GROUND WATER ATLAS of the UNITED STATES
Alaska, Hawaii, Puerto Rico and the U. S. Virgin Islands
HA 730-N
Puerto Rico and the U. S. Virgin Islands Alluvial valley aquifers
(figures 80-86)
Introduction (Click to view thumbnails
and download figures)
- Figure 80 Map showing the
location of the alluvial valley aquifers in Puerto Rico
General Setting (Click to view thumbnails
and download figures)
- Figure 81 Map showing the
Humacao-Naguabo alluvial valley aquifer in Puerto Rico
Geology
Hydrology (Click to view thumbnails
and download figures)
- Figure 82
Map showing water table contours and direction of ground-water
movement in the alluvial valley aquifer in Puerto Rico
- Table 5 Table showing
streamflow measurements in the Rio Humacao
- Figure 83
Graph showing altitude of river stage and water table in adjacent
well near Rio Blanco
- Figure 84
Diagram showing direction of ground-water movement in the freshwater-saltwater
interface in the Rio Humacao Valley
Hydraulic Properties
Ground-Water Quality (Click to view thumbnails
and download figures)
- Table 6
Table showing the chemical constituents in ground water from
the Humacao-Naguabo area
- Figure 85
Map showing chloride concentration levels in water from the Humacao-Naguabo
aquifer system
- Figure 86
Pie chart showing use of fresh ground-water withdrawals from
the alluvial valley aquifer in the Humacao-Naguabo area