2018 State of Our Estuaries

Every five years, PREP produces a State of Our Estuaries Report that examines environmental indicators of estuarine health, such as bacteria levels, nutrient concentrations, toxic contaminant levels, abundance of shellfish, and land use in the coastal watershed. By examining long-term data sets compiled from a variety of organizations, the report describes the current status of Southeastern New Hampshire and Southern Maine’s estuaries and suggests trends for the future. The report is designed to provide readers with an accurate understanding of environmental trends for the Great Bay and Hampton-Seabrook estuaries so that they may make informed land use and resource management decisions.

CLICK HERE to explore 2013’s Report and supplemental publications.

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Save the Date

Friday, December 8th, 2017
8:30am – 4:00pm



Portsmouth Harbor Events & Conference Center 

100 Deer Street at 22 Portwalk Place

Downtown Portsmouth, New Hampshire

The Seacoast’s waters and lands matter to all of us… join us to learn more about their health and future.

New in the 2018 State of Our Estuaries Report

  • Five years of new data
  • New Salt Marsh Indicator
  • Three new social indicators that connect human and social data to the biological data
  • Cross cutting section that connects across the indicators
  • Interactive website
  • And more…