2509.16, Foreword Page 1 of 1 FSH 2509.16 - WATER RESOURCE INVENTORY HANDBOOK WO AMENDMENT 2509.16-92-1 EFFECTIVE 8/3/92 FOREWORD Before using this Handbook, a reader should become thoroughly familiar with FSM 2531. The water resource inventory process has three major subdivisions or phases that are required to complete an inventory. These phases are (1) plan and design, (2) inventory, and (3) application and monitoring. Each phase has a number of action items that must be followed in sequential order (sec. 1.1, ex. 01).