canada

Waterbody Type:
River
Last observed: July 29, 2025
Monitored since: June 28, 2021
22 Observations
1 Issues

St Mary’s River: Turtle Rock Preserve 2.0

Desbarats, Ontario, Canada

Waterbody Type:
River
Last observed: July 29, 2025
Monitored since: June 1, 2025
3 Observations
0 Issues

Hogsmill: Saipem S3 - Chapel Mill Road

London, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: July 29, 2025
Monitored since: April 3, 2025
4 Observations
0 Issues

Gledhow Beck: Allerton Park CSO - above

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: July 29, 2025
Monitored since: September 24, 2023
23 Observations
0 Issues

Glassmill Pond: Mill Vale Outfall

London, Bromley, United Kingdom

Waterbody Type:
Pond
Last observed: July 29, 2025
Monitored since: May 28, 2024
14 Observations
1 Issues

Ravensbourne: Glassmill Pond inlet

London, Bromley, United Kingdom

Waterbody Type:
Pond
Last observed: July 29, 2025
Monitored since: November 7, 2023
21 Observations
0 Issues

Gledhow Beck: Allerton Park CSO - below

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: July 29, 2025
Monitored since: September 24, 2023
23 Observations
0 Issues

Gledhow Beck: Gledhow Lane CSO - above

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: July 29, 2025
Monitored since: September 24, 2023
23 Observations
0 Issues

Gledhow Beck: Gledhow Lane CSO - below

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: July 29, 2025
Monitored since: September 24, 2023
23 Observations
0 Issues

Canal Beaudet, 302 chemin du fleuve: Canal Beaudet

Coteau Du Lac, Quebec, Canada

Waterbody Type:
Canal
Last observed: July 28, 2025
Monitored since: June 30, 2025
2 Observations
0 Issues

Lac McGlashan: Center of Lake McGlashan, deepest point

Val Des Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 28, 2025
Monitored since: May 16, 2003
67 Observations
0 Issues

Lac McGregor: Fosse MG4

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 28, 2025
Monitored since: June 12, 2021
30 Observations
0 Issues

Eight Mile Creek: 8 mile creek at Firelane 14e Rd

Ontario, Canada

Waterbody Type:
Creek
Last observed: July 28, 2025
Monitored since: January 26, 2025
2 Observations
0 Issues

Wellers bay Consecon: Wellers bay east shore

Consecon, Ontario, Canada

Waterbody Type:
Bay
Last observed: July 28, 2025
Monitored since: July 28, 2025
1 Observations
0 Issues

Belle River: Belle River - Munns Rd

Belle River, Prince Edward Island, Canada

Waterbody Type:
River
Last observed: July 28, 2025
Monitored since: May 26, 2025
3 Observations
0 Issues

River Wey: River Wey - Godalming by duck feeding platform

Godalming, Surrey, United Kingdom

Waterbody Type:
River
Last observed: July 28, 2025
Monitored since: May 28, 2022
18 Observations
0 Issues

McGregor Bay: Blasted Channel

Ontario, Canada

Waterbody Type:
Bay
Last observed: July 28, 2025
Monitored since: May 22, 2023
6 Observations
0 Issues

Iroquois Bay: Entrance to Iroquois Bay

Ontario, Canada

Waterbody Type:
Bay
Last observed: July 28, 2025
Monitored since: May 22, 2023
4 Observations
0 Issues

Iroquois Bay: Iroquois Bay

Ontario, Canada

Waterbody Type:
Bay
Last observed: July 28, 2025
Monitored since: May 22, 2023
2 Observations
0 Issues