Hydrogeology and well location
Hydrogeology of the coastal plain stretching from Sigli in the west to Bireuen in the east (source: Hydrogeological Map of Indonesia, scale 1:250,000). Selected legend: red dots / numbers: locations of wells; orange hatching: areas suffering from seawater intrusion; blue areas: moderately productive multi-layer aquifers, wells yield generally less than 5 l/s, piezometric head near or above surface; brown areas: regions without exploitable groundwater
Source: Directorate Geology of Indonesia, modified by BGR