/-0.0448036,51.601293,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Lea diversion : River Lea diversion
London, Waltham Forest, United Kingdom
Waterbody Type:Unknown
Last observed: April 24, 2025 Monitored since: March 11, 2025
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?
8,174 locations
+103 new sample locations added in the past 30 days
Unknown
Last observed: April 24, 2025 Monitored since: March 11, 2025
/-90.0540948,42.4475334,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Apple River: Apple River in Apple River Canyon State Park
Stockton, Illinois, United States
Waterbody Type:River
Last observed: April 24, 2025 Monitored since: November 30, 2024
/0.1106748,51.5005336,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Birchmere Lake: Birchmere Lake outflow
London, Greenwich, United Kingdom
Waterbody Type:Lake
Last observed: April 24, 2025 Monitored since: March 26, 2025
/-88.0062175,41.9034235,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lombard Lagoon: Joe LeCroy
Lombard, Illinois, United States
Waterbody Type:Pond
Last observed: April 23, 2025 Monitored since: November 27, 2024
/-77.0467329,43.9591209,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Black River : Black River 1216 County Rd 13
Milford, Ontario, Canada
Waterbody Type:River
Last observed: April 23, 2025 Monitored since: July 23, 2022
/-81.2162805,42.9514757,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Vernal Pond: Vernal Pond
London, Ontario, Canada
Waterbody Type:Unknown
Last observed: April 23, 2025 Monitored since: April 23, 2025
/-81.2179757,42.9573962,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Beaver Pond Site 5 Westminster Ponds ESA : Beaver Pond Site 5 Westminster Ponds ESA
London, Ontario, Canada
Waterbody Type:Pond
Last observed: April 23, 2025 Monitored since: May 12, 2021
/-65.9905432,45.3804026,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
RNS Campus Pond: RNS Campus Pond
Rothesay, New Brunswick, Canada
Waterbody Type:Pond
Last observed: April 23, 2025 Monitored since: April 23, 2025
/-65.9835649,45.3762369,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fairweather Brook: Fairweather Brook off of RNS Trail
Rothesay, New Brunswick, Canada
Waterbody Type:Stream
Last observed: April 23, 2025 Monitored since: April 27, 2017
/-65.9839511,45.3791157,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Taylor Brook: Confluence of Taylor and Fairweather Brooks
Rothesay, New Brunswick, Canada
Waterbody Type:Stream
Last observed: April 23, 2025 Monitored since: April 27, 2017
/-65.9904544,45.3803805,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
campus pond: RNS Campus Pond
Rothesay, New Brunswick, Canada
Waterbody Type:Pond
Last observed: April 23, 2025 Monitored since: April 23, 2025
/-81.2173104,42.9472843,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tumbleson Pond Site 3 Westminster Ponds ESA (WOFGPA): Tumbleson Pond Site 3 Westminster Ponds ESA (WOFGPA)
London, Ontario, Canada
Waterbody Type:Pond
Last observed: April 22, 2025 Monitored since: May 16, 2022
/-81.2257862,42.9484442,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
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
/-81.2275028,42.9497321,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
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
/-0.5765487,51.20102,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Unstead Wetland Reserve: East Lagoon
Bramley, Surrey, United Kingdom
Waterbody Type:Lagoon
Last observed: April 21, 2025 Monitored since: July 20, 2023
/-88.0326104,41.5312617,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
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
/-79.0337563,44.3492482,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Beaver River: Cannington Community Centre Park
Brock, Ontario, Canada
Waterbody Type:Unknown
Last observed: April 19, 2025 Monitored since: September 25, 2022
/-74.7143168,45.0166784,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St Lawrence River: St Lawrence River
Ontario, Canada
Waterbody Type:Unknown
Last observed: April 17, 2025 Monitored since: April 17, 2025
/-6.0017753,37.3852476,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Seville River: Near the city center
Seville, Sevilla, Spain
Waterbody Type:River
Last observed: April 16, 2025 Monitored since: September 9, 2016
/-90.0635558,38.9228899,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Culp Ln. pond: Culp Ln. pond
Bethalto, Illinois, United States
Waterbody Type:Pond
Last observed: April 15, 2025 Monitored since: November 15, 2023
/-0.7721273,51.1717341,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)