Map Unit Composition
Map units consist of 1 or more soil types, commonly referred to as "components".
Component Name Geomorphic Position Area Fraction Component Type Horizon Data
Soil Type 1 Onawa stream terraces 85% Major Soil Type YES
Soil Type 2 Onawa flood plains 3% Inclusion YES
Soil Type 3 Onawa flood plains 3% Inclusion YES
Soil Type 4 Levasy stream terraces 3% Inclusion YES

Note: links to horizon data marked with an * are approximate.


Map Unit Data What is a Map Unit?
Cartographic information about this map unit.
Map Unit Name: Onawa silty clay, 0 to 2 percent slopes, rarely flooded
Map Unit Type: Consociation
Map Unit Symbol: 13568
Map Unit Area: 9102 acres total in survey area
Raw Map Unit Data
Raw Component Data (All Components)

Map Unit Aggregated Data
Generalized soils information within this map unit.
Farmland Class: All areas are prime farmland
Available Water Storage (0-100cm): 16.63 cm
Max Flood Freq: Rare
Drainage Class (Dominant Condition): Somewhat poorly drained
Drainage Class (Wettest Component): Somewhat poorly drained
Hydric Conditions: 6
[Annual] Min. Water Table Depth: 92 cm
[April-June] Min. Water Table Depth: 92 cm
Min Bedrock Depth: n/a
Raw Aggregated Map Unit Data

Associated Point Data
Links to any NSSL point data within this map unit.