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?

8,226 locations

+33 new sample locations added in the past 30 days

Cougar Creek: Cougar Creek Headwaters

Surrey, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 29, 2025

Henry Bose Creek: Henry Bose Creek @ Hyland Creek Park

Surrey, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 29, 2025

Cougar Creek: Cougar Creek Park @ East Pedestrian Bridge (Elementary School)

Surrey, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 29, 2025

Cougar Creek: Cougar Creek Park @ Pedestrian Bridge

Surrey, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 29, 2025

Hyland Creek: Hyland Creek @ 148 Street

Surrey, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 29, 2025

Morrison Valley Creek: Central open banks

Oakville, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 29, 2025
Monitored since: May 29, 2025

Glencrest Creek: Glencrest creek south of Bemis Road

Glen Ellyn, Illinois, United States

Waterbody Type:
Creek
Last observed: May 29, 2025
Monitored since: November 21, 2024

Glencrest creek: North side Bemis road

Glen Ellyn, Illinois, United States

Waterbody Type:
Creek
Last observed: May 29, 2025
Monitored since: November 21, 2024

Waubonsie Creek: Waubonsie Creek Trail Bridge

Aurora, Illinois, United States

Waterbody Type:
Creek
Last observed: May 29, 2025
Monitored since: December 17, 2023

Stream running along Peat Drive: Peat Drive Stream

Quispamsis, New Brunswick, Canada

Waterbody Type:
Unknown
Last observed: May 28, 2025
Monitored since: May 28, 2025

Hammond River: Hammond River Bridge

New Brunswick, Canada

Waterbody Type:
Unknown
Last observed: May 28, 2025
Monitored since: May 31, 2023

DuPage River: West Branch DuPage River

Warrenville, Illinois, United States

Waterbody Type:
River
Last observed: May 28, 2025
Monitored since: November 8, 2023

Silver Lake: Blackwell Forest Preserve Silver Lake

Warrenville, Illinois, United States

Waterbody Type:
Lake
Last observed: May 28, 2025
Monitored since: November 8, 2023

Herrick Lake: Herrick Lake

Naperville, Illinois, United States

Waterbody Type:
Lake
Last observed: May 28, 2025
Monitored since: November 8, 2023

South Branch Chicago River: Canal Origins Park

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: May 28, 2025
Monitored since: December 20, 2024

Lily Cache Creek: Lily Cache Creek at the Lily Cache Sports Field footbridge

Bolingbrook, Illinois, United States

Waterbody Type:
Creek
Last observed: May 28, 2025
Monitored since: November 22, 2024

Leg O' Mutton Reservoir: Leg O' Mutton

London, Richmond upon Thames, United Kingdom

Waterbody Type:
Lake
Last observed: May 28, 2025
Monitored since: April 24, 2024

Beverley Brook: Rocks Lane Highways Bridge

London, Richmond upon Thames, United Kingdom

Waterbody Type:
River
Last observed: May 28, 2025
Monitored since: March 22, 2024

Beverley Brook: Bank of England Footbridge

London, Richmond upon Thames, United Kingdom

Waterbody Type:
River
Last observed: May 28, 2025
Monitored since: April 23, 2024

Beverley Brook: Richmond Park A3

London, Richmond upon Thames, United Kingdom

Waterbody Type:
River
Last observed: May 28, 2025
Monitored since: April 25, 2024

Beverley Brook: Richmond Park Wall

London, Wandsworth, United Kingdom

Waterbody Type:
River
Last observed: May 28, 2025
Monitored since: April 23, 2024