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?

8,080 locations

+131 new sample locations added in the past 30 days

Silver Creek: Bensenville at Irving

Bensenville, Illinois, United States

Waterbody Type:
Unknown
Last observed: May 27, 2025
Monitored since: February 17, 2022
13 Observations
0 Issues

Mill Creek: Mill Creek off Morgantown Rd

Foxworth, Mississippi, United States

Waterbody Type:
Creek
Last observed: May 27, 2025
Monitored since: August 14, 2021
50 Observations
0 Issues

Flint Creek : Flint Creek-Grassy Lake Forest Preserve Trail Bridge

Barrington, Illinois, United States

Waterbody Type:
Creek
Last observed: May 27, 2025
Monitored since: December 13, 2024
7 Observations
0 Issues

Salmons Brook: Rectory Farm

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: May 27, 2025
Monitored since: February 1, 2025
5 Observations
0 Issues

Lake Huron - Gawas Bay: Gawas Bay Channel

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 27, 2025
Monitored since: May 28, 2022
16 Observations
0 Issues

Pond: Chinbrook wetlands outlet pond

London, Bromley, United Kingdom

Waterbody Type:
Wetland
Last observed: May 27, 2025
Monitored since: October 27, 2024
5 Observations
0 Issues

Pond: Chinbrook wetlands inlet pond

London, Bromley, United Kingdom

Waterbody Type:
Wetland
Last observed: May 27, 2025
Monitored since: October 27, 2024
5 Observations
0 Issues

River Wey: Radford Park : Pooh Sticks Bridge

Liphook, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: May 27, 2025
Monitored since: June 26, 2022
47 Observations
0 Issues

Des Plaines River : Evans Field - Des Plaines River -Trail Marker 215

River Grove, Illinois, United States

Waterbody Type:
River
Last observed: May 27, 2025
Monitored since: November 29, 2024
7 Observations
0 Issues

Lake St. Clair: Lake St. Clair

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 27, 2025
Monitored since: January 29, 2025
6 Observations
0 Issues

Lake St. Clair: Windsor

Tecumseh, Ontario, Canada

Waterbody Type:
Lake
Last observed: May 26, 2025
Monitored since: July 7, 2020
32 Observations
0 Issues

Cootes Paradise: RBG Princess Point

Burlington, Ontario, Canada

Waterbody Type:
Wetland
Last observed: May 26, 2025
Monitored since: September 6, 2018
39 Observations
0 Issues

Lac: Lac clair

Val D'Or, Quebec, Canada

Waterbody Type:
Lake
Last observed: May 26, 2025
Monitored since: May 26, 2025
1 Observations
0 Issues

Welland Canal: Welland Canal Trail near Linwell Road

St. Catharines, Ontario, Canada

Waterbody Type:
Canal
Last observed: May 26, 2025
Monitored since: January 26, 2025
6 Observations
0 Issues

Welland Canal : Welland International Flatwater Centre

Welland, Ontario, Canada

Waterbody Type:
Canal
Last observed: May 26, 2025
Monitored since: January 10, 2025
7 Observations
0 Issues

Lac McGlashan: Center of Lake McGlashan, deepest point

Val Des Monts, Quebec, Canada

Waterbody Type:
Lake
Last observed: May 26, 2025
Monitored since: May 16, 2003
66 Observations
0 Issues

East Branch DuPage River: East Branch DuPage River at East Branch Forest Preserve

Glendale Heights, Illinois, United States

Waterbody Type:
River
Last observed: May 26, 2025
Monitored since: November 17, 2024
7 Observations
0 Issues

Salt Creek: Salt Creek S Elmhurst canoe launch

Elmhurst, Illinois, United States

Waterbody Type:
Creek
Last observed: May 26, 2025
Monitored since: November 15, 2024
7 Observations
0 Issues

St Marys River: Bellevue Marina

Ontario, Canada

Waterbody Type:
River
Last observed: May 26, 2025
Monitored since: April 27, 2025
3 Observations
0 Issues

Belle River: Belle River - Munns Rd

Belle River, Prince Edward Island, Canada

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

Willow creek drain s into Rondeau Bay Shrewsbury Ont Can: Willow Creek

Chatham Kent, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 26, 2025
Monitored since: May 28, 2023
21 Observations
1 Issues