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?

8,081 locations

+132 new sample locations added in the past 30 days

Saint Joseph Creek: Saint Joseph Creek

Lisle, Illinois, United States

Waterbody Type:
Creek
Last observed: May 26, 2025
Monitored since: December 2, 2023
15 Observations
0 Issues

Rive Ditch: Birchwood Close

Addlestone, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: May 26, 2025
Monitored since: March 30, 2025
5 Observations
0 Issues

Stream behind QMS: Wetland water run off behind QMS

New Brunswick, Canada

Waterbody Type:
Unknown
Last observed: May 26, 2025
Monitored since: May 26, 2023
2 Observations
0 Issues

River Wey: Wey Navigation

Guildford, Surrey, United Kingdom

Waterbody Type:
River
Last observed: May 26, 2025
Monitored since: May 10, 2022
35 Observations
0 Issues

River Wey: Island Training location, Riverside

Guildford, Surrey, United Kingdom

Waterbody Type:
Unknown
Last observed: May 26, 2025
Monitored since: May 10, 2022
35 Observations
0 Issues

Unstead Inlet: From Godalming Treatment Works

Godalming, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: May 26, 2025
Monitored since: July 20, 2023
23 Observations
0 Issues

Pymmes Brook: Waterfall Walk 2 (Downstream)

London, Barnet, United Kingdom

Waterbody Type:
Stream
Last observed: May 26, 2025
Monitored since: May 1, 2023
6 Observations
0 Issues

Unstead Wetland Reserve: Unstead Exit (outflow)

Bramley, Surrey, United Kingdom

Waterbody Type:
Wetland
Last observed: May 26, 2025
Monitored since: July 20, 2023
23 Observations
0 Issues

Botany Stream, River Medway, Tonbridge: Postern Lane Bridge

Tonbridge, England, United Kingdom

Waterbody Type:
River
Last observed: May 26, 2025
Monitored since: April 28, 2025
2 Observations
0 Issues

Fox Wood Beck tributary of Wyke Beck: Fox Wood Beck

Leeds, Leeds, United Kingdom

Waterbody Type:
Stream
Last observed: May 26, 2025
Monitored since: January 26, 2025
5 Observations
0 Issues

Botany Stream, River Medway, Tonbridge: Waitrose Bridge

Tonbridge, England, United Kingdom

Waterbody Type:
River
Last observed: May 26, 2025
Monitored since: April 28, 2025
2 Observations
0 Issues

Great Heads Beck: Great Head Becks 1 in Addyman Woods

Leeds, Leeds, United Kingdom

Waterbody Type:
Unknown
Last observed: May 26, 2025
Monitored since: January 26, 2025
5 Observations
0 Issues

Lac: Lac Tiblemont

Senneterre, Quebec, Canada

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

Lake Erie: Colchester Harbour and Beach

Harrow, Ontario, Canada

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

Madge Lake: Jubilee Park dock

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: May 27, 2022
18 Observations
0 Issues

Red Horse Lake: Right side Long Point

Ontario, Canada

Waterbody Type:
Bay
Last observed: May 25, 2025
Monitored since: May 20, 2024
3 Observations
0 Issues

Hamilton Harbour: Bayfront Park Beach

Hamilton, Ontario, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: July 21, 2020
8 Observations
0 Issues

River: Rouge River

Markham, Ontario, Canada

Waterbody Type:
River
Last observed: May 25, 2025
Monitored since: October 7, 2024
5 Observations
0 Issues

Lake Huron: Green Road

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 25, 2025
Monitored since: April 28, 2024
8 Observations
0 Issues

Stream: MA102

Markham, Ontario, Canada

Waterbody Type:
Stream
Last observed: May 25, 2025
Monitored since: October 7, 2024
5 Observations
0 Issues

Lake Ontario: Burlington Beachway Park at Dunky's Beach Shack

Burlington, Ontario, Canada

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