Research Article

Aquifer Vulnerability: Its Protection and Management—A Case Study in Pangkalpinang City, Indonesia

Table 11

Resume of DRASTIC processing.

WeightClassesRatingVES point no.

DDepth of groundwater51.5-4.5907 & 08
4.5-9.0701, 02, 03, 04, 05, & 06

RNet recharge4175-225805
225-254906
>2541001, 02, 03, 04, 07, & 08

AAquifer media3Weathered metamorphic401 & 07
Bedded sandstone602, 03, & 06
Sand and gravel804, 05, & 08

SSoil media2Silty clay loam401, 02, & 03
Sandy loam604, 05, 06, 07, & 08

TTopography10-21001 & 02
2-6903, 04, 07, & 08
6-12505 & 06

IImpact of vadose zone5Igneous/metamorphic401 & 07
Bedded sandstone602, 03, & 06
Sand and gravel804, 05, & 08

CHydraulic conductivity32.4-09 m/s101 & 07
1.2-07 m/s202, 03, & 06
1.1-05 m/s304, 05, & 08