AG-A Rural Residential District. The purpose of this district is to provide for agricultural uses and estate-type single-family residential development in rural areas where public utility facilities may not be immediately available and to provide for compatible public, semipublic and accessory uses.

AG-B Agricultural District. The purpose of this district is to provide for the continuation of large farms and to authorize estate-type single-family development in areas outside the service area if public utilities are provided within the Township or in areas expected to be served by the extension of public utilities from adjoining communities and to authorize compatible public, semipublic and accessory uses complementing agricultural and low density residential development.

R-1 Low Intensity Residential District. The purpose of this district is to accommodate areas with existing residential development of low-intensity adjacent to the regional transportation network and easily served by the future extension of public utilities in the Township.

R-2 Moderate-Intensity Residential District. The purpose of this district is to accommodate areas of moderate-intensity single-family and multifamily residential development that complement existing residential development patterns and infrastructure availability.

TC Town Center District. The purpose of this district is to provide a mixture of residential, retail shopping, consumer service and personal service uses intended to serve household needs where such land use activity, character and scale can be accessible for pedestrians and vehicles to and from adjacent residential areas as well as considers the Township's historic development patterns while accommodating modern trends.

C-1 Neighborhood-Scale Commercial District. The purpose of this district is to provide retail shopping and service facilities which serve immediate households' needs, do not adversely impact neighboring residential uses and are appropriate to smaller properties that accommodate uses of a limited type and size which do not generate large amounts of traffic.

C-2 Community-Scale Commercial District. The purpose of this district is to provide for retail and consumer and personal service-oriented facilities which serve the needs of the general community and are located in high-volume traffic corridors to promote convenient access and minimize the traffic impact on neighborhoods and local roads.

C-3 Regional Commerce District. The purpose of this district is to accommodate larger-scale nonresidential facilities, generally located in high-volume traffic corridors, and where such uses are primarily retail, office, research and development, and limited industrial in nature and geared to the needs of both the community and the region.

I-1 Restricted Industrial District. The purpose of this district is to provide for light industrial uses in appropriate locations adjacent to the regional transportation network consistent with sound planning and environmental controls.

R-AG Residential Agriculture District. The purpose of this district is to provide for agricultural uses, low-density residential development and planned higher density development in areas where the general character is defined by rural areas which are in close proximity to major roads, infrastructure and areas near existing concentrated residential development and to provide for compatible public, semipublic and accessory uses as conditional uses or uses by special exception.

ADO Airport District Overlay. The purpose of this district is to consider safety issues around the Pittsburgh-Butler Regional Airport, to regulate and restrict the heights of constructed structures and objects of natural growth, create appropriate zones, establish the boundaries thereof and provide for changes in restrictions and boundaries of such zones, create the permitting process for use within said zones and provide for enforcement, assessment of violation penalties, an appeals process, and judicial review.

Route 228 COD Route 228 Corridor Overlay District. The purpose of this overlay district is to provide a land use management tool to guide new development in a manner consistent with the Township's Comprehensive Plans to maintain the Township's unique rural character while allowing for economic growth that will benefit the Township, neighboring communities, and the larger region. The MPC provides in Section 605(2)[1] for the establishment of additional zoning classifications (overlay districts) to be made within any zoning district for the regulation, restriction or prohibition of uses and structures at, along, or near major thoroughfares, their intersections and interchanges, and transportation arteries. This portion of Route 228, between the Township's western border and the intersection of Route 228 and Route 8, is a major thoroughfare in need of special attention with regard to land use and development in the Township.