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?

8,239 locations

+0 new sample locations added in the past 30 days

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

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

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

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

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

Lake Erie: Colchester Harbour and Beach

Harrow, Ontario, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: May 25, 2025
1 Observations
0 Issues

Stream: MA102

Markham, Ontario, Canada

Waterbody Type:
Stream
Last observed: May 25, 2025
Monitored since: October 7, 2024
5 Observations
0 Issues

Lake Erie: Seacliff Beach

Leamington, Ontario, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: May 30, 2021
7 Observations
0 Issues

DuPage River : DuPage River at Riverwalk South Covered Bridge

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: May 25, 2025
Monitored since: December 14, 2023
13 Observations
0 Issues

Beaverdams pond: Beaverdams Road Parkette

Niagara Falls, Ontario, Canada

Waterbody Type:
Pond
Last observed: May 25, 2025
Monitored since: May 25, 2025
1 Observations
0 Issues

Chicago River: Chicago River North Branch Goose Island

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: May 25, 2025
Monitored since: December 17, 2023
12 Observations
0 Issues

Cranleigh Waters: Cranleigh Waters Stream

Cranleigh, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: May 25, 2025
Monitored since: April 14, 2025
3 Observations
3 Issues

East Branch Poplar Creek: East Branch Poplar Creek

Streamwood, Illinois, United States

Waterbody Type:
Unknown
Last observed: May 25, 2025
Monitored since: December 20, 2023
13 Observations
0 Issues

Redhill Creek: Lower Redhill

Stoney Creek, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 24, 2025
Monitored since: October 9, 2020
23 Observations
0 Issues

Redhill Creek: Upper Albion Falls

Hamilton, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 24, 2025
Monitored since: October 9, 2020
42 Observations
0 Issues