M. We produce and distribute maps and other geospatial data on American wetland and deepwater habitats, as well as monitor changes in these habitats through time. National Wetlands Inventory (NWI) data can be accessed in several ways depending on your needs. To display and query wetlands data in your software application please use our Web Map Services. U. The NWI Program, in conjunction with federal and non-government agencies, developed standards for both wetland classification and mapping, which were adopted as federal standards by the Federal Geographic Data Committee (FGDC). Visit the National Wetlands Inventory homepage to learn more. Check out these top stories and more in The Times and nwi. Heavy snowfall expected to return to Region just in time for Wednesday commute. NWI data is mapped using a biological wetland definition and should not be interpreted as representing the presence, absence, or extent of wetlands that may be covered under one or more federal, state, Tribal, or local laws. NWI is a leader in forging diverse conservation partnerships and provides information that is critical to conserving wetlands. The layers in the viewer contain more attributes then the original NWI. (1979) for the USFWS. Status and Trends of Wetlands in Coastal Watersheds 2004 to 2009. Cowardin, et al. Wetland Classification Codes. Fish & Wildlife Services National Wetland Mapper (NWI) is the primary public interface to the wetlands geospatial dataset, delivering easy-to-use, map-like views of the nation’s wetland and deepwater resources. NWI data is mapped using a biological wetland definition and should not be interpreted as representing the presence, absence, or extent of wetlands that may be covered under one or more federal, state, Tribal, or local laws. It is based on the framework for the National Wetlands Inventory (NWI). The standard NWI classification is a hierarchical organization that categorizes wetlands into systems ans subsystems and was developed by L. . These national products provide the A-16 wetlands theme of the National Spatial Data Infrastructure. This information is available to the public through two resources: the Wetlands Geospatial Dataset and Wetlands Status and Trends reports. Here’s your 219 News Now for January 14, 2026. These data are used in wetland regulation and management, land use and conservation planning, environmental impact assessment, and natural resource inventories. S. com.

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