Generally, a rain garden is somewhere between six and 12 inches lower than the surrounding area. If your yard is flat, you may need to plan to haul some soil away.

A rain garden should not be within 10 feet of any foundation, Ms. Wiles cautioned (and farther is better, if the property allows). ... to calculate the rate of infiltration.

'Rain gardens need proper soil structure that facilitates water infiltration instead of accumulating water. You need to mix in sand and organic matter to improve drainage in heavy clay soils.

Rain gardens are characterized by a depression in the soil, collecting runoff from rooftops and driveways. They can catch up to the first inch of rain, allowing it to soak into the ground.

To improve the rain garden’s infiltration rate, the top 10-12 inches of heavy clay soil was removed and replaced with putting green aeration plugs that were comprised mostly of sand. Before using the ...

A rain garden can be a low-maintenance option for managing stormwater runoff in your yard. ... soil infiltration, and wildlife habitat along with reducing your community's carbon footprint.

After performing a simple 24-hour infiltration test which determined the saturated soils could infiltrate at least 4.5” in a 24-hour period, areas were identified for new plantings that included ...

Rain gardens can be installed in a relatively compact space of about 100 square feet, she said. The “it” factor is infiltration, the rate at which soil is able to absorb and, as a byproduct ...

These rain gardens are small vegetative areas that promote the infiltration of water into the ground. Rain gardens are a key tool to reduce storm water run-off and improve water quality. However, ...

Deep root systems for enhanced water infiltration and drought tolerance. ... In addition to the new gardens on North Quad, two rain gardens are located on Western campus, planted in 2014, and two on ...

It received a grant worth more than $400,000 to design and build two rain gardens and an infiltration system, aimed at fighting impervious surfaces. Grants were funded by the Municipal ...