Oasis Design introduces Water Storage by Art Ludwig, a guide for designing, building and maintaining water tanks, cisterns or ponds and managing groundwater storage. It includes innovative details to improve quality, enabling the storage itself to contribute materially to water treatment at low cost. The 125-page, fully illustrated volume also features 128 photos, 43 figures and detailed building instructions for several ferrocement water tank styles.www.oasisdesign.net/water/storage/