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

Dock Saunders Pond Westminster Ponds ESA: Dock Saunders Pond Site 2 Westminster Ponds ESA Behind London Information Center

London, Ontario, Canada

Waterbody Type:
Pond
Last observed: April 22, 2025
Monitored since: May 12, 2021
7 Observations
1 Issues

West Marsh Boardwalk Site 1- Westminster Ponds ESA (adjacent to Wellington Road): Buffer West Marsh Boardwalk

London, Ontario, Canada

Waterbody Type:
Wetland
Last observed: April 22, 2025
Monitored since: May 12, 2021
8 Observations
1 Issues

Hickey Creek River: Hickory Creek River at Highland Park Drive

Joliet, Illinois, United States

Waterbody Type:
River
Last observed: April 19, 2025
Monitored since: November 16, 2024
6 Observations
0 Issues

Beaver River: Cannington Community Centre Park

Brock, Ontario, Canada

Waterbody Type:
Unknown
Last observed: April 19, 2025
Monitored since: September 25, 2022
4 Observations
0 Issues

St Lawrence River: St Lawrence River

Ontario, Canada

Waterbody Type:
Unknown
Last observed: April 17, 2025
Monitored since: April 17, 2025
1 Observations
0 Issues

Culp Ln. pond: Culp Ln. pond

Bethalto, Illinois, United States

Waterbody Type:
Pond
Last observed: April 15, 2025
Monitored since: November 15, 2023
4 Observations
0 Issues

South Wey: Home Farm

Waverley Borough, Surrey, United Kingdom

Waterbody Type:
River
Last observed: April 15, 2025
Monitored since: March 18, 2023
9 Observations
0 Issues

Fox River in McHenry IL: Fox River at Route 120 bridge in McHenry

Mchenry, Illinois, United States

Waterbody Type:
River
Last observed: April 14, 2025
Monitored since: November 25, 2024
6 Observations
0 Issues

Blackberry Creek at Pouley Rd.: Blackberry Creek

Elburn, Illinois, United States

Waterbody Type:
Creek
Last observed: April 14, 2025
Monitored since: November 15, 2024
6 Observations
0 Issues

McKee Creek: McKee Creek

Batavia, Illinois, United States

Waterbody Type:
Stream
Last observed: April 14, 2025
Monitored since: November 29, 2023
18 Observations
0 Issues

Cranleigh Waters: Sewage / waste water plant outlet

Cranleigh, Surrey, United Kingdom

Waterbody Type:
River
Last observed: April 14, 2025
Monitored since: March 11, 2025
3 Observations
2 Issues

Richland Creek: Richland Creek @ Centennial Park

Belleville, Illinois, United States

Waterbody Type:
Creek
Last observed: April 14, 2025
Monitored since: November 7, 2022
42 Observations
0 Issues

Lake Ontario: Rhododendron Gardens Park

Port Credit, Ontario, Canada

Waterbody Type:
Lake
Last observed: April 13, 2025
Monitored since: April 13, 2025
1 Observations
0 Issues

Lake Ontario: Tall Oaks Park

Port Credit, Ontario, Canada

Waterbody Type:
Lake
Last observed: April 13, 2025
Monitored since: April 13, 2025
1 Observations
0 Issues

Credit River: Port Credit Memorial Park

Port Credit, Ontario, Canada

Waterbody Type:
River
Last observed: April 13, 2025
Monitored since: April 13, 2025
1 Observations
0 Issues

Lake Ontario: Richard’s Memorial Park

Port Credit, Ontario, Canada

Waterbody Type:
Lake
Last observed: April 13, 2025
Monitored since: April 13, 2025
1 Observations
0 Issues

Credit River: Erindale Park

Streetsville, Ontario, Canada

Waterbody Type:
River
Last observed: April 13, 2025
Monitored since: April 13, 2025
1 Observations
0 Issues

Adolphus Reach on Lake Ontario: Prinyer’s Cove Park & Boat Launch

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 13, 2025
Monitored since: September 25, 2020
31 Observations
0 Issues

Prinyer’s Cove on Lake Ontario: Prinyer’s Cove Source

Ontario, Canada

Waterbody Type:
Lake
Last observed: April 13, 2025
Monitored since: August 10, 2021
25 Observations
0 Issues

Mill Pond: Mill Pond

Milton, Ontario, Canada

Waterbody Type:
Pond
Last observed: April 12, 2025
Monitored since: April 12, 2025
1 Observations
0 Issues

East Branch of the DuPage River: East Branch DuPage River at Churchill Woods

Lombard, Illinois, United States

Waterbody Type:
River
Last observed: April 12, 2025
Monitored since: January 29, 2024
7 Observations
0 Issues