National Management Measures for the Control of Nonpoint Pollution from Agriculture

This guidance document is intended to provide technical information to state program managers and others on the best available, economically achievable means of reducing NPS pollution of surface and ground water from agriculture. The guidance provides background information about agricultural NPS pollution, where it comes from and how it enters the nation's waters, discusses the broad concept of assessing and addressing water quality problems on a watershed level, and presents up-to-date technical information about how to reduce agricultural NPS pollution. This document is not intended to be a "how to" technical guide for natural resource assessment, planning, design, and implementation.