Stormwater Attenuation Guide

Stormwater management is the way to reduce water runoff at the time of heavy snowfall, rainfall or flood. By letting the excess water to be collected in a  stormwater attenuation tank  or by letting the stormwater absorbed into the soil, the excess water can be absorbed. When stormwater is absorbed into the ground, it is filtered through different layers of soil, ultimately increasing the groundwater level and increasing the flow into streams and rivers. But sometimes, due to heavy rainwater, the ground becomes saturated and the excess moisture runs across the surface and into storm sewers. To manage stormwater, every residential colony or building should comprise a well-designed stormwater attenuation system. Otherwise, excess rainwater or stormwater can cause flooding, erosion, and sanitary sewer system overflow, and infrastructure damage. To manage excess stormwater, it’s important to restore natural hydrologies and reuse stormwater. The main purpose of stormwater management is

Stormwater management is the way to eliminate flooding due to rainwater or melted snow by allowing more and more water to be absorbed within the ground. This technique is especially useful for urban areas because there are fewer open spaces and greenery to absorb the water naturally. Here are some common techniques used in stormwater attenuation . 1)   Dry Detention Basins In this technique, dry ponds are created that stores the runoff water. The stored water becomes cleaner after a few days because the pollutants and particles settle to the bottom. There is an outlet in the pond that releases the water into a stream or storm sewer system. While dry retention basins function very well, the only drawback is that it   requires a very large space. 2)   Retention Basins Retention basins are artificial ponds that treat stormwater runoff by following the water treatment capabilities of natural watersheds. The sediments on the bottom of the lake allow the pollutants, organic matter