GIS

1
GIS Planning, Looking Backand Looking Forward

• Chad Hoover, GISP
• Steuben County GIS Coordinator

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Steuben County 1883 Map
Steuben County Current
3
Looking Back

• Comprehensive Plan adopted 1970
• Revision of Comprehensive Plan 2006
• Adopted New Zoning Ordinance August 2008
• Adopted New Subdivision Control Ordinance August
  2008

4
Why did we need Change?

• Properties County Changing without proper
  planning
• Properties could split up to 5-1Acre tracts in 6
  years without Plan Commission Approval
• Many Rural Subdivisions being created without
  being intended and putting pressures on the local
  ag community.

5
How will the County look with the existing plan?

• Parcel Predictions

• Splits By Township

Tax District Additional Count
Clear Lake 1279
Fremont 2066
Jackson 4711
Jamestown 7394
Millgrove 5218
Otsego 4243
Pleasant 10191
Richland 1648
Salem 5517
Scott 3382
Steuben 4930
York 2640

• Current 2008 Total 39,620
• New splits 13,601
•                                    
  ----------
•   Grand Total 53,221
• Jan 2010 39942

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How has County changed since 1970?

• What resources do we have from that era?
• Scanned 1964,1973 1982 Aerial photographs from
  Surveyors Office
• Assessors Office created Landuse layer from 1973
  photographs.
• Compared number of home sites as addresses 1973
  vs. 2008

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Historical Photos

• Georeferenced 1973 Aerials using 911 road
  centerlines USPLS Sections
• Intern Scanned 1964, 1973, 1982 aerial
  photographs with Oce TDS 400 Scanner at 400dpi
• Over 250 images scanned

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Georeference

• Add image to Map
• Changed Transparency
• Zoom to Sections of Aerial
• Use Georeference Tools (Rotate, Shift, Scale)
• When Selecting Points Use Window Magnifier
• Add Control Points

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Rectify Image
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1973 Georeferenced
2005 ½ foot pixel
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1973 Land Use

• Assessors Office created land use layer for
  Scott Township based on Ag related criteria
• Type 4 Tillable Land
• Type 5 Non Tillable
• Type 6 Forest

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• 1973 Land use

• Current Land use

•          

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Acreage
1973 Type Summary
Tillable 4 570,917,825.12 13,106
Non-Tillable 5 58,046,626.94 1,333
Forest 6 91,882,974.11 2,109
16,548

2008 Type
Tillable 4 524,201,856.99 12,034
Non-Tillable 5 14,734,612.49 338
Forest 6 107968712.0928 2,479
14,851

1697
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Home site Comparison

• 1973 Aerials
• Current 911 Address Points
• Selected current points from Scott Township
• Removed from selection, points not existing in
  1973

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1973 Addresses
16
Current Addresses
212 New Homes
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• 1973

• 2008

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Future Landuse Map
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Ordinance Findings

• More Robust Land Division Regulations
• Splits less than 20 Acre Require Platting
• More Restrictive Setbacks
• Limitations to Number of Dwellings per Parcel
• Zoning Changes with Better Definitions

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Getting Ordinance to users

• Attached Zoning Ordinance to GIS, Making
  Information Available to Public

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Questions?

• Chad Hoover, GISP
• Steuben County Government
• choover_at_co.steuben.in.us
• 260-668-1000 ext. 1228