eye care size rock soil Unit Depth width rural basin humans leaves Lining process fishing boating Shaping Benefits 1-2 feet Drainage branches swimming livestock pond form fisheries stability Excavation depression irrigation water loss urban areas Versatility other debris plant growth water levels Proper design safe habitats various needs Earthen Ponds low-lying area Debris Removal allegianceindia artificial lake dirt embankment Wildlife Habitat natural materials Regular Monitoring waterproof material ornamental purposes small backyard ponds Allegiance Enterprise recreational activities larger multi-acre ponds water level maintenance essential water sources Long-Term Sustainability budget-friendly solution diverse wildlife species Aquatic Vegetation Control Allegiance Water Management