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?

8,238 locations

+8 new sample locations added in the past 30 days

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

St Lawrence River: St Lawrence River near Windsor Lane

Gananoque, Ontario, Canada

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

Big Carp River: Big Carp River Herkimer Rd

Ontario, Canada

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: March 1, 2024
40 Observations
0 Issues

Little Carp River: Little Carp River Carpin Beach Rd

Ontario, Canada

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: March 1, 2024
37 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

The Ching: Folly Lane EA monitoring point

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: August 15, 2025
Monitored since: March 23, 2025
20 Observations
0 Issues

The Ching: Highams Park Lake

London, Waltham Forest, United Kingdom

Waterbody Type:
Lake
Last observed: August 15, 2025
Monitored since: January 17, 2024
64 Observations
0 Issues

River Ching: Whitehall Outfall 5b

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: March 14, 2025
22 Observations
0 Issues

River Ching: Whitehall Outfall 5a

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
River
Last observed: August 15, 2025
Monitored since: March 14, 2025
22 Observations
0 Issues

The Ching: 9 Gordon Ave E4

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: August 15, 2025
Monitored since: November 16, 2023
64 Observations
0 Issues

The Ching: Beech Hall

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: August 15, 2025
Monitored since: December 8, 2023
52 Observations
0 Issues

St. Lawrence: Summerstown

Cornwall, Ontario, Canada

Waterbody Type:
Unknown
Last observed: August 15, 2025
Monitored since: July 11, 2025
14 Observations
0 Issues

Lake Superior: Gros Cap - Lake Superior

Ontario, Canada

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

St Marys River: Pointe Des Chenes

Ontario, Canada

Waterbody Type:
River
Last observed: August 14, 2025
Monitored since: March 2, 2025
11 Observations
0 Issues

Lac Pajegasque: Lac Pajegasque

Beaucanton, Quebec, Canada

Waterbody Type:
Unknown
Last observed: August 14, 2025
Monitored since: June 7, 2025
6 Observations
0 Issues

Rideau River: Merrickville Fairgrounds - Rideau River

Merrickville, Ontario, Canada

Waterbody Type:
Unknown
Last observed: August 14, 2025
Monitored since: August 14, 2025
1 Observations
0 Issues