/-89.9123883,31.3162172,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pearl River: Pearl River at Carroll Loop
Foxworth, Mississippi, United States
Waterbody Type:River
Last observed: August 26, 2025 Monitored since: May 28, 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?
8,229 locations
+32 new sample locations added in the past 30 days
River
Last observed: August 26, 2025 Monitored since: May 28, 2024
/-89.9245548,31.3099418,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Mill Creek: Mill Creek off Morgantown Rd
Foxworth, Mississippi, United States
Waterbody Type:Creek
Last observed: August 26, 2025 Monitored since: August 14, 2021
/-0.3203201,51.53096,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
River Brent Ealing Golf Course: River Brent by 18th tee
London, Ealing, United Kingdom
Waterbody Type:River
Last observed: August 26, 2025 Monitored since: September 19, 2024
/-76.0329866,44.8996294,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rideau River: The Swale Wetland
Smiths Falls, Ontario, Canada
Waterbody Type:Wetland
Last observed: August 25, 2025 Monitored since: July 22, 2023
/-60.7504892,46.0977127,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Boardwalk Pond: Behind Baddeck Building Supplies
Baddeck, Nova Scotia, Canada
Waterbody Type:Unknown
Last observed: August 25, 2025 Monitored since: July 31, 2025
/-83.9194536,46.4277664,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Diamond Lake: Boat Ramp @ Diamond Lake Park
Ontario, Canada
Waterbody Type:Lake
Last observed: August 25, 2025 Monitored since: May 29, 2023
/-83.7428784,46.3652435,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ottertail Lake: Dock @ Rydal Bank Park
Ontario, Canada
Waterbody Type:Lake
Last observed: August 25, 2025 Monitored since: May 29, 2023
/-83.7628766,46.4494933,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Rock Lake: Rock Lake - Old Mill Beach Boat Ramp
Ontario, Canada
Waterbody Type:Lake
Last observed: August 25, 2025 Monitored since: May 29, 2023
/-0.2859238,51.3637693,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Bonesgate Stream: Bonegate Stream
Epsom, England, United Kingdom
Waterbody Type:Stream
Last observed: August 25, 2025 Monitored since: December 18, 2024
/-0.5776835,51.2001612,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Unstead Inlet: From Godalming Treatment Works
Godalming, Surrey, United Kingdom
Waterbody Type:Stream
Last observed: August 25, 2025 Monitored since: July 20, 2023
/-0.57626,51.2028,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Unstead Wetland Reserve: Unstead Exit (outflow)
Bramley, Surrey, United Kingdom
Waterbody Type:Wetland
Last observed: August 25, 2025 Monitored since: July 20, 2023
/-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: August 25, 2025 Monitored since: July 20, 2023
/-60.7500672,46.0976432,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Boardwalk Pond: Next to Culvert
Baddeck, Nova Scotia, Canada
Waterbody Type:Unknown
Last observed: August 25, 2025 Monitored since: July 31, 2025
/-84.3501091,46.5083322,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
St Marys River: Whitefish Island East Viewing Platform
Sault Ste. Marie, Ontario, Canada
Waterbody Type:River
Last observed: August 24, 2025 Monitored since: March 12, 2025
/-84.2785966,46.4979482,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Clark Creek: Drake St. Park
Ontario, Canada
Waterbody Type:Creek
Last observed: August 24, 2025 Monitored since: January 24, 2025
/-90.0830195,32.4238226,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Ross Barnett Reservoir: Madison Landing
Ridgeland, Mississippi, United States
Waterbody Type:Lake
Last observed: August 24, 2025 Monitored since: February 27, 2025
/-90.0661111,32.3961927,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Pearl River: West Spillway Dock
Brandon, Mississippi, United States
Waterbody Type:River
Last observed: August 24, 2025 Monitored since: April 20, 2024
/-83.3484966,46.296576,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Basswood Lake: Basswood Lake
Thessalon, Ontario, Canada
Waterbody Type:Lake
Last observed: August 24, 2025 Monitored since: June 18, 2025
/-83.4656883,46.3504824,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Basswood Lake: Basswood Lake
Thessalon, Ontario, Canada
Waterbody Type:Lake
Last observed: August 24, 2025 Monitored since: June 8, 2025
/-84.2783117,46.5636057,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Cold Water Creek: Cold Water Creek at Old Garden River Road
Rankin Location Indian Reserve 15d, Ontario, Canada
Waterbody Type:Creek
Last observed: August 24, 2025 Monitored since: March 1, 2024
/-84.2689991,46.5646992,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Crystal Creek: Crystal Creek Case Rd
Rankin Location Indian Reserve 15d, Ontario, Canada
Waterbody Type:Creek
Last observed: August 24, 2025 Monitored since: March 1, 2024