PLYMOUTH COUNTY, MASSACHUSETTS SOIL SURVEY UPDATE

Plymouth Soils: Very deep, excessively drained soil formed in ice contact glacial outwash or loose sandy till. Plymouth soils are on undulating outwash plains, moraines, heads of outwash, and on low lying hills within areas of glacial lake deposits and ground moraine.

Link to Official Series Description
Plymouth Pedon Description 2343801
Plymouth Pedon Description 2343501
Plymouth Pedon Description 2347805
 

Map Unit (s): 435A,B,C,E, 436B,C,E, 437B,C,E, 438B,C,E.
Map Phases:

  • 435A Plymouth loamy coarse sand, 0 to 3 % slopes.
    435B Plymouth loamy coarse sand, 3 to 8 % slopes.
    435C Plymouth loamy coarse sand, 8 to 15 % slopes.
    435E Plymouth loamy coarse sand, 15 to 35 % slopes.
    436B Plymouth loamy coarse sand, 3 to 8 % slopes, very stony.
    436C Plymouth loamy coarse sand, 8 to 15 % slopes, very stony.
    436E Plymouth loamy coarse sand, 15 to 35 % slopes, very stony.
    437B Plymouth loamy coarse sand, 3 to 8 % slopes, bouldery.
    437C Plymouth loamy coarse sand, 8 to 15 % slopes, bouldery.
    437E Plymouth loamy coarse sand, 15 to 35 % slopes, bouldery.
    438B Plymouth loamy coarse sand, 3 to 8 % slopes, extremely bouldery.
    438C Plymouth loamy coarse sand, 8 to 15 % slopes, extremely bouldery.
    438E Plymouth loamy coarse sand, 15 to 35 % slopes, extremely bouldery.
    •

    Taxonomic Classification: Mesic, coated Typic Quartzipsamments
    Drainage Class: Excessively drained.
    Parent Material: Mixed loose sandy till and ice contact outwash.
    Permeability: Rapid in the solum and rapid to very rapid in the substratum.
    Available Water Holding Capacity: Low.
    Soil Reaction: Extremely acid through strongly acid throughout
    Depth to Bedrock: Greater than 65 inches.
    Seasonal High Watertable: Greater than 6 feet.
    Hydrologic Group: A.
    Hydric Soil: No.
    Flooding/Ponding Potential: Frequency and Type: None
    Duration and Months: None
    Potential Inclusions: Excessively drained Gloucester and Carver soils are similar inclusions. Well drained Barnstable, Merrimac and Canton soils are on concave and level slopes. Moderately well drained Sudbury and Newfields soils are on lower elevations.

    Soil Suitability:

    Agriculture: Poorly suited for most agricultural uses due to droughtyness and low fertility, irrigation is needed for optimal yields.

    Woodland: Poorly suited to woodland productivity due to droughtyness.

    Development: Well suited for development, major limitations related large stones and boulders which may hinder small excavation equipment.

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