National Wetland Condition Assessment 2021 Biological Indicators Less than half of wetland area was rated good, based on an analysis of plant communities 24% of wetland area rated poor or very poor due to the abundance of nonnative plant species Good 48% Fair 27% Poor 13% Very Poor 11% Physical Alterations Chemical Indicators 17% of wetland area was rated poor for total nitrogen in water* 24% of wetland area was rated poor for total phosphorus in water* vvEPA United States Environmental Protection Agency Access the NWCA web report *40% of wetland area was not assessed due to insufficient surface water ------- |