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?

8,081 locations

+132 new sample locations added in the past 30 days

Big Rideau Lake: Jacklin’s Bay

Lombardy, Ontario, Canada

Waterbody Type:
Bay
Last observed: May 25, 2025
Monitored since: May 12, 2025

creek: MA101

Markham, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 25, 2025
Monitored since: September 7, 2024

East Fork of Poplar Creek: Ron Haimbaugh

Hoffman Estates, Illinois, United States

Waterbody Type:
Creek
Last observed: May 25, 2025
Monitored since: November 8, 2024

Bilston Creek: 3703 Happy Valley

British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 25, 2025
Monitored since: February 25, 2024

Lake Erie: Port Dover Marina

Port Dover, Ontario, Canada

Waterbody Type:
Bay
Last observed: May 25, 2025
Monitored since: May 25, 2025

Lake Ontario: Grande Hermine Ship Beach

Jordan Station, Ontario, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: October 29, 2024

Lost Lake/ Mariner Road Catchment Area (Riverview Forest): East Mundy Park Stream Drainage System

Coquitlam, British Columbia, Canada

Waterbody Type:
Stream
Last observed: May 25, 2025
Monitored since: January 26, 2025

Twenty Mile Creek: Twenty Mile Creek at Twenty-First Street

Jordan, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 25, 2025
Monitored since: October 29, 2024

North River: North River Boathouse

Baddeck, Nova Scotia, Canada

Waterbody Type:
Estuary
Last observed: May 25, 2025
Monitored since: May 25, 2025

Central Mundy Park Catchment Drainage System: Central Mundy Park

Coquitlam, British Columbia, Canada

Waterbody Type:
Stream
Last observed: May 25, 2025
Monitored since: January 26, 2025

Lake Erie: Seacliff Beach

Leamington, Ontario, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: May 30, 2021

Pond: Carville Mill Park

Vaughan, Ontario, Canada

Waterbody Type:
Pond
Last observed: May 25, 2025
Monitored since: October 27, 2024

Mundy Lake/Mundy Creek/Sport Fields Catchment Stream Drainage System (West Mundy Park): West Mundy Park

Coquitlam, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 25, 2025
Monitored since: January 26, 2025

Hoe Stream (White Rose Lane Nature Reserve): Hoe Stream

Woking, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: May 25, 2025
Monitored since: December 1, 2024

Mill Pond: Mill Pond

Richmond Hill, Ontario, Canada

Waterbody Type:
Pond
Last observed: May 25, 2025
Monitored since: October 27, 2024

Mundy Lake: Mundy Park

Coquitlam, British Columbia, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: May 28, 2023

Lake Huron: Jocelyn Township Park

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: May 28, 2023

Creek: Beaver Creek

Richmond Hill, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 25, 2025
Monitored since: October 27, 2024

Lost Lake: Mundy Park

Coquitlam, British Columbia, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: May 28, 2023

River Wey: Stonehouse Road

Liphook, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: May 25, 2025
Monitored since: May 29, 2022

DuPage River : DuPage River at Riverwalk South Covered Bridge

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: May 25, 2025
Monitored since: December 14, 2023