Water that generally is considered unsuitable for human consumption or for irrigation because of its high content of dissolved solids. Generally expressed as milligrams per liter (mg/L) of dissolved solids, with 35,000 mg/L defined as sea water, slightly saline is 1,000-3,000 mg/L, moderately saline is 3,000-10,000 mg/L, very saline is 10,000-35,000 mg/L, and brine has more than 35,000 mg/L [22].