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?

8,174 locations

+101 new sample locations added in the past 30 days

Tawatinaw River - Colinton, Alberta: East of northern foot bridge

Alberta, Canada

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: July 31, 2023

Creek under Fairmount Ave: Creek under Fairmount Ave, east side of bridge

Downers Grove, Illinois, United States

Waterbody Type:
Creek
Last observed: May 30, 2025
Monitored since: November 19, 2024

East Branch DuPage River: Lisle Community Park Boat Launch near Short St on East Branch DuPage River

Lisle, Illinois, United States

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: December 9, 2024

Ottawa River: Petrie Island Causeway

Orléans, Ontario, Canada

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

Stream: Albion Fall

Stoney Creek, Ontario, Canada

Waterbody Type:
Stream
Last observed: May 30, 2025
Monitored since: May 21, 2023

Cataraqui River : 6.2

Kingston, Ontario, Canada

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

pond: Timber Trails Park pond

Saint Charles, Illinois, United States

Waterbody Type:
Pond
Last observed: May 30, 2025
Monitored since: November 25, 2023

Old Lea: Lea Bridge Weir (downstream)

London, Hackney, United Kingdom

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: August 10, 2024

Little Calumet River: Little Calumet River - Boat Launch at FPDCC Kickapoo Woods

Harvey, Illinois, United States

Waterbody Type:
River
Last observed: May 30, 2025
Monitored since: November 26, 2024

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

Swan Creek: Allotment Gardens

Esquimalt, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 29, 2025
Monitored since: August 7, 2013

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