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?

7,864 locations

+71 new sample locations added in the past 30 days

Massassauga Marsh: First Bridge on County Rd 28

Ontario, Canada

Waterbody Type:
Wetland
Last observed: March 24, 2025
Monitored since: July 10, 2019

Moira River: Victoria Park & Harbour. Mouth of Moira River entering the Bay of Quinte

Belleville, Ontario, Canada

Waterbody Type:
River
Last observed: March 24, 2025
Monitored since: May 16, 2019

Lake Ontario Bay of Quinte: East Bayshore Waterfront Park and Herchimer Rd Boat Launch in Belleville

Ontario, Canada

Waterbody Type:
Lake
Last observed: March 24, 2025
Monitored since: June 22, 2017

Salt Creek: SCGW bridge on Salt Creek

Elmhurst, Illinois, United States

Waterbody Type:
Creek
Last observed: March 24, 2025
Monitored since: November 10, 2023

East Branch DuPage River : East Branch DuPage River at Morton Arb

Downers Grove, Illinois, United States

Waterbody Type:
River
Last observed: March 24, 2025
Monitored since: November 1, 2023

Lacey Creek: Lacey Creek at Morton Arboretum

Downers Grove, Illinois, United States

Waterbody Type:
Creek
Last observed: March 24, 2025
Monitored since: November 20, 2023

Wascana Spruce: Wascana Spruce- 100 Lake Survey

Regina, Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: March 24, 2025
Monitored since: August 26, 2024

Sugar Creek: Villa Ave Bridge at Sugar Creek

Villa Park, Illinois, United States

Waterbody Type:
Creek
Last observed: March 24, 2025
Monitored since: November 10, 2023

Bowker Creek: Browning Park

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: March 23, 2025
Monitored since: February 16, 2024

Bowker Creek: Pedestrian bridge at Wordsworth

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: March 23, 2025
Monitored since: October 8, 2024

Kishwaukee River: South Branch Kish

Union, Illinois, United States

Waterbody Type:
River
Last observed: March 23, 2025
Monitored since: November 29, 2024

Bowker Creek : Browning/mcrae

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: March 23, 2025
Monitored since: December 22, 2024

The Ching: Whitehall Plain

Buckhurst Hill, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: March 23, 2025
Monitored since: July 14, 2024

Winfield Creek: Winfield Creek-Memorial Park

Winfield, Illinois, United States

Waterbody Type:
Creek
Last observed: March 23, 2025
Monitored since: December 10, 2024

Ching Brook: Footbridge near Rangers Road

Buckhurst Hill, Essex, United Kingdom

Waterbody Type:
Stream
Last observed: March 23, 2025
Monitored since: July 14, 2024

Tributary entering SE End of East Lake: Cherry Valley Lions Memorial Park Boat Launch Dock

Cherry Valley, Ontario, Canada

Waterbody Type:
Creek
Last observed: March 23, 2025
Monitored since: April 28, 2017

Outlet River: Outlet River at Bridge on County Rd 18

Ontario, Canada

Waterbody Type:
River
Last observed: March 23, 2025
Monitored since: June 18, 2019

Twelve Mile Creek: Upper Decew Falls

Thorold, Ontario, Canada

Waterbody Type:
Creek
Last observed: March 23, 2025
Monitored since: January 2, 2025

River Lea: Markfield Park (Stonebridge Brook) CSO

London, Haringey, United Kingdom

Waterbody Type:
River
Last observed: March 23, 2025
Monitored since: June 29, 2024

Frensham pond: Frensham Pond Inlet stream

Lindford, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: March 23, 2025
Monitored since: May 31, 2022

Frensham Great Pond: Frensham Great Pond near outlet sluice

Blacknest, Surrey, United Kingdom

Waterbody Type:
Pond
Last observed: March 23, 2025
Monitored since: May 31, 2022