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

+0 new sample locations added in the past 30 days

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

Grand River: Port Maitland Esplanade Park and Pier

Dunnville, Ontario, Canada

Waterbody Type:
River
Last observed: July 8, 2025
Monitored since: October 29, 2024
5 Observations
0 Issues

Lac McFee: Fosse MF3

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 8, 2025
Monitored since: June 6, 2021
14 Observations
0 Issues

Lac McArthur: Fosse MA1

Val Des Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 8, 2025
Monitored since: April 28, 2007
47 Observations
0 Issues

Lac à la Perdrix: Fosse PER1

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 8, 2025
Monitored since: January 1, 2015
31 Observations
0 Issues

Lac à la balle : Lac à la balle

Saint Félix D'Otis, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 8, 2025
Monitored since: June 7, 2025
4 Observations
0 Issues

St Lawrence River: K0C1E0

Ontario, Canada

Waterbody Type:
River
Last observed: July 8, 2025
Monitored since: April 3, 2021
3 Observations
0 Issues

Meadowbrook stream : Stream testing site

Sydney, Nova Scotia, Canada

Waterbody Type:
Stream
Last observed: July 7, 2025
Monitored since: July 31, 2024
7 Observations
0 Issues

Tawatinaw Lake: Tawatinaw Valley Retreat dock

Alberta, Canada

Waterbody Type:
Lake
Last observed: July 7, 2025
Monitored since: August 3, 2023
10 Observations
0 Issues

Big Rideau Lake: Cormorant Island

Portland, Ontario, Canada

Waterbody Type:
Lake
Last observed: July 7, 2025
Monitored since: June 8, 2018
24 Observations
0 Issues

Massassauga Marsh: First Bridge on County Rd 28

Ontario, Canada

Waterbody Type:
Wetland
Last observed: July 7, 2025
Monitored since: July 10, 2019
42 Observations
1 Issues

Moira River: Victoria Park & Harbour. Mouth of Moira River entering the Bay of Quinte

Belleville, Ontario, Canada

Waterbody Type:
River
Last observed: July 7, 2025
Monitored since: May 16, 2019
42 Observations
0 Issues

Lake Ontario Bay of Quinte: East Bayshore Waterfront Park and Herchimer Rd Boat Launch in Belleville

Ontario, Canada

Waterbody Type:
Lake
Last observed: July 7, 2025
Monitored since: June 22, 2017
56 Observations
0 Issues

Bagmoor Tributary: Bagmoor Common

Godalming, England, United Kingdom

Waterbody Type:
Stream
Last observed: July 7, 2025
Monitored since: July 7, 2025
1 Observations
0 Issues