*'''Soil''': Till soil at swales bottom if water does not drain out within 48 hours (swales should drain within 24 hours). Remove sediment build up when the swales volume is reduced by 25 percent. | *'''Soil''': Till soil at swales bottom if water does not drain out within 48 hours (swales should drain within 24 hours). Remove sediment build up when the swales volume is reduced by 25 percent. |