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?

7,699 locations

+81 new sample locations added in the past 30 days

Helliwell Lake : Helliwell Lake Bridge (RR 250)

Alberta, Canada

Waterbody Type:
Lake
Last observed: October 3, 2024
Monitored since: October 6, 2023
6 Observations
0 Issues

Small tributary to River Wey: Harrops 2

Blacknest, Hampshire, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: January 1, 2000
2 Observations
0 Issues

Desbarats Lake: Desbarats Lake off boat ramp

Ontario, Canada

Waterbody Type:
Unknown
Last observed: October 2, 2024
Monitored since: June 19, 2022
13 Observations
0 Issues

Turkey brook: Forty hill

Waltham Cross, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Turkey brook: Hillyfields park

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Cuffley brook: Cuffley brook downstream

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Cuffley Brook: Cuffley Brook Downstream

Waltham Cross, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

River Brent: Costons Weir Confluence

London, Ealing, United Kingdom

Waterbody Type:
River
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Costons Brook: Costons Brooks

London, Ealing, United Kingdom

Waterbody Type:
Stream
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Turkey Brook: Cuffley brook upstream

London, Enfield, United Kingdom

Waterbody Type:
Bay
Last observed: October 2, 2024
Monitored since: October 2, 2024
1 Observations
0 Issues

Lilla Vartan: Stockholm waterfront

Stockholm, Stockholms län, Sweden

Waterbody Type:
River
Last observed: October 1, 2024
Monitored since: August 30, 2018
3 Observations
0 Issues

Ottawa River : Lavergne Bay and Lavergne Marsh

Ottawa, Ontario, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: July 22, 2013
33 Observations
0 Issues

Mouth of Madawaska River: Madawaska at Ottawa rivers

Arnprior, Ontario, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: May 24, 2014
35 Observations
1 Issues

Mississippi River: Near mouth

Ottawa, Ontario, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: May 24, 2014
30 Observations
0 Issues

Tawatinaw River - Colinton, Alberta: East of northern foot bridge

Alberta, Canada

Waterbody Type:
River
Last observed: September 30, 2024
Monitored since: July 31, 2023
6 Observations
0 Issues

Big Rideau Lake: Rideau Ferry Marina

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: June 8, 2005
35 Observations
0 Issues

Big Rideau Lake: BRLA - McCleans Bay

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: May 27, 2018
38 Observations
0 Issues

Diamond Lake: Boat Ramp @ Diamond Lake Park

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: May 29, 2023
10 Observations
0 Issues

Ottertail Lake: Dock @ Rydal Bank Park

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: May 29, 2023
10 Observations
0 Issues

Rock Lake: Rock Lake - Old Mill Beach Boat Ramp

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: May 29, 2023
10 Observations
0 Issues

Mississippi Lake: Flintoff Bay

Ontario, Canada

Waterbody Type:
Lake
Last observed: September 30, 2024
Monitored since: June 19, 2023
26 Observations
0 Issues