Salinity of Water

Water salinity of fresh, brackish and sea water

Salinity is the saltiness or dissolved salt content of a body of water.

• 35 g dissolved salt / kg sea water = 35 ppt = 35 o/oo = 3.5% = 35,000 ppm

Salinity in Water

• drinking water - 100 ppm
• restriction on drinking water - 500 ppm
• limit drinking water - 1000 ppm
• limit agriculture irrigation - 2000 ppm
• brackish water - 500 - 30,000 ppm
• sea water - 30,000 - 50,000 ppm
• brine > 50.000 ppm

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