We are improving our website to help you find what you're looking for. During this transition some URLs may change. Learn more...

National Aquatic Resource Surveys

National Wetland Condition Assessment

Nation Wetland Condition Assessment Home PageThe National Wetland Condition Assessment (NWCA) is a collaborative survey of our Nation's wetlands. The NWCA examines the chemical, physical and biological integrity of wetlands through a set of commonly used and widely accepted indicators.