IDENTIFIERS
Current Taxon Name (Soil Name):
SNOHOMISH
OSD
Series Extent
User Site ID:
S1974WA061008
User Pedon ID:
S1974WA061008
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
74C0049
NCSS Pedon Lab Data NASIS Record ID -
44810
Print Date:
12/7/2025
LOCATION
Location In Web Soil Survey
AOI is roughly a square mile and pedon is marked in the center.
Location in SoilWeb
Location in Google Maps
Std. Latitude:
47.9894447
Std. Longitude:
-122.1455536
Datum:
WGS84
Township:
29N
Range:
5E
Section:
22
PLSS Details:
1500 feet west and 1250 feet south of the NE corner
Location Description:
approximately 1 mile north of causeway on Ebbey Island.
State:
Washington
County:
WA061—Snohomish
Non-MLRA Soil Survey Area:
WA661—Snohomish County Area, Washington
PEDON
Describers Name:
Richards, Hartman, and Rasmussen
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
8
Sampled As Information:
Soil Name -
SNOHOMISH
PSC -
25 to 100 cm.
Classificaton Date -
6/13/1974
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Drainage Class:
poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/13/1974 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Setting and Climate
Slope
Slope Length USLE
Upslope Length
Elev.
Corr. Elev
Aspect
MAP
REAP
FFD
MAAT
MSAT
MWAT
MAST
MSST
MWST
MFFP
PE Index
Climate Station ID
Climate Station Name
Climate Station Type
%
m
degrees
mm
mm
C
mm
—
—
—
-3
—
889
—
—
10.6
—
—
—
—
—
—
—
—
—
—
AP—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; silt loam; moderate fine granular structure; slightly hard, friable, nonsticky, slightly plastic; 21.0 fine and medium roots; 21.0 fine and medium interstitial pores; fragments; very strongly acid, pH 5.0, unspecified; abrupt smooth boundary. Lab sample # 74C00346
B21G—15 to 36 centimeters (5.9 to 14.2 inches); gray (5Y 6/1), gray (5Y 6/1), dry; silty clay loam; pale olive (5Y 6/4) and reddish brown (5YR 4/4) and 21 percent dark olive gray (5Y 3/2) fine and medium prominent and 21 percent dark reddish brown (2.5YR 3/4) fine and medium prominent mottles; weak fine and medium subangular blocky parts to weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 fine and medium roots; 3.0 very fine tubular and 0.5 fine tubular pores; fragments; very strongly acid, pH 5.0, unspecified; clear wavy boundary. Lab sample # 74C00347
B22G—36 to 74 centimeters (14.2 to 29.1 inches); very dark grayish brown (2.5Y 3/2), light brownish gray (10YR 6/2), dry; silty clay loam; gray (N 6/0) and dark reddish brown (5YR 3/2) and very dark gray (10YR 3/1) and brown (7.5YR 4/4) and 21 percent black (10YR 2/1) fine distinct mottles; weak medium and coarse platy parts to weak fine subangular blocky structure; hard when dry, friable, slightly sticky, moderately plastic; 3.0 fine roots; 3.0 fine tubular pores; fragments; very strongly acid, pH 5.0, unspecified; clear smooth boundary. Lab sample # 74C00348
2OE1—74 to 91 centimeters (29.1 to 35.8 inches); weak medium platy structure; slightly hard, friable, nonsticky, slightly plastic; fragments; very strongly acid, pH 4.8, unspecified; abrupt smooth boundary. Lab sample # 74C00349. dark reddish brown (5YR 2/2) on broken face and rubbed, hemic material; about 65 percent fiber, about 20 percent after rubbing; 3 percent twigs and wood fragments
3LDI—91 to 94 centimeters (35.8 to 37.0 inches); gray (5Y 5/1), light gray (5Y 7/1), dry; silty clay loam; massive; hard when dry, friable, slightly sticky, moderately plastic; 0.1 fine tubular pores; fragments; strongly acid, pH 5.2, unspecified; abrupt smooth boundary. Lab sample # 74C00350
2OE2—94 to 111 centimeters (37.0 to 43.7 inches); massive; hard when dry, friable, nonsticky, slightly plastic; fragments; moderately acid, pH 5.8, unspecified; gradual smooth boundary. Lab sample # 74C00351. very dark grayish brown (10YR 3/2 on broken face and rubbed) hemic materials; about 50 percent fibers, 15 percent after rubbing; 2 percent twigs and wood fragments 1/4 to 1 inch in diameter
2OE3—111 to 152 centimeters (43.7 to 59.8 inches); massive; hard when dry, friable, nonsticky, slightly plastic; fragments; moderately acid, pH 6.0, unspecified. Lab sample # 74C00352. very dark gray (10Yr 3/1), very dark grayish brown (10YR 3/2) when rubbed, hemic materials, gray (10YR 6/1 on broken face and rubbed) when dry; about 60 percent fiber, about 20 percent when rubbed; 2 percent twigs and wood fragments 1/4 to 1 inch in diameter