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

West Branch DuPage River: Pioneer Park

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: November 17, 2023

Springbrook Creek: Springbrook Creek Wetland Park

Roselle, Illinois, United States

Waterbody Type:
Creek
Last observed: May 30, 2025
Monitored since: December 19, 2023

Winfield Creek: Winfield Creek-Memorial Park

Winfield, Illinois, United States

Waterbody Type:
Creek
Last observed: May 30, 2025
Monitored since: December 10, 2024

Priory Park: St Johns Brook

Warwick, England, United Kingdom

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

St Nicholas Park: St Johns Brook2nd Warwick Scout hut

Warwick, England, United Kingdom

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

River Wey: Tilford South Bridge WEST SIDE

Tilford, Surrey, United Kingdom

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: May 17, 2024

River Wey: Tilford South Bridge - EAST BANK

Tilford, Surrey, United Kingdom

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: October 4, 2024

Gledgow Beck: E-coli Testing Location 2 (YW)

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: May 30, 2025
Monitored since: February 3, 2025

Kishwaukee River South Branch: Kishwaukee River South Branch at Russell Woods

Genoa, Illinois, United States

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: December 15, 2024

DuPage River (west branch): West Branch of the DuPage River

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: May 29, 2025
Monitored since: November 20, 2024

Klein Creek: Klein Creek at Fountain View Recreation Center

Carol Stream, Illinois, United States

Waterbody Type:
Creek
Last observed: May 29, 2025
Monitored since: December 19, 2023

Springbrook Creek: Springbrook Creek @ S Maple Ave, Itasca

Itasca, Illinois, United States

Waterbody Type:
Creek
Last observed: May 29, 2025
Monitored since: December 19, 2023

Springbrook Creek: Springbrook Creek @ N Circle Ave, Bloomingdale

Bloomingdale, Illinois, United States

Waterbody Type:
Creek
Last observed: May 29, 2025
Monitored since: December 19, 2023

River Thames: Outfall at Deptford near Convoy's Wharf

London, England, United Kingdom

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

West Branch DuPage River: West Branch DuPage River at Naperville Riverwalk

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: May 29, 2025
Monitored since: November 30, 2023

Beaver Pond: Beaver Pond

Fairhaven, New Brunswick, Canada

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

Cougar Creek: Cougar Creek Headwaters

Surrey, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 29, 2025

Hyland Creek: Hyland Creek @ 66 Avenue

Surrey, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 29, 2025