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

+103 new sample locations added in the past 30 days

Wildlife Pond: Broomfield Wildlife Pond

London, Enfield, United Kingdom

Waterbody Type:
Pond
Last observed: April 25, 2025
Monitored since: March 1, 2025

Tillingbourne: Tillingbourne

Abinger Hammer, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: April 25, 2025
Monitored since: April 30, 2023

StJohns Brook, Priory Park, Warwick : St John's Brook, Priory Park, Warwick

Warwick, Warwickshire, United Kingdom

Waterbody Type:
Unknown
Last observed: April 25, 2025
Monitored since: April 25, 2025

Lake Katherine Nature Center/Cal Sag Channel: West College Drive (Rt 83) & S. 75 th Ave Palos Heights,Il 60463

Palos Heights, Illinois, United States

Waterbody Type:
Pond
Last observed: April 25, 2025
Monitored since: November 20, 2024

Wetland: Broomfield Wetland SE outlet

London, Enfield, United Kingdom

Waterbody Type:
Wetland
Last observed: April 25, 2025
Monitored since: March 1, 2025

Broomfield Park Upper Lake South: Broomfield Park Upper Lake

London, Enfield, United Kingdom

Waterbody Type:
Lake
Last observed: April 25, 2025
Monitored since: February 16, 2025

Broomfield Middle Lake South: Broomfield Park Middle Lake

London, Enfield, United Kingdom

Waterbody Type:
Unknown
Last observed: April 25, 2025
Monitored since: March 1, 2025

Lake Huron : Sunset Dr water treatment plant

Thessalon, Ontario, Canada

Waterbody Type:
Lake
Last observed: April 25, 2025
Monitored since: April 25, 2025

Wey (Shalford to River Thames confluence at Weybridge): WEY AT NEWARK LANE, PYRFORD

Send, Surrey, United Kingdom

Waterbody Type:
River
Last observed: April 25, 2025
Monitored since: March 18, 2023

River Wey: Frensham Swimming Spot

Frensham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: April 25, 2025
Monitored since: May 17, 2024

River Wey: Bentley- upstream of outflow

Bentley, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: April 25, 2025
Monitored since: January 31, 2023

River Wey: Hammer Lane

Haslemere, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: April 25, 2025
Monitored since: August 27, 2022

R Wey north in Gostrey Meadow: R Wey north

Farnham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: April 25, 2025
Monitored since: September 23, 2023

Hoe Stream: Hoe stream at Mayford meadows

Woking Borough, Surrey, United Kingdom

Waterbody Type:
Unknown
Last observed: April 25, 2025
Monitored since: January 27, 2025

North Wey (Alton to Tilford): WEY ( NORTH ) BELOW BENTLEY STW

Blacknest, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: April 25, 2025
Monitored since: March 18, 2023

Hoe stream : Hoe stream

Woking, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: April 25, 2025
Monitored since: February 24, 2025

River Wey : Downstream of the westerly arch of Lower Eashing bridge

Godalming, Surrey, United Kingdom

Waterbody Type:
River
Last observed: April 25, 2025
Monitored since: July 25, 2022

Gartside Creek: Gartside Creek at IL Rt. 13

Belleville, Illinois, United States

Waterbody Type:
Creek
Last observed: April 24, 2025
Monitored since: August 30, 2024

St Lawrence River: St Lawrence River

Ontario, Canada

Waterbody Type:
Unknown
Last observed: April 24, 2025
Monitored since: April 24, 2025

West Branch DuPage River: Jefferson Ave Bridge, Naperville, West Branch DuPage River

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: April 24, 2025
Monitored since: December 1, 2024

Clear Creek: Clear Creek, South of E Canyon Rd bridge (downstream)

Apple River, Illinois, United States

Waterbody Type:
Creek
Last observed: April 24, 2025
Monitored since: November 30, 2024