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Below you will find a selection of maps from the Great Rivers Habitat Alliance map room. Please direct any questions about these maps to our contact page.

Potential Effects of Maryland Heights Floodplain Development on St. Charles County and City

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Valley Park Levee Trail Spot Elevations

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2016-08-11 View of Valley Park Levee Area

Confluence Floodplain
Displays the Great Rivers confluence within surrounding cities.

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Confluence Flood Plain

Flood Plain
An enlarged view of the flood plain in and around St. Charles county.

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An enlarged view of the flood plain in and around St. Charles county.

St. Charles County Flood Plain
A map of St. Charles County’s flood plain.

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A map of St. Charles County's flood plain.

Levee Districts
Depicts levee districts in St. Charles and St. Louis counties.

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Depicts levee districts in St. Charles and St. Louis counties.

L-15 Levee
Proposed L-15 Levee in St. Charles county flood plain.

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Proposed L-15 Levee in St. Charles county flood plain.

USGS
USGS map of flood plain in St. Charles county.

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USGS map of flood plain in St. Charles county.

Flood Plain Ownership
Displays waterfowl clubs, agricultural, and publicly owned properties in the St. Charles County flood plain.

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Displays waterfowl clubs, agricultural, and publicly owned properties in the St. Charles County flood plain.

Urban Areas
Urban sprawl in St. Charles and St. Louis Counties.

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Urban sprawl in St. Charles and St. Louis Counties.

Tree Cover
Tree coverage in St. Charles county.

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Tree coverage in St. Charles county.

Soil Types
Soil types in St. Charles county.

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Soil types in St. Charles county.

Duck Clubs
An aerial photo of duck clubs (outlined in yellow) in the St. Charles county area.

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An aerial photo of duck clubs (outlined in yellow) in the St. Charles county area.