
1512 Draw down test

1513 Dug wells

1514 Bored wells

1515 Drilled wells

1516 Casings for drilled wells

1517 Well pits

1518 Static head

1519 Well location

1520 Deep wells and shallow wells

1521 Foot valve | 1522 Types of pumps

1523 Centrifugal pump

1524 Shallow well with single line jet pump

1525 Two line jet pump

1526 Piston pump

1527 Drilled well with submersible pump

1528 Pressure tank components and pump controls

1529 Bladder-type pressure tank

1530 Waterlogged pressure tank - short-cycling |