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?

7,944 locations

+53 new sample locations added in the past 30 days

Terrace View Park Pond: Terrace View Park Pond in Lombard, IL

Lombard, Illinois, United States

Waterbody Type:
Pond
Last observed: May 11, 2025
Monitored since: November 18, 2023

Welch Creek: South of Kaneville

Elburn, Illinois, United States

Waterbody Type:
Creek
Last observed: May 11, 2025
Monitored since: December 3, 2023

Salmons Brook/Houndsden Gutter/Grovelands Stream: Grovelands Park Lake Outfall by cafe and dam

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: May 11, 2025
Monitored since: April 23, 2023

Salmons Brook/Houndsden Gutter/Grovelands Stream: Grovelands Park Stream below dam

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: May 11, 2025
Monitored since: July 30, 2023

Salmons Brook/Houndsden Gutter/Grovelands Stream: Grovelands Park Lake Downstream of reedbeds

London, Enfield, United Kingdom

Waterbody Type:
Unknown
Last observed: May 11, 2025
Monitored since: August 12, 2024

Salmons Brook/Houndsden Gutter/Grovelands Stream: Grovelands Park Lake Entry

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: May 11, 2025
Monitored since: April 23, 2023

Bow River: Bow River Pedestrian Bridge

Banff, Alberta, Canada

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: May 8, 2025

Ferson Creek: Ferson Creek at LeRoy Oakes FP Bridge

Saint Charles, Illinois, United States

Waterbody Type:
Creek
Last observed: May 10, 2025
Monitored since: November 8, 2023

Prairie DuPont Tributary: Prairie DuPont Creek @ Zingg Bridge

Millstadt, Illinois, United States

Waterbody Type:
Creek
Last observed: May 10, 2025
Monitored since: November 7, 2022

Grand River: Schneider Park Water Site

Kitchener, Ontario, Canada

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: August 25, 2024

River Ching: Whitehall Outfall 5b

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: March 14, 2025

Miramichi River: Juniper Bridge

New Brunswick, Canada

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: May 4, 2019

River Ching: Whitehall Outfall 5a

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: March 14, 2025

The Ching: Newgate Street

Buckhurst Hill, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: May 10, 2025
Monitored since: July 19, 2024

The Ching: D/S Whitehall Rd

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
Stream
Last observed: May 10, 2025
Monitored since: July 19, 2024

The Ching: Whitehall Outfalls

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
Stream
Last observed: May 10, 2025
Monitored since: July 19, 2024

Brook: St Joseph Hood Memorial Playing Fields

London, Merton, United Kingdom

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: January 11, 2025

Hamilton Brook: South Knowlesville, New Brunswick

New Brunswick, Canada

Waterbody Type:
Stream
Last observed: May 9, 2025
Monitored since: October 21, 2017

Un-named creek: Unknown creek flowing into Hamilton Brook

New Brunswick, Canada

Waterbody Type:
Creek
Last observed: May 9, 2025
Monitored since: April 29, 2019

St. Lawrence River: Rotary Creek

Ontario, Canada

Waterbody Type:
River
Last observed: May 9, 2025
Monitored since: July 8, 2019

Desbarats Lake: Desbarats Lake off boat ramp

Ontario, Canada

Waterbody Type:
Unknown
Last observed: May 9, 2025
Monitored since: June 19, 2022