A flood barrier is a specific type of floodgate, designed to prevent a storm surge or spring tide from flooding the protected area behind the barrier.

A penstock is a water control gate or structure that controls flow.

The steel dam is a novel, beautiful and practical dam type. It raises the gates to store water during operation and dumps the gates flood discharge.

The cast iron gate is a kind of lift gate. The hoist is driven by electric head screw, lifting the gate and releasing the water, pressing down the gate to stop the water.

Stoplogs consist of fabricated modular segments of any size, joined to effectively isolate flows for maintenance, redirection or containment.