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Home My WebLink About20020131.tiff USDAUnited States Natural Resources Longmont Field Office Department of Conservation 9595 Nelson Road Agriculture Service Suite D (NRCS) Longmont , CO 80501-6359 Serving Boulder, SW Weld,and NW Adams Counties Telephone: 303-776-4034 X105 tim.carney@co.usda.gov Fax:303-684-9893 August 14, 2001 Carl Schaal 13900 WCR # 1 Longmont, Colorado 80504 Mr. Schaal, As requested enclosed find soils data for the parcel you described. These are general data derived from soils maps made in the early 1970s. They are not intended to replace construction site-specific soils analyses. Call if you have questions. Sincerely, --� CCi_.• ,‘12f Tim Carney District Conservationist r 2002-0131 The Natural Resources Conservation Service works hand-in-hand with the American people to conserve natural resources on private lands AN EQUAL OPPORTUNITY EMPLOYER ) ) ) • Soil Interpretations CO618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name Percent Component Name Interpretation ) 27 HELDT SILTY CLAY, 1 TO 3 PERCENT SLOPES 85 HELDT ENG-Dwellings W/O Basements Very limited Shrink-swell ENG-Dwellings With Basements Very limited Shrink-swell ENG-Septic Tank Absorption Fields Very limited Restricted permeability ENG-Shallow Excavations Somewhat limited Cutbanks cave Too clayey Tuesday,August 14,2001 Soil Survey information downloaded from National Soil Information System Page 1 of 10 (NASIS),USDA Natural Resources Conservation Service Soil Interpretations C0618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name Percent Component Name Interpretation ENG-Small Commercial Buildings Very limited Shrink-swell 42 NUNN CLAY LOAM, 1 TO 3 PERCENT SLOPES 85 NUNN ENG-Dwellings W/O Basements Very limited Shrink-swell ENG-Dwellings With Basements Not limited ENG-Septic Tank Absorption Fields Very limited Restricted permeability ENG-Shallow Excavations Somewhat limited Tuesday,August 14,2001 Soil Survey Information downloaded from National Soil Information System Page 2 of 10 (NASIS),USDA Natural Resources Conservation Service Soil Interpretations C0618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name - Percent Component Name Interpretation Too clayey Cutbanks cave ENG-Small Commercial Buildings Very limited Shrink-swell 4 AQUOLLS AND AQUEPTS, FLOODED 55 AQUOLLS ENG-Dwellings W/O Basements Very limited '.. l Depth to saturated zone Shrink-swell Flooding ENG-Dwellings With Basements Very limited Depth to saturated zone Flooding Tuesday,August 14,2001 Soil Survey information downloaded from National Soil Information System Page 3 of 10 (NASIS),USDA Natural Resources Conservation Service Soil Interpretations CO618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name Percent Component Name Interpretation ) Shrink-swell ENG-Septic Tank Absorption Fields Very limited Depth to saturated zone Flooding ENG-Shallow Excavations Very limited Depth to saturated zone Cutbanks cave Flooding ENG-Small Commercial Buildings Very limited Flooding Shrink-swell Depth to saturated zone Tuesday,August 14,2001 Soil Survey Information downloaded from National Soil Information System Page 4 of 10 (NASIS),USDA Natural Resources Conservation Service Soil Interpretations C0618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name Percent Component Name Interpretation 25 AQUEPTS, FLOODED ENG-Dwellings W/O Basements Very limited Flooding Depth to saturated zone Shrink-swell ENG-Dwellings With Basements Very limited Flooding Depth to saturated zone Shrink-swell ENG-Septic Tank Absorption Fields Very limited Flooding Depth to saturated zone Tuesday,August 14,2001 Soil Survey Information downloaded from National Soil Information System Page 5 of 10 (NASIS), USDA Natural Resources Conservation Service ) ) Soil Interpretations CO618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name Percent Component Name Interpretation ENG-Shallow Excavations Very limited Flooding Cutbanks cave Depth to saturated zone ENG-Small Commercial Buildings Very limited Depth to saturated zone Shrink-swell Flooding ) 65 THEDALUND LOAM,3 TO 9 PERCENT SLOPES 80 THEDALUND ENG-Dwellings W/O Basements Somewhat limited Shrink-swell Tuesday,August 14,2001 Soil Survey information downloaded from National Soil Information System Page 6 of 10 (NASIS),USDA Natural Resources Conservation Service Soil Interpretations CO618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name Percent Component Name Interpretation ENG-Dwellings With Basements Somewhat limited Depth to soft bedrock Shrink-swell ENG-Septic Tank Absorption Fields Very limited Restricted permeability Depth to bedrock ENG-Shallow Excavations Somewhat limited Depth to soft bedrock Cutbanks cave ENG-Small Commercial Buildings Somewhat limited Slope Shrink-swell Tuesday,August 14,2001 Soil Survey information downloaded from National Soil Information System Page 7 of 10 (NASIS),USDA Natural Resources Conservation Service Soil Interpretations CO618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name Percent Component Name Interpretation 83 WILEY-COLBY COMPLEX,3 TO 5 PERCENT SLOPES 55 WILEY ENG-Dwellings W/O Basements Somewhat limited Shrink-swell ENG-Dwellings With Basements Somewhat limited Shrink-swell ENG-Septic Tank Absorption Fields Somewhat limited Restricted permeability ENG-Shallow Excavations Somewhat limited Cutbanks cave Tuesday,August 14,2001 Soil Survey Information downloaded from National Soil Information System Page 8 of 10 (NASIS),USDA Natural Resources Conservation Service ) Soil Interpretations C0618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name Percent Component Name Interpretation ENG-Small Commercial Buildings Somewhat limited Shrink-swell 30 COLBY ENG-Dwellings W/O Basements Not limited ENG-Dwellings With Basements Not limited ENG-Septic Tank Absorption Fields } Somewhat limited Restricted permeability ENG-Shallow Excavations Somewhat limited Cutbanks cave Tuesday,August 14,2001 Soil Survey information downloaded from National Soil Information System Page 9 of 10 (NASIS),USDA Natural Resources Conservation Service Soil Interpretations CO618 - Weld County, Colorado, Southern Part Map Unit Symbol Map Unit Name Percent Component Name Interpretation jENG-Small Commercial Buildings Not limited Tuesday,August 14,2001 Soil Survey information downloaded from National Soli information System Page 10 of 10 (NASIS),USDA Natural Resources Conservation Service U.S. DEPARTMENT OF AGRICULTURE PAGE 1 OF 1 NATURAL RESOURCES CONSERVATION SERVICE 08/14/01 PRIME FARMLAND Prime Farmland - Schaal Property Request Map Soil name symbols 27 IHeldt silty clay, 1 to 3 percent slopes (where irrigated) 42 (Nunn clay loam, 1 to 3 percent slopes (where irrigated) • NIL) 14 S3a . �-3N - -� �gcJ 4 0 yes r -" „�•�3 Y��' � '$4 '''' ''''San'', �: .tigemiigg T. a s .t. �.." ., ... . 27 ...,1O5:,, a 4e t # `q ..?yep � . �. � .v � y ,. �:. : . : �. s • m *tom '., � ,�•��, • a as � :>• , ^'c , s "y ^` ^ .t 8w �`' ed• . ,.' . .; 'a to ^ :w 4 •�.A. ? tea � � :Ia a e ea • at fig,tty. ' �>n_ ' ' -" ' fs4 ' �d'.'d..: * .•,a'.a e c,e %e: .i; ''abw�.. w A °� 82 r Non-Technical Descriptions Soil Survey Area: 618 WELD COUNTY, COLORADO, SOUTHERN PART Map unit: 27 Heldt silty clay, 1 to 3 percent slopes Description Category: 501 The Heldt soil is a deep,moderately well drained soil. It is formed on plains in alluvial sediment derived from shale. The surface is a silty clay.The subsoil and the underlying material is clay loam. The soils have slow permeability. Their available water holding capacity is high. Roots penetrate to 60 inches or more. Runoff is medium and the erosion hazard due to wind is moderate. Map unit: 4 Aquolls and Aquepts,Flooded Description Category: SOI This map unit is in depressions in smooth plains and along bottoms of natural drainageways throughout the survey area.This unit consists of 55 percent Aquolls and 25 percent Aquepts soils.These soils are deep,poorly drained.They formed in recent alluvi um. The soils have a mildly to moderately alkaline loamy or clayey surface layer and underlying material that extends to a depth of 60 inches or more.The water table is at or near the surface,creating a hydric soil condition.The erosion hazard due to w ind is low. Map unit: 42 Nunn clay loam, 1 to 3 percent slopes Description Category: SOI The Nunn soil is a deep,well drained soil. It is formed on terraces and smooth plains in mixed eolian and alluvial deposits.The surface is a clay loam.The underlying material is clay loam and sandy loam. The soils have moderately slow permeability. T heir available water holding capacity is high. Roots penetrate to 60 inches or more. Runoff is slow and the erosion hazard due to wind is low. Map unit: 65 Thedalund loam, 3 to 9 percent slopes Description Category: SOI The Thedalund soil is a moderately deep,well drained soil. It is formed on plains in residuum from shale material. The surface is a loam.The underlying material is a loam. The soils have moderate permeability. Their available water holding capacity i s moderate. Roots penetrate to the depth of the shale,which ranges from 20 to 40 inches. Runoff is medium and the erosion hazard due to wind is moderate. Tuesday,August 14,2001 Page 1 of 2 Map unit: 83 Wiley-Colby complex, 3 to 5 percent slopes Description Category: SOI This map unit is on smooth plains.This unit consists of 60 percent Wiley and 30 percent Colby soils. The Wiley soil is a deep,well drained soil. It formed in calcareous eolian deposits.The surface is a silt loam.The subsoil is a silty clay loam.The s ubstratum to a depth of 60 inches or more is a silty clay loam.This soil has a moderately slow permeability.The available water holding capacity is high. Roots penetrate to a depth of 60 inches or more. Runoff is slow and the erosion hazard due to wind i s high. The Colby soil is a deep,well drained soil. It formed in calcareous eolian deposits.The surface is a loam.The underlying material to a depth of 60 inches or more is a silt loam.This soil has a moderate permeability.The available water holding capacity is high. Roots penetrate to a depth of 60 inches or more. Runoff is slow and the erosion hazard due to wind is high. Tuesday,August 14,2001 Page 2 of 2 Engineering Index Properties Soil Survey Area: C0618 Weld County, Colorado, Southern Part Mapunit 27 HELDT SILTY CLAY, 1 TO 3 PERCENT SLOPES Component: HELDT %of Mapunit 85 Hydrologic Group C Frost Action: Low Corrosivity to Concrete: Low Corrosivity to Steel: High Depth in Fragments % Percentage passing sieve Liquid Plasticity Classification inches >10 3-10 #4 #10 #40 #200 Limit Index Unified AASHTO 0 7.1 0 0 0 0 100 100 100 100 I 95 100 90 95 45 70 I 15 35 ',. ML A-7 MH A-7 7.1 60 0 0 0 0 100 100 100 100 95 100 90 95 45 60 15 25 MH A-7 ML A-7 Mapunit 4 AQUOLLS AND AQUEPTS,FLOODED Tuesday,August 14,2001 Soil Survey information downloaded from National Soil Information System Page 1 of 4 (NASIS), USDA Natural Resources Conservation Service n n Component: AQUOLLS %of Mapunit 55 Hydrologic Group D Frost Action: High Corrosivity to Concrete: High Corrosivity to Steel: High Depth in Fragments % Percentage passing sieve Liquid Plasticity Classification inches >10 3-10 #4 #10 #40 #200 Limit Index Unified AASHTO 7.9 60 ! 0 0 0 0 80 100 75 100 50 90 20 80 20 40 5 20 SC A-6 SC-SM A-6 SC-SM A-2 SC A-4 SC A-2 CL-ML A-4 CL-ML A-2 CL A-2 CL A-6 CL A-4 CL-ML A-6 SC-SM A-4 Component: AQUEPTS, FLOODED %of Mapunit 25 Hydrologic Group D Frost Action: High Corrosivity to Concrete: High Corrosivity to Steel: High Depth in Fragments % Percentage passing sieve Liquid Plasticity Classification inches >10 3-10 #4 #10 #40 #200 Limit Index Unified AASHTO 7.9 60 0 0 I 0 0 I 80 100 ' 75 100 50 90 20 80 20 40 5 20 CL A-4 SC A-6 SC A-4 SC A-2 CL-ML ! A-6 CL-ML A-4 CL A-6 CL A-2 SC-SM A-4 SC-SM A-6 CL-ML A-2 SC-SM A-2 Tuesday,August 14,2001 Soil Survey information downloaded from National Soil Information System Page 2 of 4 (NASIS),USDA Natural Resources Conservation Service n Mapunit 42 NUNN CLAY LOAM, 1 TO 3 PERCENT SLOPES Component: NUNN % of Mapunit 85 Hydrologic Group C Frost Action: Moderate Corrosivity to Concrete: Low Corrosivity to Steel: High Depth in Fragments % Percentage passing sieve Liquid Plasticity Classification inches >10 3-10 #4 #10 #40 #200 Limit Index Unified AASHTO 0 9.1 0 0 0 0 iii 100 100 100 100 90 100 70 80 30 40 10 20 CL A-6 9.1 29 j 0 0 0 5 95 100 90 100 85 95 65 75 40 60 25 40 CH A-7 CL A-7 29 60 0 0 0 5 80 100 75 100 50 80 25 50 15 25 0 10 SC-SM A-4 SM A-2 SC-SM A-2 SC A-4 SC A-2 "-^ SM A-4 Mapunit 65 THEDALUND LOAM, 3 TO 9 PERCENT SLOPES Component: THEDALUND % of Mapunit 80 Hydrologic Group C Frost Action: Low Corrosivity to Concrete: Low Corrosivity to Steel: High Depth in Fragments % Percentage passing sieve Liquid Plasticity Classification inches >10 3-10 #4 #10 #40 #200 Limit Index Unified AASHTO 0 7.9 0 0 0 0 I 100 100 100 100 85 95 60 75 25 30 5 10 CL A-4 CL-ML A-4 Tuesday,August 14,2001 Soil Survey information downloaded from National Soil Information System Page 3 of 4 (NAS15),USDA Natural Resources Conservation Service 7.9 29 0 0 0 5 80 100 75 100 70 95 40 80 25 35 5 15 ! ! CL ' A-4 !, 11 SC A-6 SC-SM A-6 SC-SM A-4 SC A-4 CL-ML A-6 CL A-6 CL-ML A-4 Mapunit 83 WILEY-COLBY COMPLEX, 3 TO 5 PERCENT SLOPES Component: WILEY %of Mapunit 55 Hydrologic Group B Frost Action: Low Corrosivity to Concrete: Low Corrosivity to Steel: High Depth in Fragments % Percentage passing sieve Liquid Plasticity Classification inches >10 3-10 #4 #10 #40 #200 Limit Index Unified AASHTO 0 11 0 0 ! 0 0 100 100 100 100 90 100 ! 70 90 30 35 5 10 ML I A-4 11 60 0 0 0 0 ! 100 100 100 100 90 100 70 95 25 35 10 20 CL A-6 60 64 0 0 0 0 100 100 100 100 90 100 80 95 30 45 5 15 ML A-4 !. !, ML ! A-6 Component: COLBY %of Mapunit 30 Hydrologic Group B Frost Action: Low Corrosivity to Concrete: Low Corrosivity to Steel: Low Depth in Fragments % Percentage passing sieve Liquid Plasticity Classification inches >10 3-10 #4 #10 #40 #200 Limit Index Unified AASHTO 0 7.1 0 0 �� 0 0 I 100 100 100 100 85 95 60 75 25 30 I 5 10 CL A-4 CL-ML A-4 7.1 60 ' 0 0 I 0 0 I 100 100 100 100 . 90 100 80 90 30 35 5 10 ML A-4 Tuesday,August 14,2001 Soil Survey information downloaded from National Soil Information System Page 4 of 4 (NASIS),USDA Natural Resources Conservation Service Hello