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

+1 new sample locations added in the past 30 days

Hogsmill: Berrylands Bridge

London, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: October 9, 2025
Monitored since: June 20, 2024
13 Observations
0 Issues

Faucet: Claire’s fav water

Campbellville, Ontario, Canada

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

Sink: Drinking water

Campbellville, Ontario, Canada

Waterbody Type:
Bay
Last observed: October 8, 2025
Monitored since: October 8, 2025
1 Observations
0 Issues

Water fountain: Water fountain at big gym

Milton, Ontario, Canada

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

Lake Ontario: Gairloch Gardens

Oakville, Ontario, Canada

Waterbody Type:
Lake
Last observed: October 6, 2025
Monitored since: October 6, 2025
1 Observations
0 Issues

Georgian Bay: Dyers Bay

Ontario, Canada

Waterbody Type:
Bay
Last observed: October 6, 2025
Monitored since: May 23, 2022
16 Observations
0 Issues

Lake Erie: Near Port Dover Marina

Port Dover, Ontario, Canada

Waterbody Type:
Lake
Last observed: October 5, 2025
Monitored since: July 10, 2021
21 Observations
1 Issues

River Wey: Mayfield Road

Weybridge, Surrey, United Kingdom

Waterbody Type:
River
Last observed: October 5, 2025
Monitored since: March 27, 2025
5 Observations
0 Issues

Lac Barns, Val des Monts: Lac Barnes,

Quebec, Canada

Waterbody Type:
Lake
Last observed: October 5, 2025
Monitored since: June 30, 2024
13 Observations
0 Issues

Lac Otis: Lac Otis

Saint Félix D'Otis, Quebec, Canada

Waterbody Type:
Lake
Last observed: October 4, 2025
Monitored since: October 4, 2025
1 Observations
0 Issues

Bowker Creek: 3.5 Oak Bay High

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: October 4, 2025
Monitored since: November 16, 2021
82 Observations
1 Issues

Bowker Creek: 3.4 Duck Ponds

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: October 4, 2025
Monitored since: November 16, 2021
80 Observations
0 Issues

River Teise: Lamberhurst 2

Tunbridge Wells, England, United Kingdom

Waterbody Type:
River
Last observed: October 3, 2025
Monitored since: May 26, 2025
5 Observations
0 Issues

Bounds Green Brook: Hobart Corner

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: October 3, 2025
Monitored since: July 14, 2025
4 Observations
0 Issues

Lac Achigan: Fosse A1

Quebec, Canada

Waterbody Type:
Lake
Last observed: October 2, 2025
Monitored since: May 1, 2007
91 Observations
0 Issues

Raisin river: Bend near church

St. Andrews West, Ontario, Canada

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

Mississippi Lake: Ikwe Pt

Ontario, Canada

Waterbody Type:
Unknown
Last observed: October 1, 2025
Monitored since: August 16, 2022
39 Observations
0 Issues

River Teise: Lamberhurst 1

Tunbridge Wells, England, United Kingdom

Waterbody Type:
River
Last observed: October 1, 2025
Monitored since: May 26, 2025
5 Observations
0 Issues

Avon: Jetty

Warwick, Warwickshire, United Kingdom

Waterbody Type:
River
Last observed: October 1, 2025
Monitored since: October 11, 2024
12 Observations
1 Issues

Wellers bay Consecon: Wellers bay east shore

Consecon, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 30, 2025
Monitored since: July 28, 2025
3 Observations
0 Issues

Lake Ont and Wellers bay: Mills cottages

Carrying Place, Ontario, Canada

Waterbody Type:
Channel
Last observed: September 30, 2025
Monitored since: June 30, 2025
5 Observations
0 Issues