The Mid-Atlantic Tributary Assessment Coalition is a unique and growing group of watershed organizations interested in advancing the use of environmental data from local organizations and citizen scientists for use in report cards and assessments. Using data collected by concerned citizens, IAN has helped to generate multi-year report cards for nine rivers since 2007.

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This report card summarizes 2008 water quality results, which are based on data collected by the Severn Riverkeeper Program. This report card helps to clarify the Severn's health, and provides instructions on what individuals can do to improve its condition.

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