In Minnesota, it is estimated that 11 million acres of wetland areas have been lost in the last 100 years. There are approximately 9 million acres remaining. The Wetland Conservation Act (WCA) was passed in 1991. The ultimate goal of the Act is no more net loss of wetlands. In order to attain this goal, draining, filling, and excavation is prohibited unless:
Benefits of Wetlands
How to Determine if Area is a Wetland
Three conditions must be present to define areas as a wetland:
Hydric Soil--Soils that show characteristics of development under wet conditions.
Hydrology--Water present within top 12" of the surface for 5% of growing season under normal rainfall years.
Hydrophytic Vegetation--Vegetation that is adapted to living in wet conditions. Examples: Pitcher plants, lady slippers, jack-in-the pulpit, sedges, tamarack and black spruce.
Information & Application