/-88.1725745,41.6104275,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lily Cache Creek: Lily Cache Creek
Plainfield, Illinois, United States
Waterbody Type:Creek
Last observed: March 22, 2025 Monitored since: November 4, 2021
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
Creek
Last observed: March 22, 2025 Monitored since: November 4, 2021
/-88.1751965,41.781825,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
West Branch Du Page River: West Branch Du Page River
Naperville, Illinois, United States
Waterbody Type:River
Last observed: March 22, 2025 Monitored since: November 13, 2024
/-88.3103587,41.9118852,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tyler Creek: Tyler Creek Forest Preserve
Saint Charles, Illinois, United States
Waterbody Type:Creek
Last observed: March 22, 2025 Monitored since: March 22, 2025
/-77.0522046,43.9189169,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Creek leading to South Bay on Lake Ontario: South Bay Cres Public Boat Launch
Milford, Ontario, Canada
Waterbody Type:Creek
Last observed: March 22, 2025 Monitored since: March 28, 2018
/-0.1289779,51.6176463,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pymmes Brook : Arnos Park Growing Space (downstream)
London, Enfield, United Kingdom
Waterbody Type:River
Last observed: March 22, 2025 Monitored since: March 22, 2025
/-0.1360506,51.62178,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pymmes Brook: Waterfall Walk 2 (Downstream)
London, Barnet, United Kingdom
Waterbody Type:Stream
Last observed: March 22, 2025 Monitored since: May 1, 2023
/-88.2938135,42.063219,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Tyler Creek: Tyler Creek Forest Preserve
Elgin, Illinois, United States
Waterbody Type:Creek
Last observed: March 22, 2025 Monitored since: October 24, 2023
/-87.6635599,41.8435763,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Chicago River: Park 571
Chicago, Illinois, United States
Waterbody Type:River
Last observed: March 21, 2025 Monitored since: January 7, 2024
/-87.6345706,41.8581716,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Chicago River: Ping Tom Park Chicago
Chicago, Illinois, United States
Waterbody Type:River
Last observed: March 21, 2025 Monitored since: November 15, 2024
/-88.0516199,41.8296568,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Round Meadow Lake in Hidden Lake Forest Preserve in DuPage County, IL: Round Meadow Lake
Glen Ellyn, Illinois, United States
Waterbody Type:Lake
Last observed: March 21, 2025 Monitored since: December 14, 2023
/-88.3674145,42.2900563,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lower Trout pond : Trout Pond Outlet
Woodstock, Illinois, United States
Waterbody Type:Unknown
Last observed: March 21, 2025 Monitored since: November 26, 2024
/-88.3683801,42.2899577,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Powers Creek Headwaters: Powers Creek
Woodstock, Illinois, United States
Waterbody Type:Creek
Last observed: March 21, 2025 Monitored since: November 26, 2024
/-88.1296093,41.9101401,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kline Creek: Thunderbird Trail Crossing of Kline Creek
Carol Stream, Illinois, United States
Waterbody Type:Creek
Last observed: March 21, 2025 Monitored since: November 30, 2023
/-88.1209617,41.931081,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Kline Creek: Lies Road Crossing of Kline Creek
Carol Stream, Illinois, United States
Waterbody Type:Creek
Last observed: March 21, 2025 Monitored since: November 30, 2023
/-0.0387762,51.5257028,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Regents Canal: QMUL
London, Tower Hamlets, United Kingdom
Waterbody Type:Canal
Last observed: March 21, 2025 Monitored since: March 21, 2025
/-87.8015542,41.6768706,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Lake Katherine Nature Center/Cal Sag Channel: West College Drive (Rt 83) & S. 75 th Ave Palos Heights,Il 60463
Palos Heights, Illinois, United States
Waterbody Type:Pond
Last observed: March 21, 2025 Monitored since: November 20, 2024
/-88.3428326,42.4147283,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Nippersink Creek: Nippersink Creek at the Keystone Landing in McHenry County Conservation District's Glacial Park Conservation Area
Ringwood, Illinois, United States
Waterbody Type:Creek
Last observed: March 20, 2025 Monitored since: November 30, 2024
/-88.1839728,41.8293935,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Spring Brook Creek: Harry J. Wolf
Warrenville, Illinois, United States
Waterbody Type:Creek
Last observed: March 20, 2025 Monitored since: November 12, 2024
/-123.3178609,48.4309023,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bowker Creek: 3.5 Oak Bay High
Victoria, British Columbia, Canada
Waterbody Type:Creek
Last observed: March 20, 2025 Monitored since: November 16, 2021
/-123.3163981,48.4309636,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bowker Creek: 3.4 Duck Ponds
Victoria, British Columbia, Canada
Waterbody Type:Creek
Last observed: March 20, 2025 Monitored since: November 16, 2021
/-123.3096584,48.4300386,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bowker Creek: 1.3 Monteith
Victoria, British Columbia, Canada
Waterbody Type:Creek
Last observed: March 20, 2025 Monitored since: August 8, 2020