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?

8,239 locations

+7 new sample locations added in the past 30 days

Grand River: Schneider Park Water Site

Kitchener, Ontario, Canada

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: August 25, 2024
5 Observations
1 Issues

Miramichi River: Juniper Bridge

New Brunswick, Canada

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: May 4, 2019
5 Observations
0 Issues

Old Lea: Top of Berms

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: August 10, 2024
6 Observations
0 Issues

Old Lea: Bottom of Berms

London, Waltham Forest, United Kingdom

Waterbody Type:
River
Last observed: May 10, 2025
Monitored since: August 10, 2024
8 Observations
0 Issues

Hamilton Brook: South Knowlesville, New Brunswick

New Brunswick, Canada

Waterbody Type:
Stream
Last observed: May 9, 2025
Monitored since: October 21, 2017
18 Observations
0 Issues

Un-named creek: Unknown creek flowing into Hamilton Brook

New Brunswick, Canada

Waterbody Type:
Creek
Last observed: May 9, 2025
Monitored since: April 29, 2019
10 Observations
0 Issues

St. Lawrence River: Rotary Creek

Ontario, Canada

Waterbody Type:
River
Last observed: May 9, 2025
Monitored since: July 8, 2019
41 Observations
0 Issues

Coldstream at Gilmore Rd and #580 corner: Coldstream near Hamilton Brook Junction

New Brunswick, Canada

Waterbody Type:
Stream
Last observed: May 9, 2025
Monitored since: May 10, 2022
6 Observations
0 Issues

Crystal Creek: Main Street

Algonquin, Illinois, United States

Waterbody Type:
Creek
Last observed: May 8, 2025
Monitored since: November 25, 2024
9 Observations
0 Issues

Fox River: Dam 62

Algonquin, Illinois, United States

Waterbody Type:
River
Last observed: May 8, 2025
Monitored since: November 25, 2024
9 Observations
0 Issues

West Humber River: Downstream of the bridge

Etobicoke, Ontario, Canada

Waterbody Type:
River
Last observed: May 7, 2025
Monitored since: August 29, 2024
10 Observations
0 Issues

Mill Creek: Mill Creek at Campton FP

Saint Charles, Illinois, United States

Waterbody Type:
Creek
Last observed: May 7, 2025
Monitored since: December 27, 2023
11 Observations
0 Issues

West Ridge Nature Park Pond: West Ridge Nature Park Pond

Chicago, Illinois, United States

Waterbody Type:
Pond
Last observed: May 7, 2025
Monitored since: November 15, 2024
6 Observations
0 Issues

East Branch DuPage River : East Branch DuPage River at Morton Arb

Downers Grove, Illinois, United States

Waterbody Type:
River
Last observed: May 7, 2025
Monitored since: November 1, 2023
14 Observations
0 Issues

Lacey Creek: Lacey Creek at Morton Arboretum

Downers Grove, Illinois, United States

Waterbody Type:
Creek
Last observed: May 7, 2025
Monitored since: November 20, 2023
15 Observations
0 Issues

Murray Lake (North East): Murray Lake

Ontario, Canada

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

Suddene stream, below sewage treatment: Tom & Deborah Beese

Kennet District, Wiltshire, United Kingdom

Waterbody Type:
Unknown
Last observed: May 6, 2025
Monitored since: June 1, 2024
12 Observations
0 Issues

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