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San Juan, PR, Hydric Soils List

Updated July 07, 2008

Map symbol and map unit name Component Percent of map unit Landform Hydric rating Hydric criteria
AmB:
Almirante clay, 2 to 5 percent slopes 		Bajura 2 Depressions Yes 2B3
Ba:
Bajura clay 		Bajura 100 Flood plains Yes 2B3
Ce:
Candelero loam 		Cayagua 15 Hillslopes Yes 2B3
Cn:
Catano loamy sand 		Reparada 5 Coastal plains Yes 2B3, 4
Co:
Cayagua sandy loam 		Cayagua 100 Hillslopes Yes 2B3
Cs:
Coloso silty clay loam 		Bajura 7 Flood plains Yes 2B3
CzC:
Corozal clay, 5 to 12 percent slopes 		Bajura 5 Flood plains Yes 2B3
Dm:
Dique loam 		Bajura 2 Flood plains Yes 2B3
Dr:
Durados sandy loam 		Reparada 2 Coastal plains Yes 2B3, 4
Hy:
Hydraquents, saline 		Hydraquents 100 Tidal flats Yes 2B3, 3, 4
MaA:
Mabi clay, 0 to 2 percent slopes 		Bajura 4 Flood plains Yes 2B3
MaB:
Mabi clay, 2 to 5 percent slopes 		Bajura 3 Flood plains Yes 2B3
MaC:
Mabi clay, 5 to 12 percent slopes 		Bajura 2 Flood plains Yes 2B3
Mp:
Martin Pena muck 		Martin Pena 100 Depressions, Flood plains Yes 2B3, 4
MtB:
Montegrande clay, 2 to 5 percent slopes 		Bajura 2 Depressions Yes 2B3
MtC:
Montegrande clay, 5 to 12 percent slopes		 Bajura 2 Depressions Yes 2B3
Re:
Reilly sandy loam 		Bajura 5 Flood plains Yes 2B3
ScB:
Sabana Seca clay, 2 to 8 percent slopes 		Bajura 5 Depressions Yes 2B3
Sm:
Saladar muck 		Saladar 100 Depressions, Marshes Yes 1, 4
To:
Toa silty clay loam 		Bajura 5 Flood plains Yes 2B3
VaB:
Vega Alta clay loam, 2 to 5 percent slopes 		Bajura 2 Flood plains Yes 2B3
VaC2:
Vega Alta clay loam, 5 to 12 percent slopes, eroded		 Bajura 2 Flood plains Yes 2B3
Vg:
Vega Baja silty clay 		Bajura 4 Flood plains Yes 2B3
Vv:
Vivi loam 		Bajura 2 Flood plains Yes 2B3
Explanation of hydric criteria codes:
  1. All Histels except for Folistels, and Histosols except for Folists.
  2. Soils in Aquic suborders, great groups, or subgroups, Albolls suborder, Historthels great group, Histoturbels great group, Pachic subgroups, or Cumulic subgroups that:
  1. are somewhat poorly drained and have a water table at the surface (0.0 feet) during the growing season, or
  2. are poorly drained or very poorly drained and have either:
  1. a water table at the surface (0.0 feet) during the growing season if textures are coarse sand, sand, or fine sand in all layers within a depth of 20 inches, or
  2. a water table at a depth of 0.5 foot or less during the growing season if permeability is equal to or greater than 6.0 in/hr in all layers within a depth of 20 inches, or
  3. a water table at a depth of 1.0 foot or less during the growing season if permeability is less than 6.0 in/hr in any layer within a depth of 20 inches.
  1. Soils that are frequently ponded for long or very long duration during the growing season.
  2. Soils that are frequently flooded for long or very long duration during the growing season.

For additional information on Caribbean Area Soils, please contact: Carmen L. Santiago

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