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?

8,224 locations

+33 new sample locations added in the past 30 days

Upper French River : Isle #93 (Main Channel)

Ontario, Canada

Waterbody Type:
Unknown
Last observed: July 27, 2025
Monitored since: June 30, 2024
5 Observations
0 Issues

Ottawa River: Bristol - South of Flag Island

Quebec, Canada

Waterbody Type:
River
Last observed: July 27, 2025
Monitored since: May 28, 2016
46 Observations
0 Issues

Upper French River: Isle #92 (Back Channel)

Ontario, Canada

Waterbody Type:
Channel
Last observed: July 27, 2025
Monitored since: June 30, 2024
5 Observations
0 Issues

Pond outlet: Frensham Little Pond outlet

Waverley Borough, Surrey, United Kingdom

Waterbody Type:
Pond
Last observed: July 27, 2025
Monitored since: October 29, 2023
18 Observations
0 Issues

Inlet stream: Frensham Little Pond inlet

Hindhead, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: July 27, 2025
Monitored since: October 29, 2023
19 Observations
0 Issues

Cranleigh Waters: Ashen Copse

Cranleigh, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: July 27, 2025
Monitored since: November 26, 2023
6 Observations
0 Issues

Meanwood Beck: A3

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: July 27, 2025
Monitored since: October 27, 2024
10 Observations
0 Issues

Meanwood Beck: A2

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: July 27, 2025
Monitored since: October 27, 2024
11 Observations
0 Issues

River Wey: Bridleway off to the side of Hammer House

Liphook, West Sussex, United Kingdom

Waterbody Type:
River
Last observed: July 27, 2025
Monitored since: May 30, 2022
28 Observations
0 Issues

Meanwood Beck: A1

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: July 27, 2025
Monitored since: October 27, 2024
10 Observations
0 Issues

River Wey: Near Prince of Wales Pub

Hampshire, United Kingdom

Waterbody Type:
River
Last observed: July 27, 2025
Monitored since: March 19, 2023
24 Observations
0 Issues

Blackwater river: Blackwater by aldershot sewage works

Aldershot, England, United Kingdom

Waterbody Type:
River
Last observed: July 27, 2025
Monitored since: May 31, 2025
3 Observations
0 Issues

Thessalon River: Rydal Bank

Ontario, Canada

Waterbody Type:
River
Last observed: July 27, 2025
Monitored since: June 28, 2023
11 Observations
0 Issues

Rouge River: Rouge River at Fairview Vista Park

Scarborough, Ontario, Canada

Waterbody Type:
River
Last observed: July 27, 2025
Monitored since: October 6, 2024
4 Observations
0 Issues

Lac: Lac des soeurs

Quebec, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: June 29, 2020
25 Observations
0 Issues

At. Lawrence River - Lake St. Lawrence : Guindon Boat Launch Bay

Long Sault, Ontario, Canada

Waterbody Type:
Bay
Last observed: July 26, 2025
Monitored since: June 22, 2025
3 Observations
0 Issues

Lac Blouin: Lac Blouin

Val D'Or, Quebec, Canada

Waterbody Type:
Lake
Last observed: July 26, 2025
Monitored since: June 15, 2020
21 Observations
0 Issues

River: Rouge River

Markham, Ontario, Canada

Waterbody Type:
River
Last observed: July 26, 2025
Monitored since: October 7, 2024
7 Observations
0 Issues

creek: MA101

Markham, Ontario, Canada

Waterbody Type:
Creek
Last observed: July 26, 2025
Monitored since: September 7, 2024
8 Observations
0 Issues

St Lawrence River: Tree Haven Canal

Ontario, Canada

Waterbody Type:
River
Last observed: July 26, 2025
Monitored since: June 25, 2022
16 Observations
0 Issues

St Lawrence: Lakeview ... bay

Ontario, Canada

Waterbody Type:
River
Last observed: July 26, 2025
Monitored since: May 28, 2023
17 Observations
0 Issues