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?

8,076 locations

+135 new sample locations added in the past 30 days

River Brent Ealing Golf Course: River Brent west side of bridge to clubhouse

London, Ealing, United Kingdom

Waterbody Type:
River
Last observed: June 6, 2025
Monitored since: September 19, 2024
8 Observations
0 Issues

Tillingbourne Stream : Raikes Lane Abinger Hammer

Gomshall, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: June 6, 2025
Monitored since: March 18, 2023
2 Observations
0 Issues

The Ching: 9 Gordon Ave E4

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: June 6, 2025
Monitored since: November 16, 2023
56 Observations
0 Issues

The Ching: Highams Park Lake

London, Waltham Forest, United Kingdom

Waterbody Type:
Lake
Last observed: June 6, 2025
Monitored since: January 17, 2024
56 Observations
0 Issues

Kyd Brook : Kyd Brook Hawkswood Estate

London, Bromley, United Kingdom

Waterbody Type:
Stream
Last observed: June 6, 2025
Monitored since: July 8, 2023
23 Observations
0 Issues

St. Lawrence River: South Lancaster Wharf

Ontario, Canada

Waterbody Type:
River
Last observed: June 5, 2025
Monitored since: August 4, 2022
3 Observations
0 Issues

Desisle River: Dalhousie Mills

Ontario, Canada

Waterbody Type:
Unknown
Last observed: June 5, 2025
Monitored since: September 19, 2023
3 Observations
0 Issues

White Oak Creek: White Oak Creek

Jackson, Mississippi, United States

Waterbody Type:
Creek
Last observed: June 5, 2025
Monitored since: May 23, 2024
11 Observations
0 Issues

Pearl River: Coal Bluff Park

Lena, Mississippi, United States

Waterbody Type:
River
Last observed: June 5, 2025
Monitored since: September 19, 2018
147 Observations
0 Issues

Pearl River: Leake County Water Park

Canton, Mississippi, United States

Waterbody Type:
River
Last observed: June 5, 2025
Monitored since: July 3, 2019
133 Observations
0 Issues

Lake: Alexandria Park

Ontario, Canada

Waterbody Type:
Lake
Last observed: June 5, 2025
Monitored since: April 1, 2024
12 Observations
0 Issues

Anderson Creek: Old Bridge

Ontario, Canada

Waterbody Type:
Creek
Last observed: June 5, 2025
Monitored since: May 30, 2022
17 Observations
0 Issues

Desbarats River: Municipal Dock

Ontario, Canada

Waterbody Type:
River
Last observed: June 5, 2025
Monitored since: May 30, 2022
18 Observations
0 Issues

Lake Huron: Barabara Rd at Lake Huron

Thessalon, Ontario, Canada

Waterbody Type:
Lake
Last observed: June 5, 2025
Monitored since: May 2, 2025
7 Observations
0 Issues

Falgarwood Creek: FAL PS Creek Bed

Oakville, Ontario, Canada

Waterbody Type:
Creek
Last observed: June 5, 2025
Monitored since: May 16, 2025
2 Observations
0 Issues

Thessalon River: Thessalon River off Lorne St W.

Thessalon, Ontario, Canada

Waterbody Type:
River
Last observed: June 4, 2025
Monitored since: April 30, 2025
6 Observations
0 Issues

Ross Barnett Reservoir: Madison Landing

Ridgeland, Mississippi, United States

Waterbody Type:
Lake
Last observed: June 4, 2025
Monitored since: February 27, 2025
5 Observations
0 Issues

Blakeburn Lagoons: West Lagoon - West/Main Deck

Port Coquitlam, British Columbia, Canada

Waterbody Type:
Lagoon
Last observed: June 4, 2025
Monitored since: August 18, 2021
53 Observations
0 Issues

Blakeburn Lagoons: East Lagoon - South Deck

Port Coquitlam, British Columbia, Canada

Waterbody Type:
Lagoon
Last observed: June 4, 2025
Monitored since: August 1, 2021
53 Observations
0 Issues

Lac du Marbre: Fosse DM1

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: June 4, 2025
Monitored since: May 30, 2021
18 Observations
0 Issues

Lac du Marbre: Fosse DM2

Val-des-Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: June 4, 2025
Monitored since: May 30, 2021
18 Observations
0 Issues