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Ponce, PR, Hydric Soils List

Updated July 02, 2008

Map Symbol and map unit name Component Percent of map unit Landform Hydric rating Hydric criteria
Cr:
Cintrona clay 		Machuelo 5 Flood plains Yes 3
Ct:
Constancia silty clay 		Machuelo 5 Flood plains Yes 3
Cx:
Cortada silty clay loam 		Machuelo 2 Flood plains Yes 3
CyB:
Cuyon loam, 0 to 5 percent slopes 		Machuelo 5 Flood plains Yes 3
Fe:
Fe clay 		Aguirre 5 Depressions Yes 2A, 3
FtB:
Fraternidad clay, 2 to 5 percent slopes 		Aguirre 3 Depressions Yes 2A, 3
FtC2:
Fraternidad clay, 5 to 12 percent slopes, eroded 		Aguirre 2 Depressions Yes 2A, 3
Hy:
Hydraquents 		Hydraquents 100 Flood plains Yes 2B3, 3, 4
Hz:
Hydraquents, saline 		Hydraquents 100 Tidal flats Yes 2B3, 3, 4
Jg:
Jacaguas silty clay loam 		Machuelo 5 Flood plains Yes 3
Ma:
Machuelo clay 		Machuelo 100 Flood plains Yes 3
Mr:
Meros sand 		Hydraquents 6 Beaches Yes 2B3, 3, 4
PaB:
Paso Seco clay, 2 to 5 percent slopes 		Aguirre 3 Depressions Yes 2A, 3
Re:
Reilly gravelly loam 		Bajura 5 Flood plains Yes 2B3
Rw:
Riverwash 		Hydraquents 20 Flood plains Yes 2B3, 3, 4
Sa:
San Anton clay loam		 Vayas 3 Flood plains Yes 4
Se:
Serrano sand 		Vayas 10 Flood plains Yes 4
Te:
Teresa clay 		Tidal flats 10 Tidal flats Yes 2B3
Tf:
Tidal flats 		Tidal flats 95 Tidal flats Yes 2B3
  Tidal swamp 5 Tidal marshes Yes 2B3, 3, 4
To:
Toa silty clay loam 		Bajura 5 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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