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?

8,158 locations

+91 new sample locations added in the past 30 days

Lake Ontario: Confederation Basin

Kingston, Ontario, Canada

Waterbody Type:
Lake

Yarnell Creek: Yarnell Creek at Fenton Park

Fenton, Missouri, United States

Waterbody Type:
Stream Monitored since: December 24, 2012

Williams Creek: Williams Creek at Antire Road

High Ridge, Missouri, United States

Waterbody Type:
Stream Monitored since: November 25, 2013

Ottawa River: Barnett Park

Ottawa, Ontario, Canada

Waterbody Type:
River Monitored since: August 12, 2021

Lily Cache Creek: Lily Cache Creek

Joliet, Illinois, United States

Waterbody Type:
Creek

Two-Mile Creek: Two-Mile Creek at Overbrook Drive

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: December 12, 2012

Sugar Creek tributary: Sugar Creek tributary at Des Peres Road

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: February 22, 2014

Sugar Creek: Sugar Creek at Barrett Station Road

Ballwin, Missouri, United States

Waterbody Type:
Stream Monitored since: February 22, 2014

Sebago Creek: Sebago Creek at Old Warson Road

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: November 28, 2012

Sandy Creek: Sandy Creek at Highway Z

Pevely, Missouri, United States

Waterbody Type:
Stream Monitored since: December 11, 2013

Sandy Creek: Sandy Creek at Old Lemay Ferry Road

Hillsboro, Missouri, United States

Waterbody Type:
Stream Monitored since: December 11, 2013

River des Peres tributary: River des Peres tributary at Ruth Park Woods

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: December 17, 2013

River des Peres tributary: River des Peres tributary at Woodson Road Park

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: December 19, 2013

River des Peres: River des Peres at Fultz Field

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: December 12, 2013

River des Peres: River des Peres at Slay Park

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: December 12, 2013

Lake Ontario: Lemoine Point Farm

Kingston, Ontario, Canada

Waterbody Type:
Lake

River des Peres: River des Peres at Mona Terrace

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: December 5, 2013

River des Peres: River des Peres at Olive Blvd.

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: December 19, 2013

River des Peres: River des Peres at Woodson Road Park

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: December 5, 2013

Pebble Creek: Pebble Creek at MICDS

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: January 17, 2015

Monsanto-Sunswept Creek: Monsanto-Sunswept Creek at Chaminade HS

Saint Louis, Missouri, United States

Waterbody Type:
Stream Monitored since: November 28, 2012