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?

7,684 locations

+79 new sample locations added in the past 30 days

Sag Quarry - East: Sag Quarry- East

Lemont, Illinois, United States

Waterbody Type:
Lake
Last observed: December 18, 2024
Monitored since: December 8, 2024
2 Observations
0 Issues

Fox River: Dam 62

Algonquin, Illinois, United States

Waterbody Type:
River
Last observed: December 18, 2024
Monitored since: November 25, 2024
2 Observations
0 Issues

Silver Creek: Bensenville at Irving

Bensenville, Illinois, United States

Waterbody Type:
Unknown
Last observed: December 18, 2024
Monitored since: February 17, 2022
8 Observations
0 Issues

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
26 Observations
0 Issues

Lily Cache Creek: Lily Cache Creek

Plainfield, Illinois, United States

Waterbody Type:
Creek
Last observed: December 18, 2024
Monitored since: November 4, 2021
24 Observations
0 Issues

Galena River: GAlena River

Galena, Illinois, United States

Waterbody Type:
River
Last observed: December 18, 2024
Monitored since: December 18, 2024
1 Observations
0 Issues

Lily Cache Creek: Lily Cache Creek

Plainfield, Illinois, United States

Waterbody Type:
Creek
Last observed: December 18, 2024
Monitored since: November 4, 2021
26 Observations
0 Issues

St. Lawrence River: Rotary Creek

Ontario, Canada

Waterbody Type:
River
Last observed: December 18, 2024
Monitored since: July 8, 2019
23 Observations
0 Issues

Hogsmill: Middle Mill

London, Kingston upon Thames, United Kingdom

Waterbody Type:
River
Last observed: December 18, 2024
Monitored since: October 17, 2024
2 Observations
0 Issues

Root River: Root River Wishart Park

Ontario, Canada

Waterbody Type:
River
Last observed: December 17, 2024
Monitored since: March 1, 2024
31 Observations
0 Issues

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

Downers Grove, Illinois, United States

Waterbody Type:
Creek
Last observed: December 17, 2024
Monitored since: December 21, 2023
9 Observations
0 Issues

Mitchell Lake : Mitchell Lake

Carol Stream, Illinois, United States

Waterbody Type:
Unknown
Last observed: December 17, 2024
Monitored since: November 21, 2024
2 Observations
0 Issues

Klein Creek: Klein Creek at Fountain View Recreation Center

Carol Stream, Illinois, United States

Waterbody Type:
Creek
Last observed: December 17, 2024
Monitored since: December 19, 2023
8 Observations
0 Issues

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
3 Observations
0 Issues

Jordan Harbour: Jordan Harbour Conservation Area

Jordan Station, Ontario, Canada

Waterbody Type:
Pond
Last observed: December 17, 2024
Monitored since: October 29, 2024
3 Observations
0 Issues

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
2 Observations
0 Issues

Lake Ontario: Grande Hermine Ship Beach

Jordan Station, Ontario, Canada

Waterbody Type:
Lake
Last observed: December 17, 2024
Monitored since: October 29, 2024
3 Observations
0 Issues

Spring Brook Creek: Harry J. Wolf

Warrenville, Illinois, United States

Waterbody Type:
Creek
Last observed: December 17, 2024
Monitored since: November 12, 2024
2 Observations
0 Issues

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
8 Observations
0 Issues

Tricia Herriot: Tricia Herriott

Kennet District, Wiltshire, United Kingdom

Waterbody Type:
Stream
Last observed: December 17, 2024
Monitored since: June 1, 2024
7 Observations
0 Issues

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
1 Observations
0 Issues