The Aqua-Jet surface mechanical aerator has been in the aeration industry for more than four decades with more than 1.5 million installed horsepower, representing 9 billion hours of run-time. The robust design and high efficiency of the aerator is applied in a wide variety of applications from pulp and paper mills to digesters and sludge holding basins—treating both domestic and industrial wastewater and potable water applications that require TTHM removal.