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?

8,211 locations

+51 new sample locations added in the past 30 days

Pearl River: Highway 35 Bridge

Carthage, Mississippi, United States

Waterbody Type:
River
Last observed: August 21, 2025
Monitored since: October 3, 2018
197 Observations
0 Issues

Lac Bélisle: Lac Bélisle Rive Est

Lac Des Plages, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 20, 2025
Monitored since: June 28, 2025
3 Observations
0 Issues

Lac Bélisle: Lac Bélisle-Source Ouest

Lac Des Plages, Quebec, Canada

Waterbody Type:
Unknown
Last observed: August 20, 2025
Monitored since: June 28, 2025
3 Observations
0 Issues

Lac Bélisle: Lac Bélisle- Centre plus profond

Lac Des Plages, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 20, 2025
Monitored since: June 30, 2025
4 Observations
0 Issues

Atlantic Ocean: Dead Neck

Mashpee, Massachusetts, United States

Waterbody Type:
Bay
Last observed: August 20, 2025
Monitored since: August 20, 2025
1 Observations
0 Issues

Mashpee River: Mill Pond Side

Mashpee, Massachusetts, United States

Waterbody Type:
Pond
Last observed: August 20, 2025
Monitored since: August 20, 2025
1 Observations
0 Issues

Lake Huron - Gawas Bay: Gawas Bay Channel

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 20, 2025
Monitored since: May 28, 2022
19 Observations
0 Issues

Lake Huron: Peace Park Beach

Thessalon, Ontario, Canada

Waterbody Type:
Lake
Last observed: August 20, 2025
Monitored since: April 24, 2025
17 Observations
0 Issues

River Wey: Broadford Road Bridge

Guildford, England, United Kingdom

Waterbody Type:
River
Last observed: August 20, 2025
Monitored since: July 7, 2025
4 Observations
0 Issues

Moore's Brooķ: North Inlet

London, England, United Kingdom

Waterbody Type:
Pond
Last observed: August 20, 2025
Monitored since: March 8, 2025
6 Observations
0 Issues

Pearl River: Pearl River at Carroll Loop

Foxworth, Mississippi, United States

Waterbody Type:
River
Last observed: August 20, 2025
Monitored since: May 28, 2024
36 Observations
0 Issues

Moore's Brook: Outlet

London, England, United Kingdom

Waterbody Type:
Stream
Last observed: August 20, 2025
Monitored since: March 8, 2025
8 Observations
0 Issues

Eelmoor Marsh SSSI: Pond

Aldershot, England, United Kingdom

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

St. Lawrence River: Guidon Park Beach Area

Long Sault, Ontario, Canada

Waterbody Type:
River
Last observed: August 19, 2025
Monitored since: August 19, 2025
1 Observations
0 Issues

St Lawrence River: Guidon Park area

Long Sault, Ontario, Canada

Waterbody Type:
River
Last observed: August 19, 2025
Monitored since: August 19, 2025
1 Observations
0 Issues

Lac Duparquet: Lac Duparquet

Duparquet, Quebec, Canada

Waterbody Type:
Lake
Last observed: August 19, 2025
Monitored since: July 13, 2021
21 Observations
0 Issues

Mississippi Lake: Black Bass Bay

Ontario, Canada

Waterbody Type:
Lake
Last observed: August 19, 2025
Monitored since: July 29, 2024
12 Observations
0 Issues

Petty's Brook: Tollhouse Meadow

Basingstoke And Deane Borough, Hampshire, United Kingdom

Waterbody Type:
Stream
Last observed: August 19, 2025
Monitored since: January 17, 2025
8 Observations
0 Issues

Lake Cane: KC's Dock

Orlando, Florida, United States

Waterbody Type:
Lake
Last observed: August 19, 2025
Monitored since: October 24, 2021
143 Observations
0 Issues

Wealdstone Brook: Imperial Way Bridge Lindsay Drive roundabout

Harrow, England, United Kingdom

Waterbody Type:
Unknown
Last observed: August 19, 2025
Monitored since: August 19, 2025
1 Observations
0 Issues

Basswood Lake: Basswood Lake

Thessalon, Ontario, Canada

Waterbody Type:
Lake
Last observed: August 18, 2025
Monitored since: June 8, 2025
13 Observations
0 Issues