United States Department of Agriculture
Natural Resources Conservation Service
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Combining Land Evaluation (LE) and Site Assessment (SA) Ratings

LE and SA weighted ratings are added to provide a total LESA score for the parcel. A spreadsheet is attached for use in applying the Statewide LESA system. Users may wish to further separate SA scores to provide a perspective on relative values expressed by the individual factors.

Sample Table for Combining LE and SA Ratings
  Factor Weighted Factor Rating Site/Area Rating
LE Land Capability 7.85  
Soil Productivity 11.25  
Important Farmland 21.87  
LE Subtotal 41.0
SA SA-1 14.5  
SA-2 11.2  
SA-3 6.5  
SA Subtotal 32.2
Total LESA Score 73.2

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