Waterman manufactures engineered sluice gates, slide gates, weir gates, flap gates, stop logs, and Automatic Water Level Control Gates (keep constant level upstream for UV system with lowest headloss) for the water and wastewater industry.Manufactures extreme duty gates constructed of Cast-Iron with brass wedges (no wearing plastic or rubber guides) and Stainless Steel fabricated gates with UHMWPE plastic guides with self adjusting seals.