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?

7,982 locations

+69 new sample locations added in the past 30 days

Black Creek: Stevensville Conservation Area

Ontario, Canada

Waterbody Type:
Creek
Last observed: March 30, 2025
Monitored since: November 26, 2024

River Wey: Wey Springs, Weydon Road

Haslemere, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: March 30, 2025
Monitored since: June 25, 2023

WEY: Kings Road trib at Springhead, Camelsdale

Haslemere, West Sussex, United Kingdom

Waterbody Type:
River
Last observed: March 30, 2025
Monitored since: March 30, 2025

River Wey: Lower neathamMill

East Hampshire District, Hampshire, United Kingdom

Waterbody Type:
Unknown
Last observed: March 30, 2025
Monitored since: March 30, 2025

Woodland Rd Creek: Woodland Rd Creek

Saint Charles, Illinois, United States

Waterbody Type:
Unknown
Last observed: March 30, 2025
Monitored since: February 28, 2025

Lake Patterson: Oakhurst Forest Preserve South Shore Dock

Aurora, Illinois, United States

Waterbody Type:
Lake
Last observed: March 29, 2025
Monitored since: November 25, 2023

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

Leeds, Leeds, United Kingdom

Waterbody Type:
Lake
Last observed: March 29, 2025
Monitored since: January 30, 2025

Black Creek: Black Creek footbridge from Shagbark Lane (Downstream)

Ontario, Canada

Waterbody Type:
Creek
Last observed: March 29, 2025
Monitored since: October 29, 2024

Wey: Springhead

Haslemere, West Sussex, United Kingdom

Waterbody Type:
Stream
Last observed: March 29, 2025
Monitored since: July 29, 2023

Bourne Stream lower: Bourne before joining Wey

Farnham, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: March 29, 2025
Monitored since: March 27, 2023

Spring Creek: Spring Creek, Maple Ave. FRG

Fox River Grove, Illinois, United States

Waterbody Type:
Creek
Last observed: March 28, 2025
Monitored since: November 27, 2024

West Ridge Nature Park Pond- North: West Ridge Nature Park Pond- North

Chicago, Illinois, United States

Waterbody Type:
Pond
Last observed: March 28, 2025
Monitored since: December 30, 2024

Section of Black Creek: Bridge over Black Creek on Old Milford Rd

Ontario, Canada

Waterbody Type:
Creek
Last observed: March 28, 2025
Monitored since: March 30, 2019

East end of Milford Millpond on Black River : East side of Hamlet of Milford K0K2P0

Milford, Ontario, Canada

Waterbody Type:
River
Last observed: March 28, 2025
Monitored since: March 26, 2017

Milford Millpond: West end of Hamlet of Milford at furthest west end of Millpond

Milford, Ontario, Canada

Waterbody Type:
Pond
Last observed: March 28, 2025
Monitored since: March 26, 2017

Woods Creek at Brookside Pedestrian Bridge: Woods Creek at Brookside Pedestrian Bridge

Algonquin, Illinois, United States

Waterbody Type:
Creek
Last observed: March 28, 2025
Monitored since: December 20, 2024

Pond at McCauley Mountain Conservation Area: Birdhouse City Pond

Picton, Ontario, Canada

Waterbody Type:
Pond
Last observed: March 28, 2025
Monitored since: May 29, 2019

Picton Harbour on Lake Ontario: Picton Harbour at Mouth of Marsh Creek

Picton, Ontario, Canada

Waterbody Type:
Lake
Last observed: March 28, 2025
Monitored since: July 4, 2018

Dixie Creek at Gaslight Dr: Dixie Creek at Gaslight Dr

Algonquin, Illinois, United States

Waterbody Type:
Creek
Last observed: March 28, 2025
Monitored since: December 20, 2024

Ratt Creek at Hanson Rd: Ratt Creek at Hanson Rd

Algonquin, Illinois, United States

Waterbody Type:
Creek
Last observed: March 28, 2025
Monitored since: December 20, 2024

St John's Brook: St John's Brook, Priory Park, Warwick

Warwick, Warwickshire, United Kingdom

Waterbody Type:
Unknown
Last observed: March 28, 2025
Monitored since: December 29, 2024