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: : Hydrogeology : :


This Hydrogeological Map of Panama is the result of the compilation of exhaustive information that has been interpreted and summarized in a map in its first edition at scale 1:1,000,000, with the purpose of showing some hydrologic characteristics of the different geological formations of Panama. The map offers a general and summarized vision of the hydric underground resources in the country.


Mapa Hidrogeología

The objective of this map, in the regional context, is to contribute to the making of the Hydro-geologic Chart of the Isthmus of Central America and Mexico.

In the context of our national interests, the objectives of the elaboration of the Hydro-geologic Chart of Panama are:

To indicate, in a general manner, what are the main hydro-geologic characteristics of the country over a topographic and geological base.

To provide local information such as the location of wells and other engineering infrastructures that are related to the hydric resources.

To provide a minimum of provisional information while the maps at higher scale are being elaborated.

To begin the set up of a Hydro-Geological Data Base.


The interpretation of the geological formations allowed us to classify three main aquiferous types or groups, and ten (10) hydro-geological units of sub-terrain water occurrences. In the graphic, these main aquiferous groups are differentiated among themselves with specific colors and the hydro-geologic units are graphically differentiated with different wefts within the group that they belong to. For the use of colors and symbols we have followed the recommendations made by the International Captions for Hydro-Geological Maps, elaborated by the International Association of Hydro-geologists.

The main aquiferous groups are described, quite generally, in regards to the physical characteristics of the rocks that form them.

Indications are given in each hydro-geologic unit, regarding the qualitative characteristic, the permeability, and the average range of productivity of the inventoried wells expressed in flows (m3/h).

Considering the type of information shown and the scale used (1:1,000,000), the Hydro-Geologic Map of the Republic of Panama is the "hydro-geologic map for general comprehension" type for didactic-scientific purposes.

Even though this map has the inherent limitations of small scale maps, it contains updated hydro-geological cartography information which, when used as an initial tool for consulting and support, helps the organizations in charge of the administration of the water resources to make an initial balance of the current situation of the sub-terrain waters in the Republic of Panama.

Nota Explicativa Hidrogeológico

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