Watershed Handbook. A Management Technique for Choosing Among Point and Nonpoint Control Strategies

摘要

Watershed is a simple, 'desk top' accounting system designed to help water quality planners assess alternative management strategies for controlling point and nonpoint source pollution inputs from large areas (100 square miles or greater) to a receiving water. Its goal is to find the best mix of point and nonpoint source management techniques to achieve a given load allocation for a receiving waterbody. Through a cost-effectiveness ranking scheme, Watershed identifies the order in which remedial measures could be implemented to achieve the greatest annual water quality improvements at the least cost. This handbook presents the mechanics and background data for using the Watershed system.