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?

8,229 locations

+34 new sample locations added in the past 30 days

St. Marys River - Wilson Channel: Matotee Camp

Ontario, Canada

Waterbody Type:
River
Last observed: September 14, 2025
Monitored since: July 17, 2022
32 Observations
0 Issues

Bowker Creek: Kings Greenspace

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 14, 2025
Monitored since: September 14, 2025
1 Observations
0 Issues

Bowker Creek: 3.5 Oak Bay High

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 14, 2025
Monitored since: November 16, 2021
81 Observations
1 Issues

Bowker Creek : Cedar Hill Rec, downstream option

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 14, 2025
Monitored since: September 14, 2025
1 Observations
0 Issues

Bowker Creek: 3.4 Duck Ponds

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 14, 2025
Monitored since: November 16, 2021
79 Observations
0 Issues

Bowker Creek: Cedar Hill Rec

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 14, 2025
Monitored since: September 14, 2025
1 Observations
0 Issues

Bowker Creek: 1.3 Monteith

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 14, 2025
Monitored since: August 8, 2020
253 Observations
0 Issues

Bowker Creek: Browning Park

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 14, 2025
Monitored since: February 16, 2024
91 Observations
0 Issues

Bowker: Mouth

Victoria, British Columbia, Canada

Waterbody Type:
Estuary
Last observed: September 14, 2025
Monitored since: October 2, 2024
26 Observations
0 Issues

Rivière Thompson: Thompson

Val D'Or, Quebec, Canada

Waterbody Type:
River
Last observed: September 14, 2025
Monitored since: May 25, 2025
10 Observations
0 Issues

Dollis Brook: Riverside Park (Downstream)

London, Barnet, United Kingdom

Waterbody Type:
River
Last observed: September 14, 2025
Monitored since: May 20, 2023
24 Observations
0 Issues

Dollis Brook: Windsor Open Space - Village Road Outfall

London, England, United Kingdom

Waterbody Type:
River
Last observed: September 14, 2025
Monitored since: July 15, 2025
3 Observations
0 Issues

River Lea: The White House Bridge (Old River Lea)

London, Hackney, United Kingdom

Waterbody Type:
River
Last observed: September 14, 2025
Monitored since: October 14, 2023
22 Observations
0 Issues

Mississippi Lake: Montgomery Shore/First Lake

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 13, 2025
Monitored since: July 18, 2019
61 Observations
0 Issues

Mississippi Lake: Ikwe Pt

Ontario, Canada

Waterbody Type:
Unknown
Last observed: September 13, 2025
Monitored since: August 16, 2022
37 Observations
0 Issues

Moore's Brook: Outlet

London, England, United Kingdom

Waterbody Type:
Stream
Last observed: September 13, 2025
Monitored since: March 8, 2025
9 Observations
0 Issues

Moore's Brooķ: North Inlet

London, England, United Kingdom

Waterbody Type:
Pond
Last observed: September 13, 2025
Monitored since: March 8, 2025
7 Observations
0 Issues

Moore's Brook: South Inlet

London, England, United Kingdom

Waterbody Type:
Stream
Last observed: September 13, 2025
Monitored since: March 8, 2025
6 Observations
0 Issues

River Wey: Broadford Road Bridge

Guildford, England, United Kingdom

Waterbody Type:
River
Last observed: September 11, 2025
Monitored since: July 7, 2025
8 Observations
0 Issues

Ottawa River: Ottawa River

Chute à Blondeau, Ontario, Canada

Waterbody Type:
River
Last observed: September 11, 2025
Monitored since: April 13, 2019
63 Observations
0 Issues

Hogsmill: Berrylands Bridge

London, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: September 11, 2025
Monitored since: June 20, 2024
12 Observations
0 Issues