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?

7,714 locations

+73 new sample locations added in the past 30 days

Bowker Creek: 1.3 Monteith

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: January 19, 2025
Monitored since: August 8, 2020

River Ching: Beech Hall Crescent CSO

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: January 19, 2025
Monitored since: November 5, 2024

The Ching: Beech Hall

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: January 19, 2025
Monitored since: December 8, 2023

River Loddon: Bartons Mill

Basingstoke, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: January 19, 2025
Monitored since: January 15, 2025

North Branch Chicago River: North Branch Chicago River - California Park

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: January 18, 2025
Monitored since: December 21, 2024

Cress Creek: Cress Creek

Naperville, Illinois, United States

Waterbody Type:
Creek
Last observed: January 18, 2025
Monitored since: November 20, 2024

Spring Brook: Spring Brook in St. James Farm Forest Preserve

Wheaton, Illinois, United States

Waterbody Type:
Stream
Last observed: January 18, 2025
Monitored since: December 11, 2023

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

Glendale Heights, Illinois, United States

Waterbody Type:
River
Last observed: January 18, 2025
Monitored since: November 17, 2024

Little Vermillion River: Snyder's Grove

Mendota, Illinois, United States

Waterbody Type:
River
Last observed: January 18, 2025
Monitored since: November 21, 2022

Little Vermillion River: Apple Orchard Park - Mendota Creek

Mendota, Illinois, United States

Waterbody Type:
Creek
Last observed: January 18, 2025
Monitored since: November 22, 2022

Mendota Creek: Lake Kakusha

Mendota, Illinois, United States

Waterbody Type:
Creek
Last observed: January 18, 2025
Monitored since: November 19, 2022

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

Lombard, Illinois, United States

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

Cress Creek: Cress Creek

Naperville, Illinois, United States

Waterbody Type:
Creek
Last observed: January 18, 2025
Monitored since: November 11, 2023

West Branch DuPage River : West Branch DuPage River at Hillside

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: January 18, 2025
Monitored since: November 11, 2023

Gartside Creek: Gartside Creek at Queen of Peace

Belleville, Illinois, United States

Waterbody Type:
Creek
Last observed: January 18, 2025
Monitored since: October 21, 2023

River Wey: Radford Park : Pooh Sticks Bridge

Liphook, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: January 18, 2025
Monitored since: June 26, 2022

Unnamed Creek : Arrowhead Park

Naperville, Illinois, United States

Waterbody Type:
Creek
Last observed: January 18, 2025
Monitored since: November 13, 2024

Moselle Brook: Lordship Recreation Ground (Downstream)

London, Haringey, United Kingdom

Waterbody Type:
Stream
Last observed: January 18, 2025
Monitored since: April 20, 2024

West Branch DuPage River: Bridge over river on Gartner Road near Edgewater Drive

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: January 18, 2025
Monitored since: December 24, 2024

Winding Creek: Winding Creek

Bartlett, Illinois, United States

Waterbody Type:
Creek
Last observed: January 18, 2025
Monitored since: December 10, 2023

Chicago River: Ping Tom Park Chicago

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: January 17, 2025
Monitored since: November 15, 2024