Overview
The water bodies on this service, what needs attention, and where to sample first.
Water bodies
monitored
Need attention
medium or high now
Newest image
no images yet
Water bodies
Highest risk first, drinking-water sources before others. What the levels mean
Where to sample first
Where a lab sample is most likely to change what the satellite says.
Recent assessments
Near me
The water bodies closest to you, with their latest satellite look. Your position stays in this browser.