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
/-1.4725877,51.4110484,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
/-88.1939507,41.5220382,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River: DuPage River at South Hammel Woods Kayak Launch
Shorewood, Illinois, United States
Waterbody Type:River
Last observed: May 5, 2025 Monitored since: November 27, 2024
/-84.0571046,46.1854091,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Huron: Green Street
Ontario, Canada
Waterbody Type:Unknown
Last observed: May 5, 2025 Monitored since: May 5, 2025
/-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: May 5, 2025 Monitored since: December 15, 2023
/-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: May 5, 2025 Monitored since: December 20, 2023
/-88.0786157,41.8118819,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Arbor Lake : Arbor Lake at Morton Arb
Lisle, Illinois, United States
Waterbody Type:Lake
Last observed: May 5, 2025 Monitored since: November 1, 2023
/-88.0616002,41.8139583,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Crabapple Lake: Crabapple Lake at Morton Arboretum
Lisle, Illinois, United States
Waterbody Type:Lake
Last observed: May 5, 2025 Monitored since: November 12, 2024
/-88.1563424,41.8907312,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Klein Creek: Timber Ridge Forest Preserve
West Chicago, Illinois, United States
Waterbody Type:Creek
Last observed: May 4, 2025 Monitored since: December 17, 2023
/-90.1331895,38.4863773,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Hickman's Creek : Hickman's Creek @ Zingg & Seager Rd.
Millstadt, Illinois, United States
Waterbody Type:Creek
Last observed: May 4, 2025 Monitored since: November 2, 2024
/-76.6407967,44.7822615,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Elbow Lake: ELFR
Ontario, Canada
Waterbody Type:Lake
Last observed: May 3, 2025 Monitored since: May 27, 2017
/-89.6894646,40.8288069,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kickapoo Creek : Kickapoo Creek at Leslie Rutherford Park
Dunlap, Illinois, United States
Waterbody Type:Creek
Last observed: May 3, 2025 Monitored since: December 4, 2024
/-79.0936661,42.8549679,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Erie, Poverty Bay: Poverty Bay, Lake Erie
Crystal Beach, Ontario, Canada
Waterbody Type:Bay
Last observed: May 2, 2025 Monitored since: December 30, 2024
/-88.0276327,41.7943364,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St Joseph Creek: St Joseph Creek Downers Grove
Downers Grove, Illinois, United States
Waterbody Type:Unknown
Last observed: May 2, 2025 Monitored since: October 25, 2024
/-89.6236539,40.8030955,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
unnamed creek: Unnamed Creek on Rock Island Greenway
Peoria, Illinois, United States
Waterbody Type:Creek
Last observed: May 2, 2025 Monitored since: December 24, 2023
/-89.6221304,40.7051933,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Dry Run Creek: Dry Run Creek in Lower Bradley Park
Peoria, Illinois, United States
Waterbody Type:Creek
Last observed: May 2, 2025 Monitored since: December 23, 2023
/-79.0940733,42.8611992,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Point Abino Marsh: Point Abino Marsh
Ontario, Canada
Waterbody Type:Wetland
Last observed: May 2, 2025 Monitored since: December 30, 2024
/-106.819253,51.8964102,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
spring: Spring at bottom of Navy Avenue (west side of road)
Saskatchewan, Canada
Waterbody Type:Unknown
Last observed: May 2, 2025 Monitored since: July 18, 2023
/-79.423821,43.9555129,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake St. George: Lake St. George
Aurora, Ontario, Canada
Waterbody Type:Lake
Last observed: May 1, 2025 Monitored since: August 23, 2023
/-81.2206578,42.9502818,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ramp Saunders Pond Site 6 Westminster Ponds ESA (Eastern Side of the Ramp) : Ramp Saunders Pond Site 6 - Westminster Ponds ESA (Eastern Side of the Ramp)
London, Ontario, Canada
Waterbody Type:Pond
Last observed: May 1, 2025 Monitored since: May 10, 2021
/-1.6535782,52.2059037,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Avon: Swiffen Bank
Hampton Lucy, Warwickshire, United Kingdom
Waterbody Type:River
Last observed: May 1, 2025 Monitored since: October 2, 2024
/-0.1596004,51.639578,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pymmes Brook: Oak Hill Park 1 (Upstream)
London, Barnet, United Kingdom
Waterbody Type:Stream
Last observed: May 1, 2025 Monitored since: July 1, 2023