Wetlands in St. Charles County, Missouri

St. Charles County, Missouri has 53,568 acres wetland mapped. The map below shows every mapped feature inside the county boundary.

St. Charles County, Missouri at a glance

Wetland mapped53,568 acres
Distinct wetlands mapped6,805
Share of the county that is wetland14.3%
Most common wetland typeFreshwater Pond (3,298)
Distinct wetland types5
Largest single wetland8,688 acres (Lake)

St. Charles County, Missouri is home to 426,499 residents. Land Owl's national wetlands layer records the following within the county boundary — Wetland mapped: 53,568 acres. Distinct wetlands mapped: 6,805. Share of the county that is wetland: 14.3%. Most common wetland type: Freshwater Pond (3,298). Distinct wetland types: 5. Largest single wetland: 8,688 acres (Lake). Every feature shown on the map above is clickable, and the figures on this page are derived from the same data the map renders, so they always agree. A free Land Owl account adds parcel boundaries, ownership records, flood zones, soils, wetlands and topography over the same view.

Frequently asked questions

How many wetlands are there in St. Charles County, Missouri?
Land Owl maps 53,568 acres wetland mapped within St. Charles County, Missouri.
Is this wetlands map free to use?
Yes. This map is free to view. A free Land Owl account unlocks the other data layers, parcel boundaries and ownership records.
Where does this data come from?
Land Owl maps wetlands from the U.S. Fish & Wildlife Service National Wetlands Inventory (NWI). NWI-mapped wetlands are a screening tool, not a jurisdictional delineation — confirm any boundary with a qualified delineator before you rely on it.

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