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Miami Valley Land UseDemand Assessment
Board of DirectorsApril 2, 2009
Martin Kim, Director of Regional Planning
“Going Places” Planning Process
3 Phase process with an estimated timeline of 4 years Phase I – Existing Condition Assessment: Physical and
Non-Physical Condition Evaluation (Est. 1.5 Yrs: July 2007 – December 2008)
Phase II – Future Landscape Exploration: Future Land Use Scenario Development and Assessment (Est. 2 Yrs: January 2009 – December 2010)
Phase III – Building a Clear and Shared Regional Growth Framework (Est. 6 months: January 2011 – June 2011)
Purpose
To be the culmination of the non-physical existing conditions evaluation of “Going Places – An Integrated Land Use Vision for the Miami Valley Region”
To present the results of the 2040 population and employment forecasts
To estimate future 2040 land use demand based on the continuation of existing population, demographic, and development trends
Data Sources
U.S. Census Bureau Ohio Department of Development Ohio Department of Jobs and Family Services Ohio EPA, Division of Surface Water National Center for Education Statistics Local Sources including:
County Auditors Local School Districts Local Water Facilities Correctional Facilities
Introduction Methodology
Socio-Economic Projections Land Use Demand Projections
Socio-Economic Projections Population Employment
Land Use Demand Projections Base Data and Assumptions Results
Report Structure
Methodology – Population Forecast
County level projection from 2000 to 2040 The population projections from 2010 to 2030 are
taken directly from the Ohio Department of Development’s county-level population projections
MVRPC extended these projections to 2040
Methodology – Employment Forecast
Two employment projections were calculated – one high, one low – for Greene, Miami, and Montgomery counties
Lower level projection is from the Long Range Transportation Plans, extended to 2040
Upper level projection calculated in two stages Short-term to 2010 Long-term to 2040
For the three cities in Warren County, projections to 2030 were obtained from OKI, extended to 2040
All projections were made at the county level, then divided into SIC categories
Population Forecasts
Between 2000 and 2040, the Region’s population is expected to grow by less than 3%
Employment Forecasts
At the upper end of the range, regional employment could increase by almost 19% between 2000 and 2040
At the lower end of the range, employment could increase by only 5% between 2000 and 2040.
Methodology – Land Use Demand
Followed methods presented in Planner’s Estimating Guide: Projecting Land-Use and Facility Needs by Arthur C. Nelson
Based on the assumption that development would continue at the same densities and intensities that were represented in 2007
Projections calculated for 5 categories: Residential Employment Facilities Education Water and Wastewater Utilities
Base Data and Planning Assumptions: Residential Land Use
Projections calculated separately for multi-family and single-family housing
All 2007 densities, persons per household, and vacancy rates were held constant to 2040
Housing Units AcresVacancy
Rate
Estimated Household
SizeSingle Family<1 Units Per Net Acre 36,116 (10.7%) 80,740 6.61% 2.651-2 Units Per Net Acre 86,769 (25.8%) 46,140 6.61% 2.663-5 Units Per Net Acre 92,659 (27.6%) 23,756 6.61% 2.586+ Units Per Net Acre 59,666 (17.7%) 8,344 6.61% 2.55Subtotal Single Family 275,210 (81.9%) 158,979 6.61% 2.61Multi-FamilyTotal Multi-Family 61,026 (18.1%) 8,466 18.96% 2.81Total Residential 336,236 (100%) 167,446 9.36% 2.64
Base Data and Planning Assumptions: Employment Related Land Use
Since two employment projections were calculated, two land use projections for land related to employment was calculated
2007 Square footage per employee, floor area ratios (FARs), and vacancy rates were held constant to 2040
Facility Sq. Ft.
Sq. Ft. Per Employee
(Lower Projection)
Sq. Ft. Per Employee
(Upper Projection) Acres
Vacancy Rate FAR
Total Industrial 80,045,176 958.9 1,029.8 10,712 19.3% 0.1715 Manufacturing 79,007,280 1,250.5 1,341.8 9,990 19.3% 0.1816Total Commercial 147,116,302 397.8 426.4 24,596 14.6% 0.1373 Retail 56,877,180 676.1 723.7 6,527 12.7% 0.2000 Office* 32,560,782 149.0 160.0 3,169 18.2% 0.2359Total 227,161,478 501.2 537.4 42,969 16.8% 0.1477
Base Data and Planning Assumptions: Public Facility Land Use
Future land use demand for fire/emergency medical services, and police facilities were based on projected functional population and current levels of service
All other public facilities were not projected but held constant to 2040
200724/7 Functional Population
sq ft acresPublic Safety Facilities Fire/EMS Facilities 674,108 127.8 Police Facilities 518,177 122.9 Jail and Detention Facilities n/a 244.2Government and Leisure Facilities 3,766,533 534.7Major Community Facilities 1,186,306 386.5Parks and Open Space n/a 37,039.9Private Land-Extensive Land Uses n/a 4,781.7Miscellaneous Support n/a 1,793.9Religious n/a 3,464.4
Region700,083
Base Data and Planning Assumptions: Educational Land Use
Only public primary & secondary schools’ acreage was projected to 2040 Enrollment data for primary, secondary, and post-secondary
schools was obtained from National Center for Education Statistics
Building square footage data was obtained directly from the school districts
Levels of service for facility space/student came from lower range of Ohio School Facilities Commission’s guidelines
Regional Public Primary & Secondary Schools, 2007Number of students
Facility square footage Acreage FAR
Grades K-5 (Elementary School) 58,212 6,600,909 1,431.1 0.1059Grades 6-8 (Middle School) 30,001 4,501,305 939.7 0.1100Grades 9-12 (High School) 41,211 6,420,978 1,545.6 0.0954Total Public Primary & Secondary School Acreage 129,424 17,523,192 3,916.4 0.1027
Base Data and Planning Assumptions: Water and Wastewater Utilities Land Use
Capacities for water and wastewater at the county level were determined to be sufficient for future demand, therefore additional land for these types of facilities was not allocated in projections for 2040
Local demands may differ and so additional future land may be needed
Capacity, mgd, 2008
Demand, mgd, 2008 Acreage
Capacity, mgd, 2007
Demand, mgd, 2007 Acreage
Region 238.04 101.93 633.25 182.87 132.95 1,586.15
Water Supply Wastewater
Land Use Demand Projection Overall, the Region could need between 7,544 and
16,412 additional acres of development by 2040, approximately one to two times the area of WPAFB Warren County is expected to see the largest increase in need Montgomery County is expected to increase only by between
0.2% and 3.0%
Total Developed
Acreage 2007
Lower Level Total Acreage Needed 2040
Percent Change
2007-2040
Upper Level Total Acreage Needed 2040
Percent Change
2007-2040Region 275,709 283,253 2.7% 292,121 6.0%
Greene 73,696 77,799 5.6% 78,958 7.1%Miami 63,512 67,080 5.6% 68,394 7.7%Montgomery 130,715 130,956 0.2% 134,593 3.0%Warren* 7,786 13,038 67.5% 13,038 67.5%
For More Information
Martin Kim, Director of Regional Planning at [email protected]
Katy Bowman, Research Associate at [email protected]