Page 1
Soil Description and Interpretation:Soil Description and Interpretation:Soils of the Former Cedar Brook Poled Hereford FarmSoils of the Former Cedar Brook Poled Hereford Farm
Kitsap County, WashingtonKitsap County, Washington
Daniel L. IrickEnvironmental Pedology
Spring 2008
Page 2
Site Location
Kitsap County, WAWest of SeattleNorthwest of Tacoma
April 21, 2023 D. Irick
N
Page 3
Soil Survey Soil Survey Approximate Site Boundary (30 acres)
15 – Harstine gravelly sandy loam, 6 to 15 percent slopes
18 – Indianola loamy sand, 0 to 6 percent slopes
35 – Nielton gravelly loamy sand, 3 to 15 percent slopes
37 – Norma fine sandy loam
April 21, 2023 D. Irick
N
Page 4
Soil 1 – Test Pit Location
April 21, 2023 D. Irick
Soil 1
Soil 1
Page 5
Soil 1 - MorphologySoil 1 - MorphologyHorizonsOi – Approximately three centimeters (cm),
duff layer (needles, twigs and moss)A – three to 10.2 cm, gravelly loamy sand,
10YR 3/3 (dark brown), weak, single grain, very friable, clear boundary
Bw1 – 10.2 to 30 cm, gravelly loamy sand, 10YR 4/3 (brown), structure less, single grain, loose, clear boundary
Bw2 – 30 to 52.5 cm, very gravelly sand, 7.5YR 3/4 (dark brown), structure less, single grain, loose, diffuse boundary
Cd – 52.5 to 165 cm, very gravelly sand, 2.5Y 5/3(light olive brown), structure less, single grain, loose, diffuse boundary
April 21, 2023 D. Irick
Page 6
Soil 1 – Properties and InterpretationsSoil 1 – Properties and Interpretations
April 21, 2023 D. Irick
Infiltration Rate – HighHydraulic Conductivity – HighAvailable Water – Very Low (<7.5 cm)Soil Wetness Class – >150 cm
Soil Interpretations (Limitations): Dwellings with Basements – SlightSeptic Tank Absorption Fields – ModerateLocal Roads and Streets – Slight
A(3-10.2 cm)
Bw1(10.2-30 cm)
Bw2(30-52.5 cm)
Cd(52.5-165 cm)
Page 7
Soil 1 – Site CharacteristicsSoil 1 – Site Characteristics
April 21, 2023 D. Irick
Position of Site – UplandParent Material – Glacial OutwashSoil Slope – Gently Sloping (2 – 6 %)Surface Runoff – SlowErosion Potential – Low
Page 8
Soil 1 – ClassificationSoil 1 – Classification
April 21, 2023 D. Irick
Order – InceptisolEpipedon – OchricSubsurface Horizon – Duripan
Page 9
Soil 2 – Test Pit Location
April 21, 2023 D. Irick
Soil 2
Soil 2
Approximate Wetland Boundary
Upland Wetland
Page 10
Soil 2 - MorphologySoil 2 - MorphologyHorizonsAp – 0 to 25.4 cm, fine sandy loam, 7.5YR 2.5/2
(very dark brown), moderate, granular, friable, clear boundary
Bw1 – 25.4 to 53.3 cm, loamy sand, 7.5YR 3/4 (dark brown), structureless, massive, very friable, diffuse boundary
Bw2 – 53.3 to 66 cm, gravelly loamy sand, 7.5YR 4/3 (brown), structureless, single grain, loose, diffuse boundary
C – 66 to 86.3 cm, gravelly sand, 10YR 4/2(dark grayish brown), structureless, single grain, loose, diffuse boundary
April 21, 2023 D. Irick
Page 11
Soil 2 – Morphology (cont.)Soil 2 – Morphology (cont.)HorizonsCg1 – 86.3 to 121.9 cm, gravelly sand, 10YR 5/2
(grayish brown), with common faint redox concentrations 7.5YR 5/6 (strong brown), structureless, single grain, loose, diffuse boundary
Cg2 – 121.9 to 167.6 cm, very gravelly sand, 10YR 4/2 (dark grayish brown), structureless,
single grain, loose
*Free Water Observed Entering the Test Pit at Approximately 160 cm
April 21, 2023 D. Irick
Page 12
Soil 2 – Properties and InterpretationsSoil 2 – Properties and Interpretations
April 21, 2023 D. Irick
Infiltration Rate – ModerateHydraulic Conductivity – HighAvailable Water – Very Low (<7.5 cm)Soil Wetness Class – Class 2 (>100 cm and <150 cm)
Soil Interpretations (Limitations): Dwellings with Basements – SlightSeptic Tank Absorption Fields – ModerateLocal Roads and Streets – Slight
Ap(0-25.4 cm)
Bw1(25.4-53.3 cm)
Bw2(53.3-66 cm)
C(66-86.3 cm)
Cg1(86.3-121.9 cm)
Cg2(121.9-167.6 cm)
Page 13
Soil 2 – Site CharacteristicsSoil 2 – Site Characteristics
April 21, 2023 D. Irick
Position of Site – DrainagewayParent Material – Glacial AlluviumSoil Slope – Gently Sloping (2 – 6 %)Surface Runoff – Very SlowErosion Potential – Low
Page 14
Soil 2 – ClassificationSoil 2 – Classification
April 21, 2023 D. Irick
Order – InceptisolEpipedon – Mollic or UmbricSubsurface Horizon – None
Page 15
Former Cedar Brook FarmFormer Cedar Brook Farm
April 21, 2023 D. Irick
Land Use:Nielton Soils – Woodland, Urban
Development, and Occasionally Pasture
Norma Soils – Woodland, Pastures, and Wildlife Habitat
Cedar Brook Poled Hereford Farm • Former Hereford Cattle Farm• Current Land Use - Residential
Page 16
Thanks!Questions-Comments-Discussion
Special Thanks to the Callaghan Family!April 21, 2023 D. Irick