HomeMy WebLinkAboutSUB201300058 Assessment - Environmental 2013-04-30 ,....,
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1 LOI A
ALEEMAM E
Thomas Jefferson Soil and Water Conservation District
706 Forest St, Ste G
Charlottesville, VA 22903
975-0224
May 13, 2013
TO: Megan Yaniglos
Planning Department
RE: Soils Report for:
Dunlora Forest Phase 3
RECEIVED
NAY I 6 7013
COMMUNITY
DEVELOPMENT
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Soil Map—Albemarle County,Virginia DunLora Forest-3-Soils Map
Map Unit Legend
Albemarle County,Virginia(VA003)
Map Unit Symbol Map Unit Name Acres in AO1 Percent of AO1
2B Albemarle fine sandy loam,2 to 7 percent 1.5 6.8%
slopes
2C Albemarle fine sandy loam,7 to 15 percent 0.8 3.5%
slopes
21B Culpeper fine sandy loam,2 to 7 percent 3.3 14.8%
slopes
21 C Culpeper fine sandy loam,7 to 15 percent 8.0 35.6%
slopes
39D Hazel loam,15 to 25 percent slopes 3.0 13.5%
47D Louisburg sandy loam,15 to 25 percent 4.5 19.9%
slopes
96B Worsham loam,2 to 7 percent slopes 1.3 6.0%
Totals for Area of Interest 22.4 100.0%
t` Natural Resources Web Soil Survey 5/14/2013
Conservation Service National Cooperative Soil Survey Page 3 of 3
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Map Unit Description (Brief, Generated)
Albemarle County,Virginia
[Minor map unit components are excluded from this report]
Map unit: 2B-Albemarle fine sandy loam,2 to 7 percent slopes
Component: Albemarle(80%)
The Albemarle component makes up 80 percent of the map unit.Slopes are 2 to 7 percent. This component is on hillslopes,piedmonts.
The parent material consists of residuum weathered from metasedimentary rock.Depth to a root restrictive layer,bedrock,paralithic,is
35 to 60 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is moderately high. Available
water to a depth of 60 inches is moderate. Shrink-swell potential is low. This soil is not flooded.It is not ponded. There is no zone of
water saturation within a depth of 72 inches.Organic matter content in the surface horizon is about 2 percent. Nonirrigated land
capability classification is 2e. This soil does not meet hydric criteria.
Map unit: 2C-Albemarle fine sandy loam,7 to 15 percent slopes
Component: Albemarle(80%)
The Albemarle component makes up 80 percent of the map unit.S lopes are 7 to 15 percent. This component is on hillslopes,piedmonts.
The parent material consists of residuum weathered from metasedimentary rock.Depth to a root restrictive layer,bedrock,paralithic,is
35 to 60 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is moderately high. Available
water to a depth of 60 inches is moderate. Shrink-swell potential is low. This soil is not flooded.It is not ponded. There is no zone of
water saturation within a depth of 72 inches.Organic matter content in the surface horizon is about 2 percent. Nonirrigated land
capability classification is 3e. This soil does not meet hydric criteria.
Map unit: 21 B-Culpeper fine sandy loam,2 to 7 percent slopes
Component: Culpeper(80%)
The Culpeper component makes up 80 percent of the map unit.Slopes are 2 to 7 percent. This component is on hillslopes,piedmonts.
The parent material consists of residuum weathered from meta-arkosic sandstone and quartzite.Depth to a root restrictive layer,
bedrock,lithic,is 40 to 79 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is moderately
high. Available water to a depth of 60 inches is moderate. Shrink-swell potential is moderate. This soil is not flooded.It is not ponded.
There is no zone of water saturation within a depth of 72 inches.Organic matter content in the surface horizon is about 2 percent.
Nonirrigated land capability classification is 2e. This soil does not meet hydric criteria.
Map unit: 21C-Culpeper fine sandy loam,7 to 15 percent slopes
Component: Culpeper(80%)
The Culpeper component makes up 80 percent of the map unit.Slopes are 7 to 15 percent. This component is on hillslopes,piedmonts.
The parent material consists of residuum weathered from meta-arkosic sandstone and quartzite.Depth to a root restrictive layer,
bedrock,paralithic,is 40 to 79 inches. The natural drainage class is well drained. Water movement in the most restrictive layer is
moderately high. Available water to a depth of 60 inches is moderate. Shrink-swell potential is moderate. This soil is not flooded.It is
not ponded. There is no zone of water saturation within a depth of 72 inches.Organic matter content in the surface horizon is about 2
percent. Nonirrigated land capability classification is 3e. This soil does not meet hydric criteria.
Map unit: 39D-Hazel loam,15 to 25 percent slopes
Component: Hazel(80%)
The Hazel component makes up 80 percent of the map unit.Slopes are 15 to 25 percent. This component is on piedmonts,hillslopes.
The parent material consists of residuum weathered from graywacke sandstone and mica schist.Depth to a root restrictive layer,
bedrock,lithic,is 20 to 40 inches. The natural drainage class is excessively drained. Water movement in the most restrictive layer is
high.Available water to a depth of 60 inches is low. Shrink-swell potential is low. This soil is not flooded. It is not ponded. There is no
zone of water saturation within a depth of 72 inches.Organic matter content in the surface horizon is about 1 percent. Nonirrigated land
capability classification is 4e. This soil does not meet hydric criteria.
USDA Natural Resources
Tabular Data Version:8
Conservation Service Tabular Data Version Date: 12/15/2008 Page 1 of 2
`r•9
Map Unit Description (Brief, Generated)
Albemarle County,Virginia
Map unit: 47D-Louisburg sandy loam,15 to 25 percent slopes
Component: Louisburg(75%)
The Louisburg component makes up 75 percent of the map unit.Slopes are 15 to 25 percent. This component is on hillslopes,
piedmonts. The parent material consists of residuum weathered from granite and gneiss.Depth to a root restrictive layer is greater than
60 inches.The natural drainage class is well drained. Water movement in the most restrictive layer is high. Available water to a depth of
60 inches is moderate. Shrink-swell potential is low. This soil is not flooded. It is not ponded. There is no zone of water saturation within
a depth of 72 inches.Organic matter content in the surface horizon is about 1 percent. Nonimgated land capability classification is 7e.
This soil does not meet hydric criteria.
Map unit: 96B-Worsham loam,2 to 7 percent slopes
Component: Worsham(75%)
The Worsham component makes up 75 percent of the map unit.Slopes are 2 to 7 percent. This component is on uplands,
drainageways. The parent material consists of colluvium derived from igneous rock.Depth to a root restrictive layer is greater than 60
inches. The natural drainage class is poorly drained. Water movement in the most restrictive layer is low. Available water to a depth of
60 inches is moderate. Shrink-swell potential is moderate. This soil is not flooded.It is not ponded.A seasonal zone of water saturation
is at 6 inches during January,February,March,April,November,December. Organic matter content in the surface horizon is about 2
percent. Nonirrigated land capability classification is 4w. This soil meets hydric criteria.
USDA Natural Resources Tabular Data version:8
Conservation Service Tabular Data Version Date: 12/15/2008 Page 2 of 2
•
Dwellings and Small Commercial Buildings
Albemarle County,Virginia
[Onsite investigation may be needed to validate the interpretations in this table and to confirm the identity of the soil on a given site. The numbers in
the value columns range from 0.01 to 1.00. The larger the value,the greater the potential limitation. The table shows only the top five limitations for
any given soil. The soil may have additional limitations]
Pct. Dwellings without basements Dwellings with basements Small commercial buildings
Map symbol of
and soil name map
unit Rating class and Value Rating class and Value Rating class and Value
limiting features limiting features limiting features
2B:
Albemarle 80 Not limited Somewhat limited Somewhat limited
Depth to hard 0.42 Slope 0.13
bedrock
Depth to soft bedrock 0.01
2C:
Albemarle 80 Somewhat limited Somewhat limited Very limited
Slope 0.37 Depth to hard 0.42 Slope 1.00
bedrock
Slope 0.37
Depth to soft bedrock 0.01
21B:
Culpeper 80 Somewhat limited Somewhat limited Somewhat limited
Shrink-swell 0.50 Shrink-swell 0.50 Shrink-swell 0.50
Depth to hard 0.42 Slope 0.13
bedrock
21C:
Culpeper 80 Somewhat limited Somewhat limited Very limited
Shrink-swell 0.50 Shrink-swell 0.50 Slope 1.00
Slope 0.37 Depth to hard 0.42 Shrink-swell 0.50
bedrock
Slope 0.37
39D:
Hazel 80 Very limited Very limited Very limited
Slope 1.00 Slope 1.00 Slope 1.00
Depth to hard 0.46 Depth to hard 1.00 Depth to hard 0.46
bedrock bedrock bedrock
47D:
Louisburg 75 Very limited Very limited Very limited
Slope 1.00 Slope 1.00 Slope 1.00
96B:
Worsham 75 Very limited Very limited Very limited
Depth to saturated 1.00 Depth to saturated 1.00 Depth to saturated 1.00
zone zone zone
Shrink-swell 0.50 Shrink-swell 0.50 Shrink-swell 0.50
Slope 0.13
USDANatural Resources This report shows only the major soils in each map unit Others may exist.
Tabular Data Version:8
Conservation Service Tabular Data Version Date: 12/15/2008 Page 1 of 1
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Roads and Streets, Shallow Excavations, and Lawns and Landscaping
Albemarle County,Virginia
[Onsite investigation may be needed to validate the interpretations in this table and to confirm the identity of the soil on a given site. The numbers in
the value columns range from 0.01 to 1.00. The larger the value,the greater the potential limitation. The table shows only the top five limitations for
any given soil. The soil may have additional limitations]
Pct. Local roads and streets Shallow excavations Lawns and landscaping
Map symbol of
and soil name map
unit Rating class and Rating class and Value Rating class and
Value Value
limiting features limiting features limiting features
2B:
Albemarle 80 Very limited Somewhat limited Somewhat limited
Low strength 1.00 Depth to hard 0.42 Depth to bedrock 0.01
Frost action 0.50 bedrock
Cutbanks cave 0.10
Depth to soft bedrock 0.01
2C:
Albemarle 80 Very limited Somewhat limited Somewhat limited
Low strength 1.00 Depth to hard 0.42 Slope 0.37
Frost action 0.50 bedrock Depth to bedrock 0.01
Slope 0.37 Slope 0.37
Cutbanks cave 0.10
Depth to soft bedrock 0.01
21 B:
Culpeper 80 Somewhat limited Somewhat limited Not limited
Shrink-swell 0.50 Depth to hard 0.42
Frost action 0.50 bedrock
Low strength 0.10 Too clayey 0.13
Cutbanks cave 0.10
21 C:
Culpeper 80 Somewhat limited Somewhat limited Somewhat limited
Shrink-swell 0.50 Depth to hard 0.42 Slope 0.37
Frost action 0.50 bedrock
Slope 0.37 Slope 0.37
Low strength 0.10 Too clayey 0.13
Cutbanks cave 0.10
39D:
Hazel 80 Very limited Very limited Very limited
Slope 1.00 Depth to hard 1.00 Slope 1.00
Frost action 0.50 bedrock Depth to bedrock 0.46
Depth to hard 0.46 Slope 1.00
bedrock Cutbanks cave 0.10
47D:
Louisburg 75 Very limited Very limited Very limited
Slope 1.00 Slope 1.00 Slope 1.00
Cutbanks cave 0.10
USDANatural Resources This report shows only the major soils in each map unit.Others may exist.
Tabular Data Version:8
Conservation Service Tabular Data Version Date:12/15/2008 Page 1 of 2
Nave
Niue
Roads and Streets, Shallow Excavations, and Lawns and Landscaping
Albemarle County,Virginia
Pct. Local roads and streets Shallow excavations Lawns and landscaping
Map symbol of
and soil name map
unit Rating class and Value Rating class and Value Rating class and Value
limiting features limiting features limiting features
96B:
Worsham 75 Very limited Very limited Very limited
Depth to saturated 1.00 Depth to saturated 1.00 Depth to saturated 1.00
zone zone zone
Low strength 1.00 Cutbanks cave 0.10
Shrink-swell 0.50 Too clayey 0.03
USDANatural Resources This report shows only the major soils in each map unit.Others may exist
Tabular Data Version:8
Conservation Service Tabular Data Version Date:12/15/2008 Page 2 of 2