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?

8,239 locations

+7 new sample locations added in the past 30 days

Hammond River: Mine Discharge Brook

New Brunswick, Canada

Waterbody Type:
Stream
Last observed: April 28, 2025
Monitored since: November 1, 2019
6 Observations
0 Issues

Creek: Bilston Creek at Witty’s Park

Metchosin, British Columbia, Canada

Waterbody Type:
Creek
Last observed: April 27, 2025
Monitored since: January 14, 2024
12 Observations
0 Issues

Welland River: Chippawa Boat Ramp & Naisbitt Parkette

Ontario, Canada

Waterbody Type:
River
Last observed: April 27, 2025
Monitored since: December 27, 2024
3 Observations
0 Issues

Lake Ontario: Long Point Harbour

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 27, 2025
Monitored since: October 11, 2021
22 Observations
0 Issues

Welland River: Chippawa-Front Street Public Dock & McKenzie Landing

Ontario, Canada

Waterbody Type:
River
Last observed: April 27, 2025
Monitored since: December 30, 2024
4 Observations
0 Issues

River Tillingbourne: Shalford Mill

Guildford, Surrey, United Kingdom

Waterbody Type:
River
Last observed: April 27, 2025
Monitored since: November 28, 2022
25 Observations
0 Issues

Speedriver: Medicine wheel bridge

Guelph, Ontario, Canada

Waterbody Type:
River
Last observed: April 27, 2025
Monitored since: April 27, 2025
1 Observations
0 Issues

River Wey: Frank’s Scrubbies Meadow

Haslemere, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: April 27, 2025
Monitored since: August 19, 2023
8 Observations
0 Issues

Tillingbourne Stream: Tillingbourne Stream - Shere

Shere, Surrey, United Kingdom

Waterbody Type:
River
Last observed: April 26, 2025
Monitored since: February 26, 2023
4 Observations
0 Issues

Beck: C2

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: April 26, 2025
Monitored since: January 26, 2025
3 Observations
0 Issues

Rivière clair: Cornwall Marine

Ontario, Canada

Waterbody Type:
Unknown
Last observed: April 25, 2025
Monitored since: July 16, 2024
2 Observations
0 Issues

Fox River: Fox River at Hudson Crossing Park

Oswego, Illinois, United States

Waterbody Type:
Unknown
Last observed: April 25, 2025
Monitored since: April 20, 2025
1 Observations
0 Issues

Wildlife Pond: Conway Rd Rec Pond

London, England, United Kingdom

Waterbody Type:
Pond
Last observed: April 25, 2025
Monitored since: April 25, 2025
1 Observations
0 Issues

Wildlife Pond: Broomfield Wildlife Pond

London, Enfield, United Kingdom

Waterbody Type:
Pond
Last observed: April 25, 2025
Monitored since: March 1, 2025
2 Observations
0 Issues

Tillingbourne: Tillingbourne

Abinger Hammer, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: April 25, 2025
Monitored since: April 30, 2023
2 Observations
0 Issues

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
1 Observations
0 Issues

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
6 Observations
0 Issues

Lake Huron : Sunset Dr water treatment plant

Thessalon, Ontario, Canada

Waterbody Type:
Lake
Last observed: April 25, 2025
Monitored since: April 25, 2025
1 Observations
0 Issues

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
2 Observations
0 Issues

River Wey: Bentley- upstream of outflow

Bentley, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: April 25, 2025
Monitored since: January 31, 2023
2 Observations
0 Issues

River Wey: Hammer Lane

Haslemere, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: April 25, 2025
Monitored since: August 27, 2022
9 Observations
0 Issues