All Storm Drains Inc. | Storm Water Management, Long Island, NY PHONE: 516.825.1010

The Best Storm Drain Repair  Company On Long Island Email:  George@AllStormDrai ns.com Phone:  516.825.1010   Fax:  631.475.2898 Storm Water Dry Wells A dry well is a subsurface storage facility that receives and temporarily stores storm water runoff from roofs of structures. Discharge of this stored runoff from a dry well occurs through infiltration into the surrounding soils.  A dry well is a well that is used to transmit surface water underground and is deeper than its width at the surface (see image, below). Most dry wells are 30 to 70 feet deep and 3 feet wide at the surface. They are lined with perforated casings and can be filled with gravel or rock or left empty. Today, dry wells usually include some form of pretreatment to remove oil, particles, and associated contaminants, reducing the risk of clogging the wells and of transporting contaminants underground. Dry wells can be used to reduce the adverse effects of storm water runoff on streams and rivers. Capturing urban st