Most Regional Centers require accredited investors, but some do not, and a direct EB-5 investment doesn’t require such a status either. Such a status is not an EB-5 requirement, but an SEC requirement. There would still be options for you.
The advice of a securities attorney will be able to assist you. The securities offering may be either through a Regulation D or Regulation S offering and the choice will determine whether you need to be an accredited investor.