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?

8,174 locations

+101 new sample locations added in the past 30 days

Sugar Run: Sugar Run Creek

Joliet, Illinois, United States

Waterbody Type:
Creek
Last observed: May 27, 2025
Monitored since: December 12, 2023
10 Observations
0 Issues

Welland Canal: Welland Canal off of Seaway Haulage Rd

St. Catharines, Ontario, Canada

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

creek: Kenyon Woods Forest Preserve

South Elgin, Illinois, United States

Waterbody Type:
Creek
Last observed: May 27, 2025
Monitored since: October 31, 2023
15 Observations
0 Issues

Salt Creek: Salt Creek Park Forest Preserve

Wood Dale, Illinois, United States

Waterbody Type:
Creek
Last observed: May 27, 2025
Monitored since: November 15, 2023
31 Observations
0 Issues

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

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

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

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

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

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

Stream along Carleton Drive: Carlton Drive Stream

Quispamsis, New Brunswick, Canada

Waterbody Type:
Unknown
Last observed: May 26, 2025
Monitored since: May 26, 2025
1 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

Roundhay Park :Waterloo Lake: Waterloo Lake : Concrete Ramp by the dam outlet

Leeds, Leeds, United Kingdom

Waterbody Type:
Lake
Last observed: May 26, 2025
Monitored since: January 30, 2025
4 Observations
0 Issues

Roundhay Park :Waterloo Lake: Waterloo Lake : Landing stage by cafe

Leeds, Leeds, United Kingdom

Waterbody Type:
Lake
Last observed: May 26, 2025
Monitored since: January 30, 2025
5 Observations
0 Issues

Saint Joseph Creek: Saint Joseph Creek

Lisle, Illinois, United States

Waterbody Type:
Creek
Last observed: May 26, 2025
Monitored since: December 2, 2023
15 Observations
0 Issues

Stream behind QMS: Wetland water run off behind QMS

New Brunswick, Canada

Waterbody Type:
Unknown
Last observed: May 26, 2025
Monitored since: May 26, 2023
2 Observations
0 Issues

Unstead Inlet: From Godalming Treatment Works

Godalming, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: May 26, 2025
Monitored since: July 20, 2023
23 Observations
0 Issues