With over 136,000 acres of permanently-protected land, approximately 28% of the county is preserved as open space or agricultural land. This web page provides data on open space preservation, an overview of county open space policies, and links to conservancies and other open space partners.

Programs and Projects

Chester County Protected Open Space Tracking (POST)

Every year the Chester County Planning Commission inventories and maps all protected open space in the County including conservation easements, agricultural easements, and public parkland. Click here to view a webmap of these properties as well as information about the program.

POST logoEach year the Planning Commission asks each municipality and non-profit land trust to submit information on parcels of land that have been protected within the past year. Click here to submit parcel information into the POST on-line inventory. Individuals with questions about POST should contact the POST administrator at POSTadmin@chesco.org or (610)-344-6285.

County-Wide Planning Policies


Landscapes2, Chester County’s current Comprehensive Plan, states the County's goal for open space is to "Acquire, enhance, and manage as essential infrastructure, an integrated network of protected open spaces that are linked together by greenways or trail corridors." Click here to learn more.

Linking Landscapes

Linking Landscapes was the open space element of the county's prior comprehensive plan. Click here to view and download a copy of the plan.


Watersheds is the county-wide Stormwater Management Plan, which was produced by the Chester County Water Resources Authority in 2002. It includes recommendations for prioritizing the preservation of land that can help protect water quality and minimize flooding, such as riparian buffers and floodplains. Click here to view and download a copy of the plan.


Click here to learn more about the progress the Planning Commission has made working towards the goals identified in Landscapes2, and how your voice can be heard as we update the comprehensive plan.

Issues and Trends

Preservation Trends

Click here to view a summary of preservation efforts in Chester County.


There are many organizations based in or working in Chester County who protect open space in the county, either on their own or in conjunction with the County or State. Click here for a list of these preservation organizations.