The water crisis is one of the international challenges, and many countries, especially developing countries, are facing problems in providing clean and healthy water, collecting and disposing of sanitary wastewater, and controlling floods. So, the following issues are very important and are studied and designed in this department:

• Climate changes
• Limitation of available water
• Drought
• Renewable water
• Water governance
• Dams
• Rivers and watersheds
• Transboundary waters
• Hydropolitics
• Tunnels and water transfer between basins
• Lakes and ponds
• Balance of water resources
• Plains and reservoirs
• Distribution of clean and healthy water
• Disposal of waste and sewage
• Water and wastewater treatment
• Water recycling
• Desalination
• Economy of water and energy

Ray-Ab, as a leading consulting engineer, has many experienced managers and experts in its department of study, which has made symbolically this department as an academy actually. The department of Studies consists of the following four groups:

• Group of Studies in Water projects
• Group of Studies in Wastewater projects
• Group of Studies in Stormwater projects
• Group of Studies in common scopes of projects