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Strategy 5: Agricultural Preservation Models
Strategy Description:
This strategy explores land use models
(e.g. sliding scale zoning and land area ratios), the Pennsylvania experience
– how these models have worked, when it is appropriate to use the models
and when it is not, a model process to implement effective agriculture
zoning, and other programs that will complement the land use controls.
Key Components:
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Understand the Pennsylvania models
that have been effective in preserving prime agriculture areas.
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Recent revisions to the PAMPC have given special
emphasis to agriculture preservation.
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A broad definition of agricultural operation
– "an enterprise that is actively engaged in the commercial production
and preparation for market of crops, livestock, and livestock products
and in the production, harvesting and preparation for market or use of
agricultural, agronomic, horticultural, silvicultural, and aquacultural
crops and commodities. The term includes an enterprise that implements
changes in production practices and procedures or types of crops, livestock
products of commodities produced consistent with practices and procedures
that are normally engaged by farmers or are consistent with technological
development within the agricultural industry."
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Changes in Article VI – Zoning: added zoning
ordinances may contain provisions to promote and preserve prime agricultural
land, defined as "land used for agricultural purposes that contains soils
of the first, second or third class as defined by the United States Department
of Agriculture Natural Resource and Conservation Services County Soil Survey."
(PAMPC definitions). The changes state that zoning ordinances may not restrict
agricultural operations or changes to or expansions of agricultural operation
in geographic areas where agriculture has traditionally been present, unless
the agricultural operation will have a direct adverse effect on the public
health and safety and may not violate or exceed the provisions of the Nutrient
Management Act, the Agricultural Area Security Law, or the law protecting
agriculture operations from nuisance suits and ordinances (PAMPC Section
603.h).
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Two effective agriculture zoning models are
popular in Pennsylvania: sliding scale zoning and fixed-area ratio zoning.
The two models have the following common features:
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Provide minimum and maximum lot areas for
uses other than farming – homes and farm support businesses
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Limit the number of development rights on
a parcel
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Locate dwelling or non-farm uses on areas
of the farm property which are the least suitable for agriculture use
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The area remaining after all development rights
have been used may not be further subdivided.
The difference between the two techniques
is the method of placing limits on the number of development rights (lots
to be used for dwellings or nonfarm activities) on a parcel.
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Sliding scale zoning: Using a sliding scale
the number of development rights varies with the size of the farm parcel.
The following example shows the sliding scale used in Shrewsbury Township,
York County:
Size of Parcel
# of Development Rights
0-5 acres
1
5-15 acres
2
15–30 acres
3
30–60 acres
4
60-90 acres
5
90-120 acres
6
120-150 acres
7
Over 150 acres
8 plus 1 dwelling for each 30 acres over 150 acres
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Fixed-Area Ratio: The number of development
rights is based on a set ratio of rights to the total acreage. Examples
include one development right for every 10 acres or one development right
for every 25 acres. The size is often based on the county’s definition
of a productive farm.
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The most notable use of these techniques has
been in York and Lancaster Counties. The York County experience reflects
wide-spread use of sliding scale zoning. The technique has been tested
in court with successful results. The fixed-area ratio has been used extensively
in Lancaster County. Both of the models have been successful in preserving
agriculture land.
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Large lot zoning with a minimum lot size of
ten acres has not been as effective in preserving agriculture lands and
in some court cases have been seen as overly restrictive, principally because
they have not made an adequate connection to agriculture preservation.
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Determine if effective agriculture zoning
is appropriate. Three factors are important in this assessment.
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The concentration of prime agricultural soils
and critical mass of productive agriculture operations. For effective agriculture
zoning to work, a concentration of contiguous farm parcels and farming
activity is needed. Isolated parcels that are experiencing development
pressure would be ill-suited for effective agriculture zoning.
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The concentration of agriculture easements.
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The desire by the farming community to continue
the farming activity or a viable market for farmland in the long-term.
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Work with the farm community to determine
the most desirable method for effective agriculture zoning. The Pennsylvania
Agriculture Extension service is prepared to provide services to explore
these options with the community.
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Consider inviting farmers who are located
in areas that have adopted the effective agriculture zoning to speak with
the community regarding their experiences. In most cases, the value of
the agriculture land has gone up but the tax rate has gone down.
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Develop several scenarios with the community
to determine which will be most accepted. Expect resistance and the need
for training – allow time for the ideas to spread through informal communication
networks and opportunities to answer questions and assess impacts.
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Build political will as well as community
support. It is very often difficult to reach total consensus on this issue,
and at some point it will be up to the governing bodies to decide whether
to endorse a technique or not.
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Embrace other methods to preserve agriculture
resources:
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Support the purchase of agriculture conservation
easements.
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Encourage farmers to participate in the agriculture
security and clean and green programs.
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Explore the use of transferable development
rights (TDR). The TDR program is not new in Pennsylvania; however, it is
one of the least used techniques enabled in the PAMPC (Section 619.1).
The technique has recently been put to use in Bucks, Chester, York, and
Lancaster counties. The TDR program will have its greatest success in areas
were vacant lands in urban areas are in high demand and the supply is dwindling.
The program takes considerable administrative management.
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Elements of a TDR program are:
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The municipality or the County establishes
the procedure for the transfer.
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The concept allows the transfer of development
rights (permitted number of rights) from one area (sending area) to another
area (receiving area).
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The concept is used by parcel owners who want
to preserve farmland and /or open space and still receive payment for the
permitted development rights. The receiving area property owner is permitted
to develop his or her land at a greater density.
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Process to create a TDR program:
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Begin with a clear set of preservation goals.
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Designate receiving areas in growth areas
outside boroughs or villages (may lose control of density/community character)
or interchange areas.
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Establish a sending to receiving ratio to
establish an incentive to sell and to determine the size of the receiving
areas.
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Establish a maximum density for receiving
areas. The transfer of development rights assumes the areas will be more
dense than existing zoning allows; however, a cap should be placed on how
much additional density would be allowed commensurate with the existing
and planned infrastructure.
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Establish the number of development rights
to be allocated to each sending area and record them in the County Recorder’s
Office.
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Make the process manageable from an administrative
and implementation perspective.
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Prepare land use regulations to establish
the process.
Regional Application:
The use of the strategy is applicable
to concentrated areas of farming activity where there is a strong desire
to retain and sustain the activity for the long-term. Many of the ideas
that are listed in this strategy would be applicable to the preservation
of open spaces and conservation areas. These ideas have been used by communities
for these purposes; however, not all of the suggestions have been tested
through the legal system.
Implementation:
The implementation of the majority
of these ideas would be coordinated with the multi-municipal and county
comprehensive planning process and captured as part of land use regulation
development.
Indicators:
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Number of agriculture conservation easements
and acres
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Number of conservation easements and acres
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Number of agriculture security areas and
acres
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Number of acres in clean and green
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Number of zoning ordinances with effective
agriculture zoning districts
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Number of zoning ordinances with TDRs
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Number of designated sending and receiving
areas
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Growth tracking in the receiving areas
Funding:
Planning process funding in Pennsylvania
may come from a variety of sources including general or special funds at
the local and county level, State grants (Land Use Planning and Technical
Assistance Grants), and Community Development Block Grants.