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?

6,705 locations

+110 new sample locations added in the past 30 days

Chicago River: Chicago River North Branch Goose Island

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: April 12, 2024
Monitored since: December 17, 2023

Boyne River: Flesherton Hills

Ontario, Canada

Waterbody Type:
Creek
Last observed: April 12, 2024
Monitored since: February 6, 2024

Beaver pond: Flesherton hills

Ontario, Canada

Waterbody Type:
Pond
Last observed: April 12, 2024
Monitored since: March 6, 2024

Flesherton ponds: Flesherton pond

Ontario, Canada

Waterbody Type:
Pond
Last observed: April 12, 2024
Monitored since: March 6, 2024

River: Shaharchay river

Orumiyeh, West Azarbaijan, Iran

Waterbody Type:
River
Last observed: April 12, 2024
Monitored since: April 12, 2024

Bowker Creek: Browning Park

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: April 11, 2024
Monitored since: February 16, 2024

North Branch Chicago River: North Branch Chicago River at Edgebrook Woods

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: April 11, 2024
Monitored since: December 17, 2022

Salt Creek: Salt Creek Park Forest Preserve

Wood Dale, Illinois, United States

Waterbody Type:
Creek
Last observed: April 10, 2024
Monitored since: November 15, 2023

Ottawa River: Ottawa River

Chute à Blondeau, Ontario, Canada

Waterbody Type:
River
Last observed: April 10, 2024
Monitored since: April 13, 2019

Lake Ontario at Soup Harbour: Point Petre Provincial Wildlife Area

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 10, 2024
Monitored since: May 16, 2023

Humber River: Humber River at Magwood Sanctuary

Etobicoke, Ontario, Canada

Waterbody Type:
River
Last observed: April 10, 2024
Monitored since: April 25, 2021

DeBoville Slough : Devon

Coquitlam, British Columbia, Canada

Waterbody Type:
Wetland
Last observed: April 10, 2024
Monitored since: November 9, 2022

East Branch DuPage River: Hill Ave Bridge

Lombard, Illinois, United States

Waterbody Type:
River
Last observed: April 9, 2024
Monitored since: November 17, 2023

Lake Ontario: Little Bluff Conservation Area

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 9, 2024
Monitored since: April 16, 2017

Salt creek: Salt Creek

Addison, Illinois, United States

Waterbody Type:
Unknown
Last observed: April 9, 2024
Monitored since: January 5, 2024

Outlet River: Outlet River at Bridge on County Rd 18

Ontario, Canada

Waterbody Type:
River
Last observed: April 9, 2024
Monitored since: June 18, 2019

Pond at Creek Bend Nature Center: Creek Bend Pond

Saint Charles, Illinois, United States

Waterbody Type:
Pond
Last observed: April 9, 2024
Monitored since: November 7, 2023

Quarry discharge: Frith end quarry

Dockenfield, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: April 9, 2024
Monitored since: April 9, 2024

Bowker Creek: 3.5 Oak Bay High

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: April 8, 2024
Monitored since: November 16, 2021

Bowker Creek: 3.4 Duck Ponds

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: April 8, 2024
Monitored since: November 16, 2021

Bowker Creek: 1.3 Monteith

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: April 8, 2024
Monitored since: August 8, 2020