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?

7,607 locations

+161 new sample locations added in the past 30 days

Kishwaukee River: South Branch Kish

Union, Illinois, United States

Waterbody Type:
River
Last observed: November 29, 2024
Monitored since: November 29, 2024

Lake Run: Lake Run at Nelson Lake in Dick Young Forest Preserve

Batavia, Illinois, United States

Waterbody Type:
Stream
Last observed: November 29, 2024
Monitored since: November 28, 2023

East branch DuPage River: East DuPage river at St. Charles

Glen Ellyn, Illinois, United States

Waterbody Type:
River
Last observed: November 29, 2024
Monitored since: November 15, 2023

West DuPage River: Pioneer Park Canoe launch

Naperville, Illinois, United States

Waterbody Type:
River
Last observed: November 29, 2024
Monitored since: November 29, 2024

River Wey: U/S Station Road

Isington, Hampshire, United Kingdom

Waterbody Type:
River
Last observed: November 29, 2024
Monitored since: May 24, 2024

Folly Brook/Dollis Brook: Darlands Lake (Downstream)

London, Barnet, United Kingdom

Waterbody Type:
River
Last observed: November 29, 2024
Monitored since: May 21, 2023

Folly Brook/Dollis Brook: Darlands Lake (Upstream)

London, Barnet, United Kingdom

Waterbody Type:
River
Last observed: November 29, 2024
Monitored since: May 21, 2023

The Ching: 9 Gordon Ave E4

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: November 29, 2024
Monitored since: November 16, 2023

River Leam: River Leam North Bank RLSCC

Leamington, Warwickshire, United Kingdom

Waterbody Type:
River
Last observed: November 29, 2024
Monitored since: July 16, 2024

The Ching: Highams Park Lake

London, Waltham Forest, United Kingdom

Waterbody Type:
Lake
Last observed: November 29, 2024
Monitored since: January 17, 2024

The Ching: Wadham Ave

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: November 29, 2024
Monitored since: December 8, 2023

Stream: St John's Brook

Warwick, Warwickshire, United Kingdom

Waterbody Type:
Stream
Last observed: November 29, 2024
Monitored since: October 25, 2024

River Wey: Thundry Meadow

Surrey, UK

Waterbody Type:
River
Last observed: November 29, 2024
Monitored since: November 29, 2024

The Ching: Sainsbury's

London, Waltham Forest, United Kingdom

Waterbody Type:
Stream
Last observed: November 29, 2024
Monitored since: December 15, 2023

Des Plaines River : Evans Field - Des Plaines River -Trail Marker 215

River Grove, Illinois, United States

Waterbody Type:
River
Last observed: November 29, 2024
Monitored since: November 29, 2024

DuPage River: DuPage River at Hammel Woods

Shorewood, Illinois, United States

Waterbody Type:
River
Last observed: November 28, 2024
Monitored since: November 28, 2024

Crow Lake: Onigaming Water Treatment Plant

Ontario, Canada

Waterbody Type:
Lake
Last observed: November 28, 2024
Monitored since: October 2, 2024

Lippold Pond: Lippold Park - West Entrance

Crystal Lake, Illinois, United States

Waterbody Type:
Pond
Last observed: November 28, 2024
Monitored since: November 28, 2024

Veteran Acres Pond: Veteran Acres - Sterne Woods (Oakwoods Lodge)

Crystal Lake, Illinois, United States

Waterbody Type:
Pond
Last observed: November 28, 2024
Monitored since: December 24, 2023

Stream: Wash Brook

Sydney, Nova Scotia, Canada

Waterbody Type:
Stream
Last observed: November 28, 2024
Monitored since: July 28, 2024

West branch of DuPage river: West branch of DuPage river at Beecher Rd, Winfield

Winfield, Illinois, United States

Waterbody Type:
River
Last observed: November 28, 2024
Monitored since: November 15, 2023