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

St. Lawrence River: Pointe Maligne Park

Ontario, Canada

Waterbody Type:
River
Last observed: October 6, 2024
Monitored since: October 6, 2024
1 Observations
0 Issues

St Lawrence River: Lamoureux Park Boat Ramp

Ontario, Canada

Waterbody Type:
River
Last observed: October 4, 2024
Monitored since: October 4, 2024
1 Observations
0 Issues

Fleuve Saint-Laurent: Fleuve Saint-Laurent

Montreal, Quebec, Canada

Waterbody Type:
Unknown
Last observed: October 4, 2024
Monitored since: October 4, 2024
1 Observations
0 Issues

Rideau River: The Swale

Smiths Falls, Ontario, Canada

Waterbody Type:
River
Last observed: October 3, 2024
Monitored since: September 28, 2024
1 Observations
0 Issues

Shuswap Lake: Christmas Island

British Columbia, Canada

Waterbody Type:
Lake
Last observed: October 3, 2024
Monitored since: October 3, 2024
1 Observations
0 Issues

Richelieu River: Richelieu River

Beloeil, Quebec, Canada

Waterbody Type:
River
Last observed: October 3, 2024
Monitored since: May 31, 2021
3 Observations
0 Issues

River Brent tributary: Northwick park Brook(Wealdstone Brook?)

London, Brent, United Kingdom

Waterbody Type:
Stream
Last observed: October 3, 2024
Monitored since: October 3, 2024
1 Observations
0 Issues

Small tributary to River Wey: Harrops 2

Blacknest, Hampshire, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: January 1, 2000
2 Observations
0 Issues

Turkey brook: Forty hill

Waltham Cross, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Buck Lake: Buck Lake

Ontario, Canada

Waterbody Type:
Lake
Last observed: October 2, 2024
Monitored since: October 12, 2023
2 Observations
0 Issues

Cuffley Brook: Cuffley Brook Downstream

Waltham Cross, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Turkey Brook: Cuffley brook upstream

London, Enfield, United Kingdom

Waterbody Type:
Bay
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

River Brent: Costons Weir Confluence

London, Ealing, United Kingdom

Waterbody Type:
River
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Costons Brook: Costons Brooks

London, Ealing, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Lilla Vartan: Stockholm waterfront

Stockholm, Stockholms län, Sweden

Waterbody Type:
River
Last observed: October 1, 2024
Monitored since: August 30, 2018
3 Observations
0 Issues

Ottawa River : Lavergne Bay and Lavergne Marsh

Ottawa, Ontario, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: July 22, 2013
33 Observations
0 Issues

Mouth of Madawaska River: Madawaska at Ottawa rivers

Arnprior, Ontario, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: May 24, 2014
35 Observations
1 Issues

Mississippi River: Near mouth

Ottawa, Ontario, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: May 24, 2014
30 Observations
0 Issues

Big Rideau Lake: Rideau Ferry Marina

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: June 8, 2005
35 Observations
0 Issues

Charleston Lake : Waterlilly Bay

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: June 28, 2020
2 Observations
0 Issues

Anglin lake: East of bridge

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: September 29, 2024
Monitored since: June 27, 2021
7 Observations
0 Issues