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?

8,226 locations

+34 new sample locations added in the past 30 days

Twelve Mile Creek: Merritt Trail/Participark Trail

St. Catharines, Ontario, Canada

Waterbody Type:
Creek
Last observed: January 25, 2025
Monitored since: October 29, 2024

Twelve Mile Creek: Short Hills Provincial Park - Black Walnut Trail bridge

St. Catharines, Ontario, Canada

Waterbody Type:
Creek
Last observed: January 25, 2025
Monitored since: October 29, 2024

Thirteen Island Lake: Thirteen Island Lake North Shore

Ontario, Canada

Waterbody Type:
Lake
Last observed: January 20, 2025
Monitored since: October 4, 2024

North Branch Chicago River: North Branch Chicago River - California Park

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: January 18, 2025
Monitored since: December 21, 2024

Cress Creek: Cress Creek

Naperville, Illinois, United States

Waterbody Type:
Creek
Last observed: January 18, 2025
Monitored since: November 20, 2024

West Branch DuPage River: Bridge over river on Gartner Road near Edgewater Drive

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: January 18, 2025
Monitored since: December 24, 2024

Ross Barnett Reservoir: Old Trace Park

Ridgeland, Mississippi, United States

Waterbody Type:
Lake
Last observed: January 17, 2025
Monitored since: April 28, 2018

St Lawrence River : Maitland Tower

Ontario, Canada

Waterbody Type:
Unknown
Last observed: January 17, 2025
Monitored since: July 22, 2021

Round lake: Fish shack 25

Saskatchewan, Canada

Waterbody Type:
Lake
Last observed: January 16, 2025
Monitored since: January 16, 2025

Storm water pipe discharge south of 20th St and east of Mahon - WAG-W-02a Medium Priority: WAG-W-02a

North Vancouver, British Columbia, Canada

Waterbody Type:
Unknown
Last observed: January 15, 2025
Monitored since: July 22, 2024

19th St. Storm Drain - WAG-E-05 Low Priority: WAG-E-05

North Vancouver, British Columbia, Canada

Waterbody Type:
Unknown
Last observed: January 15, 2025
Monitored since: July 22, 2024

Stormwater pipe discharge South of 21st St and east of Mahon - WAG-W-02b Low Priority: WAG-W-02b

North Vancouver, British Columbia, Canada

Waterbody Type:
Unknown
Last observed: January 15, 2025
Monitored since: July 22, 2024

14th Street Storm drain - WAG-E-02 Low Priority: WAG-E-02

North Vancouver, British Columbia, Canada

Waterbody Type:
Unknown
Last observed: January 15, 2025
Monitored since: July 22, 2024

McKinley Park Lagoon: McKinley Park Lagoon

Chicago, Illinois, United States

Waterbody Type:
Pond
Last observed: January 11, 2025
Monitored since: December 8, 2024

Fox River: Fox River Oswego

Oswego, Illinois, United States

Waterbody Type:
River
Last observed: January 11, 2025
Monitored since: January 11, 2025

Bulli Brook: Bulli Brook

London, Ealing, United Kingdom

Waterbody Type:
Stream
Last observed: January 11, 2025
Monitored since: February 18, 2024

Kingsbury Brook: Kingsbury Brook (East)

London, Brent, United Kingdom

Waterbody Type:
Stream
Last observed: January 10, 2025
Monitored since: November 13, 2024

Canal weir, Crofton: Rob Vines

Crofton, Wiltshire, United Kingdom

Waterbody Type:
Canal
Last observed: January 10, 2025
Monitored since: June 10, 2024

Otter Creek, South Fork: Otter Creek

Grafton, Illinois, United States

Waterbody Type:
Creek
Last observed: January 9, 2025
Monitored since: January 11, 2024

Speed river: Speed river at Riverside park

Guelph, Ontario, Canada

Waterbody Type:
River
Last observed: January 7, 2025
Monitored since: December 29, 2024

Fletcher's Creek: Fletcher's Creek at Jessie Park

Brampton, Ontario, Canada

Waterbody Type:
Creek
Last observed: January 7, 2025
Monitored since: January 7, 2025