Coefficient of

Transmissivity

(m²/day)

Class of

Transmissivity

magnitude

Designation of

Transmissivity

magnitude

Groundwater supply

Potential

I

Very high

Withdrawals of great regional importance.

1000

II

High

Withdrawals of lesser regional importance.

100

III

Intermediate

Withdrawals for local water

Supply (small communities, Plants, etc.)

10

IV

Low

Withdrawals for local water Supply (private consumption)

1

V

Very Low

Withdrawals for local water Supply with limited consumption.

0.1

VI

Imperceptible

Sources for local water Supply are difficult (if possible) to ensure.