PLYMOUTH COUNTY, MASSACHUSETTS SOIL SURVEY UPDATE

Brockton Soils: Very deep, nearly level, very poorly drained soil formed in dense glacial till. Brockton soils are in depressions and drainageways in upland areas and ice-contact deposits. Stones and boulders cover 3 to 15 percent of the surface.

Link to Official Series Description
Brockton Soil Interpretation Record (SOIL5)
Watertable Well Data
Brockton Laboratory Data S93-MA-023-002 (Sippican) | Pedon Description
Brockton Pedon Description 2307701 | Brockton Pedon Description 2304702

Map Unit (s): 047, 048
Map Phases:

Taxonomic Classification: Sandy, mixed, mesic, Typic Humaquepts.
Drainage Class: Very poorly drained.
Parent Material: Dense till.
Permeability: Moderately rapid in the solum, slow in the substratum.
Available Water Holding Capacity: Low.
Soil Reaction: Extremely acid to moderately acid throughout.
Depth to Bedrock: Greater than 65 inches.
Seasonal High Watertable: Depth: +1.0 to 0.5 feet below the surface.
Type: Perched.
Months: September to June.
Hydrologic Group: D.
Hydric Soil: Yes.
Flooding/Ponding Potential: Frequency and Type: Frequently ponded.
Duration and Months: Long, December to March.
Potential Inclusions: Whitman soils are a similar inclusion. Poorly drained Ridgebury, Norwell, and Mattapoisett soils are on higher elevations. Moderately well drained Scituate and Birchwood soils are on upland landscapes.

Soil Suitability:

Agriculture: Poorly suited for most agricultural uses mainly due to wetness.

Woodland: Poorly suited due to wetness.

Development: Poorly suited due to seasonal high watertables at or near the surface for prolong periods of time.

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