Wetlands in Ventura County, California

Ventura County, California has 35,026 acres wetland mapped. The map below shows every mapped feature inside the county boundary.

Ventura County, California at a glance

Wetland mapped35,026 acres
Distinct wetlands mapped11,249
Share of the county that is wetland3%
Most common wetland typeRiverine (4,746)
Distinct wetland types7
Largest single wetland2,235 acres (Lake)

Ventura County, California is home to 830,851 residents. Land Owl's national wetlands layer records the following within the county boundary — Wetland mapped: 35,026 acres. Distinct wetlands mapped: 11,249. Share of the county that is wetland: 3%. Most common wetland type: Riverine (4,746). Distinct wetland types: 7. Largest single wetland: 2,235 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 Ventura County, California?
Land Owl maps 35,026 acres wetland mapped within Ventura County, California.
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.

See every layer over Ventura County

Parcel boundaries, ownership, flood zones, soils, wetlands and topography on one map.

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