Leaching chambers distribute treated wastewater into the soil. This publication lists the advantages and disadvantages of leaching chamber systems, explains how to maintain them and gives estimates of costs. (2 pages)
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This 12-page publication explains why artificial drainage is needed on some soils, the types of drainage systems, drainage design considerations, and the steps and economics in installing a relief drainage system.
This 2-page publication explains the steps that people living near streams or lakes should take to minimize their environmental impact and improve water quality.