/-75.6712317,45.4289943,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rideau River: Rideau River in front of Riverain Park
Gatineau, Ontario, Canada
Waterbody Type:River
Last observed: March 17, 2025 Monitored since: December 22, 2024
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?
7,913 locations
+52 new sample locations added in the past 30 days
River
Last observed: March 17, 2025 Monitored since: December 22, 2024
/-88.144941,42.0539989,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
East Fork of Poplar Creek: Ron Haimbaugh
Hoffman Estates, Illinois, United States
Waterbody Type:Creek
Last observed: March 17, 2025 Monitored since: November 8, 2024
/-124.7832298,49.5373246,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Graveyard Marsh: Graveyard Marsh, Central Park
Denman Island, British Columbia, Canada
Waterbody Type:Unknown
Last observed: March 16, 2025 Monitored since: March 16, 2025
/-79.7619822,43.5581903,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Osprey Marsh: Osprey Marsh, Johnny Bower Park
Milton, Ontario, Canada
Waterbody Type:Pond
Last observed: March 15, 2025 Monitored since: March 15, 2025
/-123.3185447,48.4308809,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bowker Creek: Oak Bay Rec skate park
Victoria, British Columbia, Canada
Waterbody Type:Creek
Last observed: March 15, 2025 Monitored since: February 2, 2024
/-106.8194246,51.8991325,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pike Lake: In front of cabin #63
Saskatchewan, Canada
Waterbody Type:Unknown
Last observed: March 15, 2025 Monitored since: January 29, 2025
/-88.2606195,41.7373116,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Waubonsie Creek: Waubonsie Creek
Aurora, Illinois, United States
Waterbody Type:Creek
Last observed: March 15, 2025 Monitored since: December 16, 2023
/-0.0869846,51.594777,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Moselle Brook: Lordship Recreation Ground (Downstream)
London, Haringey, United Kingdom
Waterbody Type:Stream
Last observed: March 15, 2025 Monitored since: April 20, 2024
/-0.0146985,51.5928487,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Dagenham Brook: Chestnut Farm Allotments Midstream (Dagenham Brook)
London, Waltham Forest, United Kingdom
Waterbody Type:River
Last observed: March 15, 2025 Monitored since: March 15, 2025
/-88.3185554,42.24909,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Veteran Acres Pond: Veteran Acres - Sterne Woods (Oakwoods Lodge)
Crystal Lake, Illinois, United States
Waterbody Type:Pond
Last observed: March 14, 2025 Monitored since: December 24, 2023
/-88.3651916,42.2458161,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lippold Pond: Lippold Park - West Entrance
Crystal Lake, Illinois, United States
Waterbody Type:Pond
Last observed: March 14, 2025 Monitored since: November 28, 2024
/-88.3416009,41.9335636,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ferson Creek: Ferson Creek at Randall Road bike trail bridge
Saint Charles, Illinois, United States
Waterbody Type:Creek
Last observed: March 14, 2025 Monitored since: December 15, 2023
/-76.784842,44.3591291,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Napanee River (between Yarker and Camden East): O'Keeffe property (3861 County Rd 1E, RR2, Yarker)
Ontario, Canada
Waterbody Type:River
Last observed: March 14, 2025 Monitored since: March 24, 2017
/0.1230812,51.4981884,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake: Southmere Lake Inlet
London, Bexley, United Kingdom
Waterbody Type:Lake
Last observed: March 14, 2025 Monitored since: February 28, 2025
/0.1266432,51.5021819,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Southmere Lake: Southmere Lake - north inflow
London, Bexley, United Kingdom
Waterbody Type:Lake
Last observed: March 14, 2025 Monitored since: April 25, 2024
/-88.3003755,41.9696244,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Fox River: Jon Duerr Forest Preserve Fox River
South Elgin, Illinois, United States
Waterbody Type:River
Last observed: March 13, 2025 Monitored since: November 11, 2023
/-88.172965,41.8664832,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Branch DuPage River: West DuPage Woods
Winfield, Illinois, United States
Waterbody Type:River
Last observed: March 13, 2025 Monitored since: December 15, 2023
/-0.0085831,51.5230009,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Limehouse Cut: Limehouse Cut East Shore (T21 Office)
London, Tower Hamlets, United Kingdom
Waterbody Type:Unknown
Last observed: March 13, 2025 Monitored since: March 28, 2024
/-88.3246922,41.8219296,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Creek: Mill Creek at bike trail bridge
Batavia, Illinois, United States
Waterbody Type:Creek
Last observed: March 13, 2025 Monitored since: December 20, 2023
/-88.1476021,41.7658341,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Branch DuPage River : West Branch DuPage River at Hillside
Naperville, Illinois, United States
Waterbody Type:River
Last observed: March 12, 2025 Monitored since: November 11, 2023
/-88.1617212,41.7859548,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cress Creek: Cress Creek
Naperville, Illinois, United States
Waterbody Type:Creek
Last observed: March 12, 2025 Monitored since: November 11, 2023