The Community Watershed Assessment Handbook from the Chesapeake Bay Program is a simple and straightforward watershed assessment tool that is intended to direct community groups and local governments in conducting a comprehensive environmental assessment. Shenandoah Watershed Study & Virginia Trout Stream Sensitivity Study Nutrient Trading - An exploration on the Chesapeake Bay Program web site of the opportunities for nutrient trading to meet waterquality standards in the Chesapeake Bay Watershed. World Water Portal - Provides a seamless access to a wide body of water information to decision-makers, water managers, technicians and the public by the World Water Assessment Program. Mid-Atlantic Integrated Assessment US EPA Environmental Monitoring and Assessment Program Leetown Science Center Mid-Atlantic Stream and Watershed Health Indicators National Resource Conservation Service Watershed Protection Program National Resource Conservation Service Watershed Rehabilitation Impacts of Impervious Cover on Aquatic Systems, The Center for Watershed Protection publication report is a comprehensive exploration of more than 225 multi-disciplinary studies documenting the hydrological, physical, water quality, and biological impacts of urbanization and its accompanying impervious cover. Also see Watershed Assessment in the Resource Issues area