Groundwater quality in the shallow and deep aquifer systems, particularly in the Bajada region, ranges from 600 to 2000 parts per million (ppm). Household water quality is considered one of the best in the world, reaching 96%

Irrigated agriculture is the primary water consumer, with an average of around 60% of total water use, where 39% is used for productive agriculture, 11% used for greening and landscaping and 10% for forestry.

Some researchers claim that in about 5,000-4,000 BC, the marshlands were covered by a lagoonal marine environment, likely having brackish waters

Since the marshes are located at the tail end of the Tigris-Euphrates watershed, water storage and control projects are the main projects impacting on the wetlands.

For many years, negotiations between Turkey and Syria over the Orontes or Asi River were linked to issues concerning the Euphrates and Tigris rivers shared between Turkey, Syria and Iraq, and progress of the former was dependent on progress of the latter

The length of the river is open to discussion. Depending on the source consulted, this ranges from 248km to 556km. Rainfall in the basin is about 644mm annually. The average temperature is around 16°C. The climate is semi-arid to arid in Lebanon, with annual rainfall of about 400mm

The annual amount of water used in Syria is about 15BCM. This comes from the Euphrates (50 per cent) and the Asi River basins (20 per cent). Of the water usage from the Asi River, 2,230MCM are used for irrigation, 320MCM for domestic purposes and 270MCM for industrial purposes. The total amount of water withdrawn from the Asi River is 2,730MCM

The foundation stone of the dam was laid on 6 February 2011. On completion, the dam is expected to be 22.50 m high, with a capacity of 110MCM. Of that, 40MCM will be used for flood prevention and the rest for energy production, and irrigation (around 9,000 hectares of agricultural land).

The rate of wastewater treatment is still low in many MENA countries, and reuse faces many challenges like; preference for freshwater over wastewater, inadequate information on the status of reuse and disposal of wastewater, and incomplete economic analysis of the wastewater treatment and reuse options

There are many benefits of wastewater reuse. The environmental benefits include reducing the pollution of water resources and sensitive receiving bodies, and controlling saline water intrusion through groundwater recharge. Wastewater reuse also presents economic value by providing significant additional amounts of water and contributing to the conservation of freshwater resources. Additionally, it provides nutrient-rich water for irrigation and reduces the need for chemical fertilizers.