You may have put a lot of thought into what kind of septic system is best for your home, but the gravel bed surrounding your ...

Next, the water moves to the filter. The filter is simply a few layers of coarse sediment (usually sand and gravel) constructed at grade, and surround with earthen banks. At first, the water pools on ...

Gravel that's between ¼-inch to 1-inch in size, or between #5 and #10 particle size, is considered "small." Pea gravel, which gets its name from the stones' pea-like shape, is the smallest type ...

In an effort to stem the flow of silt filtering into Crystal Lake from Lippold Park, the Crystal Lake Park District is considering installing a specialized $20,000 sand-and-gravel filter. The filte… ...

The Crystal Lake Watershed Management and Lake Ecology Agency will voice its concerns over a sand and gravel filter to be installed in a pond at Lippold Park.The filter is designed to remove tons ...

The effectiveness of three different filter bed substrates to support plant growth and remove nutrients from urban stormwater runoff has been studied by researchers. Twelve rain gardens containing ...