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?

7,912 locations

+52 new sample locations added in the past 30 days

Klein Creek: Timber Ridge Forest Preserve

West Chicago, Illinois, United States

Waterbody Type:
Creek
Last observed: April 6, 2025
Monitored since: December 17, 2023
13 Observations
0 Issues

North Branch Chicago River at Eugene Field Park Footbridge: Eugene Field Park

Chicago, Illinois, United States

Waterbody Type:
River
Last observed: April 6, 2025
Monitored since: December 15, 2024
4 Observations
0 Issues

Pond: Carville Mill Park

Vaughan, Ontario, Canada

Waterbody Type:
Pond
Last observed: April 6, 2025
Monitored since: October 27, 2024
3 Observations
0 Issues

Suddene stream, below sewage treatment: Tom & Deborah Beese

Kennet District, Wiltshire, United Kingdom

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

Mill Pond: Mill Pond

Richmond Hill, Ontario, Canada

Waterbody Type:
Pond
Last observed: April 6, 2025
Monitored since: October 27, 2024
3 Observations
0 Issues

Stream: Bayou Path Dr Stream in Atwater Subdivision

Naperville, Illinois, United States

Waterbody Type:
Stream
Last observed: April 6, 2025
Monitored since: December 21, 2023
13 Observations
0 Issues

Creek: Beaver Creek

Richmond Hill, Ontario, Canada

Waterbody Type:
Creek
Last observed: April 6, 2025
Monitored since: October 27, 2024
3 Observations
0 Issues

Spring Brook Creek: Spring Brook Creek

Wheaton, Illinois, United States

Waterbody Type:
Creek
Last observed: April 6, 2025
Monitored since: December 8, 2024
5 Observations
0 Issues

Brent River: Brent_41 Union Canal Towpath

London, Ealing, United Kingdom

Waterbody Type:
River
Last observed: April 6, 2025
Monitored since: February 1, 2025
3 Observations
0 Issues

River Brent Ealing Golf Course: River Brent west side of bridge to clubhouse

London, Ealing, United Kingdom

Waterbody Type:
River
Last observed: April 6, 2025
Monitored since: September 19, 2024
5 Observations
0 Issues

Lake Ontario: Little Bluff Conservation Area

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 6, 2025
Monitored since: April 16, 2017
55 Observations
1 Issues

River Brent: Clitheroe Island - Boston Manor Park

London, Hounslow, United Kingdom

Waterbody Type:
River
Last observed: April 6, 2025
Monitored since: October 1, 2024
6 Observations
0 Issues

River Brent: Duckweir - Clitheroe Island - Boston Manor Park

London, Hounslow, United Kingdom

Waterbody Type:
Unknown
Last observed: April 6, 2025
Monitored since: October 1, 2024
6 Observations
0 Issues

River Wey: Upper Neatham Mill

East Hampshire District, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: April 6, 2025
Monitored since: October 1, 2023
17 Observations
0 Issues

Stormwater pipe discharge: Keith Rd Storm Drain - WAG-E-01 High Priority

North Vancouver, British Columbia, Canada

Waterbody Type:
Unknown
Last observed: April 5, 2025
Monitored since: July 22, 2024
18 Observations
0 Issues

Stormwater pipe discharge: 15th Street Storm drain - WAG-E-03 High Priority

North Vancouver, British Columbia, Canada

Waterbody Type:
Unknown
Last observed: April 5, 2025
Monitored since: April 29, 2021
36 Observations
0 Issues

Stormwater pipe discharge + Mission Ck - MIS-E-01 Medium Priority: MIS-E-01

North Vancouver, British Columbia, Canada

Waterbody Type:
Unknown
Last observed: April 5, 2025
Monitored since: July 22, 2024
18 Observations
0 Issues

Stormwater pipe discharge and Mission Ck - MIS-W-01 Medium Priority: MIS-W-01

North Vancouver, British Columbia, Canada

Waterbody Type:
Unknown
Last observed: April 5, 2025
Monitored since: July 22, 2024
18 Observations
0 Issues

Lake Superior: Gros Cap - Lake Superior

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 5, 2025
Monitored since: March 2, 2025
2 Observations
0 Issues

St Marys River: Pointe Des Chenes

Ontario, Canada

Waterbody Type:
River
Last observed: April 5, 2025
Monitored since: March 2, 2025
2 Observations
0 Issues

Little Carp River: Little Carp River Carpin Beach Rd

Ontario, Canada

Waterbody Type:
River
Last observed: April 5, 2025
Monitored since: March 1, 2024
29 Observations
0 Issues