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

River Wey: Hamptons 2

Godalming, England, United Kingdom

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

River Wey: Hamptons 1

Godalming, England, United Kingdom

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

River Wey: Thundry Meadow

Farnham, England, United Kingdom

Waterbody Type:
River
Last observed: July 7, 2025
Monitored since: November 29, 2024
2 Observations
0 Issues

Echo Lake: Dock

Fort Qu'Appelle, Saskatchewan, Canada

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

Lac Brassard: Fosse BR1

Quebec, Canada

Waterbody Type:
Lake
Last observed: July 6, 2025
Monitored since: June 9, 2021
19 Observations
0 Issues

Grand River: Pioneer Tower Bridge

Kitchener, Ontario, Canada

Waterbody Type:
River
Last observed: July 6, 2025
Monitored since: January 19, 2025
4 Observations
0 Issues

Smiths Bay on Lake Ontario: Smiths Bay

Ontario, Canada

Waterbody Type:
Lake
Last observed: July 6, 2025
Monitored since: November 5, 2019
36 Observations
0 Issues

Maitland River: Riverside

Goderich, Ontario, Canada

Waterbody Type:
River
Last observed: July 6, 2025
Monitored since: July 6, 2025
1 Observations
0 Issues

Lac Saint-Pierre: Fosse SP3

Val-des-Monts, Quebec, Canada

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

Lac Saint-Pierre: Fosse SP1

Val-des-Monts, Quebec, Canada

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

Pond at McCauley Mountain Conservation Area: Birdhouse City Pond

Picton, Ontario, Canada

Waterbody Type:
Pond
Last observed: July 5, 2025
Monitored since: May 29, 2019
45 Observations
0 Issues

Picton Harbour on Lake Ontario: Picton Harbour at Mouth of Marsh Creek

Picton, Ontario, Canada

Waterbody Type:
Lake
Last observed: July 5, 2025
Monitored since: July 4, 2018
53 Observations
2 Issues

Maitland River: Little Falls

Goderich, Ontario, Canada

Waterbody Type:
River
Last observed: July 5, 2025
Monitored since: July 5, 2025
1 Observations
0 Issues

River Brent: Clitheroe Island - Boston Manor Park

London, Hounslow, United Kingdom

Waterbody Type:
River
Last observed: July 5, 2025
Monitored since: October 1, 2024
9 Observations
0 Issues

River Brent: Duckweir - Clitheroe Island - Boston Manor Park

London, Hounslow, United Kingdom

Waterbody Type:
Unknown
Last observed: July 5, 2025
Monitored since: October 1, 2024
9 Observations
0 Issues

Brent River: Brent_41 Union Canal Towpath

London, Ealing, United Kingdom

Waterbody Type:
River
Last observed: July 5, 2025
Monitored since: February 1, 2025
6 Observations
0 Issues

Lac McGlashan: Entrance near road run-off

Val Des Monts, Quebec, Canada

Waterbody Type:
Unknown
Last observed: July 4, 2025
Monitored since: May 1, 2025
6 Observations
0 Issues

Black River: Black River outflow to Lake Ontario

Milford, Ontario, Canada

Waterbody Type:
River
Last observed: July 4, 2025
Monitored since: April 13, 2017
69 Observations
1 Issues

Big Rideau Lake: Lombardy

Ontario, Canada

Waterbody Type:
Lake
Last observed: July 4, 2025
Monitored since: May 19, 2018
10 Observations
0 Issues

Creek leading to South Bay on Lake Ontario: South Bay Cres Public Boat Launch

Milford, Ontario, Canada

Waterbody Type:
Creek
Last observed: July 4, 2025
Monitored since: March 28, 2018
52 Observations
0 Issues

Gatineau River: Gatineau River - rue Jacques Cartier / rue Blais

Gatineau, Quebec, Canada

Waterbody Type:
River
Last observed: July 4, 2025
Monitored since: October 31, 2017
3 Observations
0 Issues