Aquifer

TDS (mg/l) at wells

percent of 30% to 50%

TDS (mg/l) at wells

percent of 50% to 90%

Wells percent at TDS < 1000 (mg/l)

Ga’ra Aquifer. D1

6000 - 2500

2500-280

<30%

Mullusi Aquifer. D2

1600 - 1000

1000-460

<50%

Hartha Aquifer. D3

1400 - 800

800-130

<40%

Digma-Tayarat Aquifer. D4

2100 - 1800

1800-1000

<10%

Muhaywir-Ubaid Aquifer. D5

/-600

600-/

<50%

Ubaid-Mullusi Aquifer. D6

1700 - 1000

1000-400

<50%

Rattga-Digma-Tayarat Aquifer. D7

800 - 680

680-400

<85%

Digma-Tayarat. D8

2600 - 1700

1700-650

<30%