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?

8,236 locations

+11 new sample locations added in the past 30 days

Mill Stream: Hartwig-Saunders Park (Site 6)

Victoria, British Columbia, Canada

Waterbody Type:
Stream
Last observed: September 26, 2025
Monitored since: July 31, 2024
14 Observations
0 Issues

River Hart: Hartfordbridge

Hook, England, United Kingdom

Waterbody Type:
River
Last observed: September 26, 2025
Monitored since: June 1, 2025
6 Observations
0 Issues

River Wey: River Wey near Plough Bridge, Byfleet

Byfleet, Surrey, United Kingdom

Waterbody Type:
River
Last observed: September 26, 2025
Monitored since: May 29, 2023
42 Observations
0 Issues

Bowker Creek: Browning Park

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 24, 2025
Monitored since: February 16, 2024
92 Observations
0 Issues

Bowker Creek : Browning/mcrae

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: September 24, 2025
Monitored since: December 22, 2024
23 Observations
0 Issues

St Lawrence River: School Dock

Cornwall, Ontario, Canada

Waterbody Type:
River
Last observed: September 24, 2025
Monitored since: September 10, 2025
3 Observations
0 Issues

Qu'Appelle River: Qu'Appelle River between outflow Echo Lake flow to Mission Lake

Saskatchewan, Canada

Waterbody Type:
River
Last observed: September 22, 2025
Monitored since: June 27, 2021
28 Observations
0 Issues

Bras d'Or Lake: Ross Ferry Marine Park

Ross Ferry, Nova Scotia, Canada

Waterbody Type:
Estuary
Last observed: September 21, 2025
Monitored since: July 13, 2025
6 Observations
0 Issues

Big Rideau Lake: End of Briton Bay

Portland, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 21, 2025
Monitored since: July 4, 2025
4 Observations
0 Issues

Big Rideau Lake: Lost Lake

Portland, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 21, 2025
Monitored since: July 4, 2025
4 Observations
0 Issues

Big Rideau Lake: NW of Tar Island

Portland, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 21, 2025
Monitored since: July 4, 2025
3 Observations
0 Issues

Big Rideau Lake: Cow Island Dock

Portland, Ontario, Canada

Waterbody Type:
Lake
Last observed: September 21, 2025
Monitored since: September 8, 2022
2 Observations
0 Issues

Hogg's Bay on Big Rideau Lake: Hogg's Bay - Entrance

Portland, Ontario, Canada

Waterbody Type:
Bay
Last observed: September 21, 2025
Monitored since: July 4, 2017
28 Observations
0 Issues

Salmons Brook/Houndsden Gutter: Eversley Crescent Outfall (Downstream)

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: September 21, 2025
Monitored since: March 24, 2023
39 Observations
0 Issues

River Wey: River Wey - Godalming by duck feeding platform

Godalming, Surrey, United Kingdom

Waterbody Type:
River
Last observed: September 21, 2025
Monitored since: May 28, 2022
19 Observations
0 Issues

Kipabiskau : Kipabiskau

Lac Vert, Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: September 20, 2025
Monitored since: September 20, 2025
1 Observations
0 Issues

St.Lawrence river : Museum inlet

Cornwall, Ontario, Canada

Waterbody Type:
River
Last observed: September 20, 2025
Monitored since: July 18, 2025
6 Observations
0 Issues

Pearl River: Old Highway 13 Bridge

Lena, Mississippi, United States

Waterbody Type:
River
Last observed: September 18, 2025
Monitored since: September 19, 2018
194 Observations
0 Issues

Pearl River: Highway 35 Bridge

Carthage, Mississippi, United States

Waterbody Type:
River
Last observed: September 18, 2025
Monitored since: October 3, 2018
198 Observations
0 Issues

Rideau River: 60

Ottawa, Ontario, Canada

Waterbody Type:
River
Last observed: September 17, 2025
Monitored since: September 17, 2025
1 Observations
0 Issues

Lac McGregor: Fosse MG3

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: September 16, 2025
Monitored since: June 12, 2021
38 Observations
0 Issues