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?

7,912 locations

+52 new sample locations added in the past 30 days

St. Lawrence River: St.Lawrence River

Ontario, Canada

Waterbody Type:
River
Last observed: April 9, 2025
Monitored since: April 9, 2025
1 Observations
0 Issues

Dollis Brook : Whetstone Stray

London, Barnet, United Kingdom

Waterbody Type:
River
Last observed: April 9, 2025
Monitored since: November 7, 2024
4 Observations
0 Issues

Rivière Richelieu: Centre-de-Plein-air-Ronald-Beauregard

Montreal, Quebec, Canada

Waterbody Type:
River
Last observed: April 9, 2025
Monitored since: July 26, 2024
3 Observations
0 Issues

River Brent: Brent Cross

London, Barnet, United Kingdom

Waterbody Type:
River
Last observed: April 9, 2025
Monitored since: February 18, 2025
2 Observations
0 Issues

Dollis Brook : Brook Farm Open Space

London, Barnet, United Kingdom

Waterbody Type:
River
Last observed: April 9, 2025
Monitored since: November 7, 2024
5 Observations
0 Issues

Dollis Brook: Quinta Open Space

London, Barnet, United Kingdom

Waterbody Type:
Stream
Last observed: April 9, 2025
Monitored since: November 7, 2024
4 Observations
0 Issues

The Ching: Hatch Roundabout - Downstream

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: April 9, 2025
Monitored since: March 21, 2025
3 Observations
0 Issues

The Ching: Hatch Roundabout - Upstream

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: April 9, 2025
Monitored since: March 21, 2025
3 Observations
0 Issues

Gartside Creek: Gartside Creek at IL Rt. 13

Belleville, Illinois, United States

Waterbody Type:
Creek
Last observed: April 8, 2025
Monitored since: August 30, 2024
5 Observations
0 Issues

Sugar Creek : Ewing Park II Sugar Creek Monitoring Site

Bloomington, Illinois, United States

Waterbody Type:
Creek
Last observed: April 8, 2025
Monitored since: December 1, 2023
27 Observations
0 Issues

Sugar Creek : Bloomington Normal Water Reclamation District (BNWRD) Sugar Creek Monitoring Site

Normal, Illinois, United States

Waterbody Type:
Creek
Last observed: April 8, 2025
Monitored since: November 14, 2023
28 Observations
0 Issues

Sugar Creek : Fairview Park Sugar Creek Stewards Monitoring Site

Normal, Illinois, United States

Waterbody Type:
Creek
Last observed: April 8, 2025
Monitored since: November 16, 2023
28 Observations
0 Issues

Lake Cane: KC's Dock

Orlando, Florida, United States

Waterbody Type:
Lake
Last observed: April 8, 2025
Monitored since: October 24, 2021
131 Observations
0 Issues

River Beam: River Beam

London, Thurrock, United Kingdom

Waterbody Type:
Unknown
Last observed: April 8, 2025
Monitored since: April 8, 2025
1 Observations
0 Issues

Bay of Quinte: Bay of Quinte Aikins Rd.

Rednersville, Ontario, Canada

Waterbody Type:
Unknown
Last observed: April 8, 2025
Monitored since: April 17, 2023
8 Observations
0 Issues

DuPage River : DuPage River at Riverwalk South Covered Bridge

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: April 7, 2025
Monitored since: December 14, 2023
12 Observations
0 Issues

Arbor Lake : Arbor Lake at Morton Arb

Lisle, Illinois, United States

Waterbody Type:
Lake
Last observed: April 7, 2025
Monitored since: November 1, 2023
13 Observations
0 Issues

Lake Ontario at Soup Harbour: Point Petre Provincial Wildlife Area

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 7, 2025
Monitored since: May 16, 2023
14 Observations
0 Issues

Humber River: Humber River at Magwood Sanctuary

Etobicoke, Ontario, Canada

Waterbody Type:
River
Last observed: April 7, 2025
Monitored since: April 25, 2021
30 Observations
0 Issues

Crabapple Lake: Crabapple Lake at Morton Arboretum

Lisle, Illinois, United States

Waterbody Type:
Lake
Last observed: April 7, 2025
Monitored since: November 12, 2024
6 Observations
0 Issues

Glen Abbey Golf Course Stream 1: Glen Abbey Golf Course Stream 1

Oakville, Ontario, Canada

Waterbody Type:
Stream
Last observed: April 7, 2025
Monitored since: April 7, 2025
1 Observations
0 Issues