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?

8,168 locations

+97 new sample locations added in the past 30 days

Crystal Lake Outlet: Crystal Lake Outlet

Crystal Lake, Illinois, United States

Waterbody Type:
Creek
Last observed: February 26, 2025
Monitored since: December 10, 2024
4 Observations
0 Issues

Creek: Nunda Township/Prairie Trail Bridge

Crystal Lake, Illinois, United States

Waterbody Type:
Creek
Last observed: February 26, 2025
Monitored since: December 23, 2023
10 Observations
0 Issues

Boone Creek: Whispering Oaks Park

Mchenry, Illinois, United States

Waterbody Type:
Unknown
Last observed: February 26, 2025
Monitored since: February 26, 2025
1 Observations
0 Issues

Evan's Field - Des Plaines River: Evan's Field

River Grove, Illinois, United States

Waterbody Type:
Stream
Last observed: February 26, 2025
Monitored since: December 6, 2023
5 Observations
0 Issues

Little Vermillion River: Snyder's Grove

Mendota, Illinois, United States

Waterbody Type:
River
Last observed: February 26, 2025
Monitored since: November 21, 2022
12 Observations
0 Issues

Silver Creek (Nippersink Cr Watershed): Silver Creek @ Charles Rd, north of Woodstock, IL

Woodstock, Illinois, United States

Waterbody Type:
Unknown
Last observed: February 25, 2025
Monitored since: February 25, 2025
1 Observations
0 Issues

Newman Creek: Newman Creek @ N Queen Anne Rd

Woodstock, Illinois, United States

Waterbody Type:
Creek
Last observed: February 25, 2025
Monitored since: February 11, 2025
2 Observations
0 Issues

Nippersink Creek: Nippersink Creek @ N Queen Anne Rd

Woodstock, Illinois, United States

Waterbody Type:
Creek
Last observed: February 25, 2025
Monitored since: February 11, 2025
2 Observations
0 Issues

Mendota Creek: Lake Kakusha

Mendota, Illinois, United States

Waterbody Type:
Creek
Last observed: February 25, 2025
Monitored since: November 19, 2022
13 Observations
0 Issues

Little Vermillion River: Apple Orchard Park - Mendota Creek

Mendota, Illinois, United States

Waterbody Type:
Creek
Last observed: February 25, 2025
Monitored since: November 22, 2022
13 Observations
0 Issues

Beverley Brook: Bill's Bridge

London, Wandsworth, United Kingdom

Waterbody Type:
River
Last observed: February 25, 2025
Monitored since: March 22, 2024
4 Observations
0 Issues

Grand River: Pioneer Tower Bridge

Kitchener, Ontario, Canada

Waterbody Type:
River
Last observed: February 24, 2025
Monitored since: January 19, 2025
4 Observations
0 Issues

River Bourne: Chobham Recreation Ground

Woking, Surrey, United Kingdom

Waterbody Type:
River
Last observed: February 24, 2025
Monitored since: February 24, 2025
1 Observations
0 Issues

Addlestone Bourne (West End to Hale/Mill Bourne confluence at Mimbridge): CHOBHAM STW

Woking, Surrey, United Kingdom

Waterbody Type:
River
Last observed: February 23, 2025
Monitored since: February 23, 2025
1 Observations
0 Issues

River Wey: Woodbridge Meadows

Guildford, Surrey, United Kingdom

Waterbody Type:
River
Last observed: February 23, 2025
Monitored since: May 29, 2022
24 Observations
0 Issues

River Wey: Upstream from A3 and B&Q

Guildford, Surrey, United Kingdom

Waterbody Type:
River
Last observed: February 23, 2025
Monitored since: May 28, 2022
24 Observations
0 Issues

Cranleigh Waters: Run Common Bridge

Shamley Green, Surrey, United Kingdom

Waterbody Type:
Unknown
Last observed: February 22, 2025
Monitored since: November 26, 2023
3 Observations
0 Issues

North Wey (Alton to Tilford): WEY ( NORTH ) AT MOOR PARK BRIDGE, FARNH

Farnham, Surrey, United Kingdom

Waterbody Type:
River
Last observed: February 22, 2025
Monitored since: March 20, 2023
11 Observations
0 Issues

Tributary runs into north Wey: Hole Farm Lane

Hampshire, United Kingdom

Waterbody Type:
Stream
Last observed: February 22, 2025
Monitored since: September 24, 2023
6 Observations
0 Issues

gemstone: gemstone

Jaipur, Rajasthan, India

Waterbody Type:
Unknown
Last observed: February 20, 2025
Monitored since: February 20, 2025
1 Observations
0 Issues

Halkett Bay: Halkett Bay

British Columbia, Canada

Waterbody Type:
Bay
Last observed: February 20, 2025
Monitored since: February 20, 2025
1 Observations
0 Issues