A: For a true percolation test, often done during construction or installation of a septic system, a hole approximately 1 foot in width and depth is dug. Once filled with water, if it drains at a rate ...

Of the tests to do before planting in your garden, a drainage test is among the best (and easiest). Try this quick drainage test to see if your soil is ready.

The Water Environment Federation (WEF) is a not-for-profit technical and educational organization of 33,000 individual members and 75 affiliated Member Associations representing water quality ...

With the January and February downpours across the South Bay, many people are wondering why the Santa Clara Valley Water District’s percolation ponds are empty or near empty. The manmade perc ponds ...