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?

8,226 locations

+33 new sample locations added in the past 30 days

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: 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

River Lea diversion : River Lea diversion

London, Waltham Forest, United Kingdom

Waterbody Type:
Unknown
Last observed: April 24, 2025
Monitored since: March 11, 2025

Apple River: Apple River in Apple River Canyon State Park

Stockton, Illinois, United States

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

Birchmere Lake: Birchmere Lake outflow

London, Greenwich, United Kingdom

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

Lombard Lagoon: Joe LeCroy

Lombard, Illinois, United States

Waterbody Type:
Pond
Last observed: April 23, 2025
Monitored since: November 27, 2024

Black River : Black River 1216 County Rd 13

Milford, Ontario, Canada

Waterbody Type:
River
Last observed: April 23, 2025
Monitored since: July 23, 2022

Vernal Pond: Vernal Pond

London, Ontario, Canada

Waterbody Type:
Unknown
Last observed: April 23, 2025
Monitored since: April 23, 2025

Beaver Pond Site 5 Westminster Ponds ESA : Beaver Pond Site 5 Westminster Ponds ESA

London, Ontario, Canada

Waterbody Type:
Pond
Last observed: April 23, 2025
Monitored since: May 12, 2021

RNS Campus Pond: RNS Campus Pond

Rothesay, New Brunswick, Canada

Waterbody Type:
Pond
Last observed: April 23, 2025
Monitored since: April 23, 2025