Check recent water quality
This map shows predicted E. coli bacterium levels based on recent and historical water tests, as well as recent weather conditions. Learn how it works.
Area
Monitoring
Site use
Water quality
Latest samples: reflect the most recent water test results.
Likely condition: based on recent weather and historical trends.
Recency of the last water test
Smart tips for enjoying rivers and lakes
We provide you with stats, but here are quick tips to stay safer during recreation near water.
Avoid swimming right after a heavy rain
Avoid contact with the river downstream of a sewage outfall
Wash hands before eating or drinking
Cover open cuts, use ear and nose plugs before swimming
