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?

6,726 locations

+120 new sample locations added in the past 30 days

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

Ausable River: Ausable River Mouth

Grand Bend, Ontario, Canada

Waterbody Type:
River

Lake Huron: Huron Woods Beach

Ontario, Canada

Waterbody Type:
Lake

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

Headwaters of Georgian Bay: Copeland Pump House

Hillsdale, Ontario, Canada

Waterbody Type:
Stream

Headwaters of Georgian Bay: Copeland off Line 5

Ontario, Canada

Waterbody Type:
Creek

Headwaters for Coldwater River into Georgian Bay: Copeland Coldwater River

Hillsdale, Ontario, Canada

Waterbody Type:
Stream

Sandy Creek: Sandy Creek at Highway Z

Pevely, Missouri, United States

Waterbody Type:
Stream Monitored since: December 11, 2013

Headwaters of Georgian Bay: Grand Allee

Hillsdale, Ontario, Canada

Waterbody Type:
Creek

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