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?

7,913 locations

+52 new sample locations added in the past 30 days

Bowker Creek: 3.4 Duck Ponds

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: March 20, 2025
Monitored since: November 16, 2021

Bowker Creek: 1.3 Monteith

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: March 20, 2025
Monitored since: August 8, 2020

DuPage River: DuPage River at South Hammel Woods Kayak Launch

Shorewood, Illinois, United States

Waterbody Type:
River
Last observed: March 20, 2025
Monitored since: November 27, 2024

Pymmes Brook: Oak Hill Park 2 (Downstream)

London, Barnet, United Kingdom

Waterbody Type:
Stream
Last observed: March 20, 2025
Monitored since: July 1, 2023

Pymmes Brook: Downstream of Jack’s Lake

London, Barnet, United Kingdom

Waterbody Type:
River
Last observed: March 20, 2025
Monitored since: February 26, 2025

Magnolia River: Eslava Drive

Foley, Alabama, United States

Waterbody Type:
River
Last observed: March 19, 2025
Monitored since: February 26, 2025

South Branch Chicago River: Canal Origins Park

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: March 19, 2025
Monitored since: December 20, 2024

River Lea: Upstream of Markfield Park (Stonebridge Brook) CSO

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: March 19, 2025
Monitored since: June 29, 2024

River Thames: Riverbank Apartments

Staines, Surrey, United Kingdom

Waterbody Type:
Wetland
Last observed: March 19, 2025
Monitored since: March 5, 2025

Dagenham Brook Chestnuts Field: Chestnuts Field (Before Wetland Outfall)

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: March 19, 2025
Monitored since: March 14, 2025

Chestnut Field Wetland: Chestnut Field Wetland (Top of the Wetland)

London, Waltham Forest, United Kingdom

Waterbody Type:
Wetland
Last observed: March 19, 2025
Monitored since: March 19, 2025

Dagenham Brook Chestnuts Field: Chestnuts Field (After Wetland Outfall)

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: March 19, 2025
Monitored since: March 14, 2025

Chestnut Field Wetland: Chestnut Field Wetland (Bottom of the Wetland)

London, Waltham Forest, United Kingdom

Waterbody Type:
Wetland
Last observed: March 19, 2025
Monitored since: March 14, 2025

River Dagenham Brook: Chestnut Farm Allotments Downstream (Dagenham Brook)

London, Waltham Forest, United Kingdom

Waterbody Type:
Unknown
Last observed: March 19, 2025
Monitored since: March 19, 2025

River: Chestnut Farm Allotments Upstream (Dagenham Brook)

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: March 19, 2025
Monitored since: March 15, 2025

creek: Kenyon Woods Forest Preserve

South Elgin, Illinois, United States

Waterbody Type:
Creek
Last observed: March 18, 2025
Monitored since: October 31, 2023

Lake Wabukayne: Lake Wabukayne Park

Streetsville, Ontario, Canada

Waterbody Type:
Unknown
Last observed: March 18, 2025
Monitored since: March 18, 2025

Black Creek ( River ): Black River marsh outlet from stream

Milford, Ontario, Canada

Waterbody Type:
Creek
Last observed: March 18, 2025
Monitored since: March 22, 2019

South Branch of Kishwaukee River: South Branch of Kishwaukee River at N. 1st Street

Dekalb, Illinois, United States

Waterbody Type:
River
Last observed: March 18, 2025
Monitored since: November 20, 2024

Bourbonnais Creek: Bourbonnais Creek Upstream

Bourbonnais, Illinois, United States

Waterbody Type:
Creek
Last observed: March 17, 2025
Monitored since: April 22, 2024

Lake Aquitaine: Lake Aquitaine Park

Streetsville, Ontario, Canada

Waterbody Type:
Pond
Last observed: March 17, 2025
Monitored since: March 17, 2025