Indexes

Vulnerability classes

Vulnerability related to PEM availability

Vulnerability related to Water for uses

Vulnerability related to PEM water quality.

Low or zero

$I_p$ ≤ 300

$I_u$ ≥ 100%

$I_q$ ≤ 25%

Medium

300 < $I_p$ ≤ 600

75% < $I_u$ ≤ 100%

25% < $I_q$ ≤ 50%

High

600 < $I_p$ ≤ 900

50%< $I_u$ ≤ 75%

50% < $I_q$ ≤ 75%

Very high

$I_p$ ≥ 901

$I_u$ ≤ 50%

$I_q$ > 75%