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EPA is developing and testing technologies to support stormwater management. This page details flow control devices like sewer outfall retrofits and other related information on these technologies.
Vortechs is a below-ground, engineered stormwater treatment device that combines swirl concentration and flow controls into a single treatment unit. Vortechs is ideal for capturing and retaining trash, debris, sediment, and hydrocarbons from stormwater runoff.
Hazardous spill basins (HSBs) are designed to contain hazardous materials in the event of an accidental spill. During normal operation, stormwater runoff flows unimpeded through the basin. In the event of a spill, the outlet control structure is manually closed, preventing discharge from the basin.
Precise Stormwater Flow Control. The Vortex Valve is an exceptional solution to engineers looking to precisely control the discharge flow rate from stormwater drainage, detention, and infiltration systems. The Contech Vortex Valve control flows by hydraulic effect without requiring moving parts.
NDS offers water flow control devices for irrigation, plumbing, pool and spa and industrial applications. Discover water flow management devices that will work best for you.
Flow control devices can be used at outfalls to streams is to manage flooding and erosion, improve aquatic habitat and improve water quality. To evaluate flow control and to determine optimal conditions for sampling, EPA is evaluating various flow and depth sensors.
Static flow controller discharging 4 to 6 times less stormwater than orifice plate. Prevents downstream flooding by allowing "flow slippage". Controls stormwater directly at source, the manhole.
The primary method to control stormwater runoff is the use of best management practices (BMPs). Stormwater BMPs are devices, practices, or methods that are used to manage stormwater runoff by controlling peak runoff rate, improving water quality, and managing runoff volume.
There are two common types of stormwater inlet controls: Catch basin inserts. A catch basin insert accumulates sediment and debris and provides an easy means of regular collection and disposal. Some inserts drop directly into existing catch basins, while others may call for retrofit construction.
Managing stormwater’s impacts on your city or watershed starts with reliable water monitoring for real-time data delivery, event alerts, flood monitoring, continuous monitoring with industry leading sensors, and decision support.