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

Barnes Pond: Barnes Pond

London, Richmond upon Thames, United Kingdom

Waterbody Type:
Pond
Last observed: July 10, 2025
Monitored since: April 24, 2024
5 Observations
0 Issues

Beverley Brook: Barnes Common Riverfly Site

London, Richmond upon Thames, United Kingdom

Waterbody Type:
River
Last observed: July 10, 2025
Monitored since: March 27, 2024
5 Observations
0 Issues

St. Lawrence: Summerstown

Cornwall, Ontario, Canada

Waterbody Type:
River
Last observed: July 10, 2025
Monitored since: July 10, 2025
1 Observations
0 Issues

Lac Vert: Fosse V1

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 9, 2025
Monitored since: January 1, 2017
20 Observations
0 Issues

Lac McMullin: Fosse MU1

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 9, 2025
Monitored since: January 1, 2015
23 Observations
0 Issues

Lac Dodds: Fosse DO1

Quebec, Canada

Waterbody Type:
Lake
Last observed: July 9, 2025
Monitored since: June 8, 2021
18 Observations
0 Issues

Lac Houston: Lac Houston

Quebec, Canada

Waterbody Type:
Lake
Last observed: July 9, 2025
Monitored since: June 9, 2024
9 Observations
0 Issues

Lac Dodds: Fosse DO2

Quebec, Canada

Waterbody Type:
Lake
Last observed: July 9, 2025
Monitored since: July 7, 2021
13 Observations
0 Issues

Turkey brook: Hillyfields park

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: July 9, 2025
Monitored since: October 2, 2024
4 Observations
0 Issues

Réservoir du Poisson Blanc: 31-Le Paradis

Notre Dame Du Laus, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 9, 2025
Monitored since: July 9, 2025
1 Observations
0 Issues

St Lawrence River: St Lawrence

Cornwall, Ontario, Canada

Waterbody Type:
Unknown
Last observed: July 8, 2025
Monitored since: July 8, 2025
1 Observations
0 Issues

St. Lawrence River: St.Lawrence River

Ontario, Canada

Waterbody Type:
River
Last observed: July 8, 2025
Monitored since: April 9, 2025
3 Observations
0 Issues

St.Lawrence River: Inlet between River Institute and L’Heritage High School

Ontario, Canada

Waterbody Type:
River
Last observed: July 8, 2025
Monitored since: September 16, 2019
89 Observations
0 Issues

St. Lawrence river : River institute inlet

Cornwall, Ontario, Canada

Waterbody Type:
River
Last observed: July 8, 2025
Monitored since: July 8, 2025
1 Observations
0 Issues

St Lawrence River: River Institute Inlet

Cornwall, Ontario, Canada

Waterbody Type:
River
Last observed: July 8, 2025
Monitored since: July 8, 2025
1 Observations
0 Issues

St.Lawrence River : River Institute Inlet

Cornwall, Ontario, Canada

Waterbody Type:
Bay
Last observed: July 8, 2025
Monitored since: July 8, 2025
1 Observations
0 Issues

Kraft Drain: Kraft Drain at friendship trail

Fort Erie, Ontario, Canada

Waterbody Type:
Stream
Last observed: July 8, 2025
Monitored since: July 8, 2025
1 Observations
0 Issues

Lake on the Mountain: near Glenora, Prince Edward County

Adolphustown, Ontario, Canada

Waterbody Type:
Lake
Last observed: July 8, 2025
Monitored since: July 29, 2017
54 Observations
0 Issues

Southmere Lake: Southmere Lake - north inflow

London, Bexley, United Kingdom

Waterbody Type:
Lake
Last observed: July 8, 2025
Monitored since: April 25, 2024
5 Observations
0 Issues

Welland Canal: Port Colborne at the entrance from Lake Erie

Port Colborne, Ontario, Canada

Waterbody Type:
Canal
Last observed: July 8, 2025
Monitored since: December 3, 2021
10 Observations
0 Issues

Lake: Southmere Lake Inlet

London, Bexley, United Kingdom

Waterbody Type:
Lake
Last observed: July 8, 2025
Monitored since: February 28, 2025
4 Observations
0 Issues