ADVISORY
A water
sample collected from this beach within the past 24 hours indicates bacteria
levels over the recreational bathing standard.
Mountain
Lake Beach remains open and additional samples will be collected on Friday,
July 31. You may view all test results online at www.njbeaches.org or by
calling the Warren County Health Department at 908-475-7960.
Bacteria
levels change with the weather, tides, and currents. They are usually highest
near storm water pipes, especially during and after rainfall. You can reduce
your risk of illness avoiding contact with water in or near storm water pipes.
July 30, 2026
