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?

8,226 locations

+33 new sample locations added in the past 30 days

Ogasiwi Lake: Ogasiwi Lake

Chapleau, Ontario, Canada

Waterbody Type:
Lake
Last observed: May 6, 2025
Monitored since: May 6, 2025
1 Observations
0 Issues

Quibble Creek : Quibble Creek Creekside

New Westminster, British Columbia, Canada

Waterbody Type:
Creek
Last observed: May 6, 2025
Monitored since: January 28, 2025
23 Observations
0 Issues

East Branch DuPage River: Hill Ave Bridge

Lombard, Illinois, United States

Waterbody Type:
River
Last observed: May 6, 2025
Monitored since: November 17, 2023
14 Observations
0 Issues

Crow Lake: Onigaming Water Treatment Plant

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 6, 2025
Monitored since: October 2, 2024
3 Observations
0 Issues

Kennett: Avington

Newbury, West Berkshire, United Kingdom

Waterbody Type:
River
Last observed: May 6, 2025
Monitored since: August 27, 2024
2 Observations
0 Issues

DuPage River: DuPage River at South Hammel Woods Kayak Launch

Shorewood, Illinois, United States

Waterbody Type:
River
Last observed: May 5, 2025
Monitored since: November 27, 2024
7 Observations
0 Issues

Lake Huron: Green Street

Ontario, Canada

Waterbody Type:
Unknown
Last observed: May 5, 2025
Monitored since: May 5, 2025
1 Observations
0 Issues

Ferson Creek: Ferson Creek at Randall Road bike trail bridge

Saint Charles, Illinois, United States

Waterbody Type:
Creek
Last observed: May 5, 2025
Monitored since: December 15, 2023
14 Observations
0 Issues

Mill Creek: Mill Creek at bike trail bridge

Batavia, Illinois, United States

Waterbody Type:
Creek
Last observed: May 5, 2025
Monitored since: December 20, 2023
14 Observations
0 Issues

Arbor Lake : Arbor Lake at Morton Arb

Lisle, Illinois, United States

Waterbody Type:
Lake
Last observed: May 5, 2025
Monitored since: November 1, 2023
14 Observations
0 Issues

Crabapple Lake: Crabapple Lake at Morton Arboretum

Lisle, Illinois, United States

Waterbody Type:
Lake
Last observed: May 5, 2025
Monitored since: November 12, 2024
7 Observations
0 Issues

Klein Creek: Timber Ridge Forest Preserve

West Chicago, Illinois, United States

Waterbody Type:
Creek
Last observed: May 4, 2025
Monitored since: December 17, 2023
14 Observations
0 Issues

Hickman's Creek : Hickman's Creek @ Zingg & Seager Rd.

Millstadt, Illinois, United States

Waterbody Type:
Creek
Last observed: May 4, 2025
Monitored since: November 2, 2024
9 Observations
0 Issues

Elbow Lake: ELFR

Ontario, Canada

Waterbody Type:
Lake
Last observed: May 3, 2025
Monitored since: May 27, 2017
28 Observations
0 Issues

Kickapoo Creek : Kickapoo Creek at Leslie Rutherford Park

Dunlap, Illinois, United States

Waterbody Type:
Creek
Last observed: May 3, 2025
Monitored since: December 4, 2024
7 Observations
0 Issues

Lake Erie, Poverty Bay: Poverty Bay, Lake Erie

Crystal Beach, Ontario, Canada

Waterbody Type:
Bay
Last observed: May 2, 2025
Monitored since: December 30, 2024
6 Observations
0 Issues

St Joseph Creek: St Joseph Creek Downers Grove

Downers Grove, Illinois, United States

Waterbody Type:
Unknown
Last observed: May 2, 2025
Monitored since: October 25, 2024
9 Observations
0 Issues

unnamed creek: Unnamed Creek on Rock Island Greenway

Peoria, Illinois, United States

Waterbody Type:
Creek
Last observed: May 2, 2025
Monitored since: December 24, 2023
11 Observations
0 Issues

Dry Run Creek: Dry Run Creek in Lower Bradley Park

Peoria, Illinois, United States

Waterbody Type:
Creek
Last observed: May 2, 2025
Monitored since: December 23, 2023
10 Observations
0 Issues

Point Abino Marsh: Point Abino Marsh

Ontario, Canada

Waterbody Type:
Wetland
Last observed: May 2, 2025
Monitored since: December 30, 2024
6 Observations
0 Issues

spring: Spring at bottom of Navy Avenue (west side of road)

Saskatchewan, Canada

Waterbody Type:
Unknown
Last observed: May 2, 2025
Monitored since: July 18, 2023
5 Observations
0 Issues