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?

8,175 locations

+102 new sample locations added in the past 30 days

Lac Dodds: Fosse DO1

Quebec, Canada

Waterbody Type:
Lake
Last observed: June 11, 2025
Monitored since: June 8, 2021
15 Observations
0 Issues

Lac Houston: Lac Houston

Quebec, Canada

Waterbody Type:
Lake
Last observed: June 11, 2025
Monitored since: June 9, 2024
6 Observations
0 Issues

Broomfield Park Middle Lake: North Inlet

London, England, United Kingdom

Waterbody Type:
Lake
Last observed: June 11, 2025
Monitored since: June 11, 2025
1 Observations
0 Issues

Hogsmill: Saipem S1 - Kingston Chamber of Commerce

London, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: June 11, 2025
Monitored since: March 12, 2025
5 Observations
0 Issues

Lake Ontario: Small's Creek Upstream

Toronto, Ontario, Canada

Waterbody Type:
Creek
Last observed: June 11, 2025
Monitored since: September 15, 2024
2 Observations
0 Issues

Lake Ontario: Small's Creek

Toronto, Ontario, Canada

Waterbody Type:
Creek
Last observed: June 11, 2025
Monitored since: September 15, 2024
2 Observations
0 Issues

Lake Ontario: The Beaches

Toronto, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 11, 2025
Monitored since: September 12, 2024
2 Observations
0 Issues

Lake Ontario: Glen Stewart Ravine

Toronto, Ontario, Canada

Waterbody Type:
Stream
Last observed: June 11, 2025
Monitored since: September 12, 2024
2 Observations
0 Issues

Little Basswood Lake: Little Basswood Lake Park and Boat Launch

Thessalon, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 10, 2025
Monitored since: June 10, 2025
1 Observations
0 Issues

Red Rock Lake: Red Rock Lake

Iron Bridge, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 10, 2025
Monitored since: June 10, 2025
1 Observations
0 Issues

Mississagi River: Mississagi River (Centennial Boat Launch)

Iron Bridge, Ontario, Canada

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

Pinecrest creek : Pinecrest creek near hanlon ave

Ottawa, Ontario, Canada

Waterbody Type:
Bay
Last observed: June 10, 2025
Monitored since: June 10, 2025
1 Observations
0 Issues

Lac McMullin: Fosse MU1

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: June 10, 2025
Monitored since: January 1, 2015
20 Observations
0 Issues

Dollis Brook: Quinta Open Space

London, Barnet, United Kingdom

Waterbody Type:
Stream
Last observed: June 10, 2025
Monitored since: November 7, 2024
7 Observations
0 Issues

Anglin Lake: Anglin Lake

Saskatchewan, Canada

Waterbody Type:
Unknown
Last observed: June 9, 2025
Monitored since: July 29, 2023
2 Observations
0 Issues

Lac McArthur: Fosse MA1

Val Des Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: June 9, 2025
Monitored since: April 28, 2007
44 Observations
0 Issues

Lac McArthur: Lac McArthur

Val Des Monts, Quebec, Canada

Waterbody Type:
Unknown
Last observed: June 9, 2025
Monitored since: June 9, 2025
1 Observations
0 Issues

Yeading Brook : Yeading Walk

London, Harrow, United Kingdom

Waterbody Type:
Stream
Last observed: June 9, 2025
Monitored since: April 12, 2024
11 Observations
0 Issues

St Lawrence river: St Lawrence river

Ontario, Canada

Waterbody Type:
River
Last observed: June 8, 2025
Monitored since: August 3, 2024
13 Observations
0 Issues

Lac Vert: Fosse V1

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: June 8, 2025
Monitored since: January 1, 2017
18 Observations
0 Issues

Bras d'Or Lake: Iona Port

Iona, Nova Scotia, Canada

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