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?

7,630 locations

+107 new sample locations added in the past 30 days

DuPage River (west branch): West Branch of the DuPage River

Naperville, Illinois, United States

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

Bowker Creek: 1.3 Monteith

Victoria, British Columbia, Canada

Waterbody Type:
Creek
Last observed: December 18, 2024
Monitored since: August 8, 2020

Crystal Creek: Main Street

Algonquin, Illinois, United States

Waterbody Type:
Creek
Last observed: December 18, 2024
Monitored since: November 25, 2024

Nippersink Creek: Nippersink Creek at the Keystone Landing in McHenry County Conservation District's Glacial Park Conservation Area

Ringwood, Illinois, United States

Waterbody Type:
Creek
Last observed: December 18, 2024
Monitored since: November 30, 2024

Fox River: Dam 62

Algonquin, Illinois, United States

Waterbody Type:
River
Last observed: December 18, 2024
Monitored since: November 25, 2024

Silver Creek: Bensenville at Irving

Bensenville, Illinois, United States

Waterbody Type:
Unknown
Last observed: December 18, 2024
Monitored since: February 17, 2022

Salt Creek: Salt Creek Park Forest Preserve

Wood Dale, Illinois, United States

Waterbody Type:
Creek
Last observed: December 18, 2024
Monitored since: November 15, 2023

Lily Cache Creek: Lily Cache Creek

Plainfield, Illinois, United States

Waterbody Type:
Creek
Last observed: December 18, 2024
Monitored since: November 4, 2021

Lily Cache Creek: Lily Cache Creek

Plainfield, Illinois, United States

Waterbody Type:
Creek
Last observed: December 18, 2024
Monitored since: November 4, 2021

Black Creek: Black Creek bridge at College Road (Upstream)

Ontario, Canada

Waterbody Type:
Creek
Last observed: December 17, 2024
Monitored since: October 29, 2024

Black Creek: Black Creek footbridge from Shagbark Lane (Downstream)

Ontario, Canada

Waterbody Type:
Creek
Last observed: December 17, 2024
Monitored since: October 29, 2024

Grand River: Port Maitland Esplanade Park and Pier

Dunnville, Ontario, Canada

Waterbody Type:
River
Last observed: December 17, 2024
Monitored since: October 29, 2024

Mitchell Lake : Mitchell Lake

Carol Stream, Illinois, United States

Waterbody Type:
Unknown
Last observed: December 17, 2024
Monitored since: November 21, 2024

Twenty Mile Creek: Twenty Mile Creek at Twenty-First Street

Jordan, Ontario, Canada

Waterbody Type:
Creek
Last observed: December 17, 2024
Monitored since: October 29, 2024

Jordan Harbour: Jordan Harbour Conservation Area

Jordan Station, Ontario, Canada

Waterbody Type:
Pond
Last observed: December 17, 2024
Monitored since: October 29, 2024

Lake Katherine Nature Center/Cal Sag Channel: West College Drive (Rt 83) & S. 75 th Ave Palos Heights,Il 60463

Palos Heights, Illinois, United States

Waterbody Type:
Pond
Last observed: December 17, 2024
Monitored since: November 20, 2024

Lake Ontario: Grande Hermine Ship Beach

Jordan Station, Ontario, Canada

Waterbody Type:
Lake
Last observed: December 17, 2024
Monitored since: October 29, 2024

Spring Brook Creek: Harry J. Wolf

Warrenville, Illinois, United States

Waterbody Type:
Creek
Last observed: December 17, 2024
Monitored since: November 12, 2024

Floating Dock at Spettigue Pond (Site 4) Westminster Ponds ESA : Floating Dock at Spettigue Pond (Site 4) Westminster Ponds ESA

London, Ontario, Canada

Waterbody Type:
Pond
Last observed: December 17, 2024
Monitored since: May 31, 2021

Tricia Herriot: Tricia Herriott

Kennet District, Wiltshire, United Kingdom

Waterbody Type:
Stream
Last observed: December 17, 2024
Monitored since: June 1, 2024

Prentiss Creek: Prentiss Creek at Prentiss Street

Downers Grove, Illinois, United States

Waterbody Type:
Creek
Last observed: December 16, 2024
Monitored since: December 16, 2024