Typical irrigation ponds are half acre or greater in area and eight or more feet deep to provide water storage volume and to increase the chance of adequate. Exhibit A is the legal description of the property, a standard component of any lease agreement.This file is a comprehensive contract template for performance-based irrigation management. The Agriculture Conservation Easement Template (ACET) is based, in part, on the Michigan Model Conservation. Estimating annual irrigation cost is the first step in determining a fair system for split irrigation cost between neighbors.