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?

6,742 locations

+131 new sample locations added in the past 30 days

East Branch of the DuPage River: East Branch DuPage River at Churchill Woods

Lombard, Illinois, United States

Waterbody Type:
River
Last observed: March 9, 2024
Monitored since: January 29, 2024

Salt Creek: Salt Creek, Elk Grove Village, IL at Morton Park

Elk Grove Village, Illinois, United States

Waterbody Type:
Stream
Last observed: March 7, 2024
Monitored since: November 8, 2022

St. Joseph's Creek: St. Joseph's Creek @ 59th & Williams Street

Downers Grove, Illinois, United States

Waterbody Type:
Creek
Last observed: March 7, 2024
Monitored since: December 21, 2023

Banbury Heights Stream: Banbury Heights Stream

Brantford, Ontario, Canada

Waterbody Type:
Stream
Last observed: March 7, 2024
Monitored since: March 5, 2024

Wey: Springhead

Haslemere, West Sussex, United Kingdom

Waterbody Type:
Stream
Last observed: March 7, 2024
Monitored since: July 29, 2023

Boyne river: Flesherton hills

Ontario, Canada

Waterbody Type:
Pond
Last observed: March 6, 2024
Monitored since: March 6, 2024

Lake Ontario Bay of Quinte: East Bayshore Waterfront Park and Herchimer Rd Boat Launch in Belleville

Ontario, Canada

Waterbody Type:
Lake
Last observed: March 5, 2024
Monitored since: June 22, 2017

Moira River: Victoria Park & Harbour. Mouth of Moira River entering the Bay of Quinte

Belleville, Ontario, Canada

Waterbody Type:
River
Last observed: March 5, 2024
Monitored since: May 16, 2019

Massassauga Marsh: First Bridge on County Rd 28

Ontario, Canada

Waterbody Type:
Wetland
Last observed: March 5, 2024
Monitored since: July 10, 2019

Indian Boundary Park Pond: Indian Boundary Park

Chicago, Illinois, United States

Waterbody Type:
Unknown
Last observed: March 5, 2024
Monitored since: December 17, 2023

Tributary entering SE End of East Lake: Cherry Valley Lions Memorial Park Boat Launch Dock

Cherry Valley, Ontario, Canada

Waterbody Type:
Creek
Last observed: March 5, 2024
Monitored since: April 28, 2017

Creek leading to South Bay on Lake Ontario: South Bay Cres Public Boat Launch

Milford, Ontario, Canada

Waterbody Type:
Creek
Last observed: March 4, 2024
Monitored since: March 28, 2018

Kickapoo Creek: Kickapoo Creek at Vicary Bottom Park

Peoria, Illinois, United States

Waterbody Type:
Stream
Last observed: March 3, 2024
Monitored since: December 23, 2023

Dry Run Creek: Dry Run Creek in Lower Bradley Park

Peoria, Illinois, United States

Waterbody Type:
Creek
Last observed: March 3, 2024
Monitored since: December 23, 2023

Creek: Spring Creek

Schaumburg, Illinois, United States

Waterbody Type:
Unknown
Last observed: March 3, 2024
Monitored since: March 3, 2024

River Ock: OckfordCourt

Godalming, Surrey, United Kingdom

Waterbody Type:
River
Last observed: March 3, 2024
Monitored since: March 3, 2024

River Wey: Wey Springs, Weydon Road

Haslemere, Surrey, United Kingdom

Waterbody Type:
Stream
Last observed: March 3, 2024
Monitored since: June 25, 2023

River Lea: The White House Bridge (Old River Lea)

London, Hackney, United Kingdom

Waterbody Type:
River
Last observed: March 3, 2024
Monitored since: October 14, 2023

Ross Barnett Reservoir: Old Trace Park

Ridgeland, Mississippi, United States

Waterbody Type:
Lake
Last observed: March 2, 2024
Monitored since: April 28, 2018

West branch DuPage river: McDowell Grove forest preserve

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: March 2, 2024
Monitored since: December 17, 2023

West Lake: Public Boat Launch at Wellington Harbour on West Lake

Wellington, Ontario, Canada

Waterbody Type:
Bay
Last observed: March 2, 2024
Monitored since: April 10, 2019