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?

8,076 locations

+135 new sample locations added in the past 30 days

Hogsmill: Saipem S1 - Kingston Chamber of Commerce

London, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: June 11, 2025
Monitored since: March 12, 2025

Broomfield Park Upper Lake West Main Inlet: West Main Inlet

London, England, United Kingdom

Waterbody Type:
Lake
Last observed: June 11, 2025
Monitored since: June 11, 2025

West Pearl: Hwy 59 Pump Slew

Pearl River, Louisiana, United States

Waterbody Type:
River
Last observed: June 11, 2025
Monitored since: May 23, 2025

The Ching: Hatch Roundabout - Downstream

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: June 11, 2025
Monitored since: March 21, 2025

The Ching: Hatch Roundabout - Upstream

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: June 11, 2025
Monitored since: March 21, 2025

DeBoville Slough : Devon

Coquitlam, British Columbia, Canada

Waterbody Type:
Wetland
Last observed: June 11, 2025
Monitored since: November 9, 2022

Pinecrest creek : Pinecrest creek near hanlon ave

Ottawa, Ontario, Canada

Waterbody Type:
Bay
Last observed: June 10, 2025
Monitored since: June 10, 2025

Lac McGlashan: Entrance near road run-off

Val Des Monts, Quebec, Canada

Waterbody Type:
Unknown
Last observed: June 10, 2025
Monitored since: May 1, 2025

The Ching: Beech Hall

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: June 10, 2025
Monitored since: December 8, 2023

River Ching: Beech Hall Crescent CSO

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: June 10, 2025
Monitored since: November 5, 2024

Dollis Brook: Quinta Open Space

London, Barnet, United Kingdom

Waterbody Type:
Stream
Last observed: June 10, 2025
Monitored since: November 7, 2024

Kyd Brook: Kyd Brook S.W.O upstream

London, Bromley, United Kingdom

Waterbody Type:
Stream
Last observed: June 10, 2025
Monitored since: April 19, 2023

Kyd Brook: Kyd Brook S.W.O downstream

London, Bromley, United Kingdom

Waterbody Type:
Unknown
Last observed: June 10, 2025
Monitored since: April 19, 2023

Kyd Brook East : East Kyd Brook

London, Bromley, United Kingdom

Waterbody Type:
Stream
Last observed: June 10, 2025
Monitored since: April 19, 2023

Kyd Brook: Kyd Brook C.S.O

London, Bromley, United Kingdom

Waterbody Type:
Stream
Last observed: June 10, 2025
Monitored since: April 19, 2023

Big Carp River: Big Carp River Herkimer Rd

Ontario, Canada

Waterbody Type:
River
Last observed: June 9, 2025
Monitored since: March 1, 2024

Anglin Lake: Anglin Lake

Saskatchewan, Canada

Waterbody Type:
Unknown
Last observed: June 9, 2025
Monitored since: July 29, 2023

Lac McArthur: Lac McArthur

Val Des Monts, Quebec, Canada

Waterbody Type:
Unknown
Last observed: June 9, 2025
Monitored since: June 9, 2025

Tawatinaw Lake: Tawatinaw Valley Retreat dock

Alberta, Canada

Waterbody Type:
Lake
Last observed: June 8, 2025
Monitored since: August 3, 2023

Lac Blouin: Lac Blouin

Val D'Or, Quebec, Canada

Waterbody Type:
Lake
Last observed: June 8, 2025
Monitored since: June 15, 2020

St Lawrence river: St Lawrence river

Ontario, Canada

Waterbody Type:
River
Last observed: June 8, 2025
Monitored since: August 3, 2024