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National Wetland Condition Assessment 2016 Results

EPA is releasing the results of the second National Wetland Condition Assessment (NWCA). The NWCA 2016 reports on the condition of wetlands in the conterminous United States. The most recent report is the National Wetland Condition Assessment 2021.

Key Findings

High-level summary of findings from the 2016 survey.

Report and Data

View the public report, technical support document, and data files.

National Wetland Condition Assessment 2016 Results

Key Findings

Report and Data

National Aquatic Resource Surveys