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?

7,965 locations

+59 new sample locations added in the past 30 days

The Ching: Whitehall Plain

Buckhurst Hill, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: May 18, 2025
Monitored since: July 14, 2024

Petty's Brook: Tollhouse Meadow

Basingstoke And Deane Borough, Hampshire, United Kingdom

Waterbody Type:
Stream
Last observed: May 18, 2025
Monitored since: January 17, 2025

Salmons Brook/Houndsden Gutter/Grovelands Stream: Grovelands Park Lake Entry

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: May 18, 2025
Monitored since: April 23, 2023

Salmons Brook/Houndsden Gutter/Grovelands Stream: Grovelands Park Lake Downstream of reedbeds

London, Enfield, United Kingdom

Waterbody Type:
Unknown
Last observed: May 18, 2025
Monitored since: August 12, 2024

Salmons Brook/Houndsden Gutter/Grovelands Stream: Grovelands Park Stream below dam

London, Enfield, United Kingdom

Waterbody Type:
Stream
Last observed: May 18, 2025
Monitored since: July 30, 2023

Ching Brook: Footbridge near Rangers Road

Buckhurst Hill, Essex, United Kingdom

Waterbody Type:
Stream
Last observed: May 18, 2025
Monitored since: July 14, 2024

Folly Brook/Dollis Brook: Darlands Lake (Upstream)

London, Barnet, United Kingdom

Waterbody Type:
River
Last observed: May 18, 2025
Monitored since: May 21, 2023

Woodscreek : Woodscreek Park: 3 Pipe Inlet, Ackman Rd and Golf Course Rd, Crystal Lake, Il

Crystal Lake, Illinois, United States

Waterbody Type:
Creek
Last observed: May 17, 2025
Monitored since: November 27, 2024

Duck pond: Bellevue Park duck pond

Ontario, Canada

Waterbody Type:
Pond
Last observed: May 17, 2025
Monitored since: February 22, 2024

Rouge River: Rouge River

Quebec, Canada

Waterbody Type:
River
Last observed: May 17, 2025
Monitored since: July 27, 2024

Salt Creek: Meeker Bridge

Warkworth, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 17, 2025
Monitored since: May 13, 2025

River Ching: Whitehall Outfall 5b

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
River
Last observed: May 17, 2025
Monitored since: March 14, 2025

River Ching: Whitehall Outfall 5a

Buckhurst Hill, Redbridge, United Kingdom

Waterbody Type:
River
Last observed: May 17, 2025
Monitored since: March 14, 2025

East Davignon Creek: East Davignon Farwell Terrace (near Tim Hortons)

Ontario, Canada

Waterbody Type:
Creek
Last observed: May 17, 2025
Monitored since: March 1, 2024

Spring Brook: Spring Brook in St. James Farm Forest Preserve

Wheaton, Illinois, United States

Waterbody Type:
Stream
Last observed: May 17, 2025
Monitored since: December 11, 2023

River Ching: Beech Hall Crescent CSO

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: May 17, 2025
Monitored since: November 5, 2024

The Ching: Beech Hall

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: May 17, 2025
Monitored since: December 8, 2023

Moselle Brook: Lordship Recreation Ground (Downstream)

London, Haringey, United Kingdom

Waterbody Type:
Stream
Last observed: May 17, 2025
Monitored since: April 20, 2024

Eau douce : Jardin Botanique

Saint Jacques, New Brunswick, Canada

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

Cold Water Creek: Cold Water Creek at Old Garden River Road

Rankin Location Indian Reserve 15d, Ontario, Canada

Waterbody Type:
Creek
Last observed: May 16, 2025
Monitored since: March 1, 2024

Rivière Du Berger: Pont rivière du berger / Chauveau

Québec, Quebec, Canada

Waterbody Type:
River
Last observed: May 16, 2025
Monitored since: May 16, 2025