Kuwait's fresh water resources are limited to groundwater, desalinated seawater, and treated wastewater effluents. In Oman, production of desalinated water was interrupted, as both of Oman's desalination plants failed. There is a desalination unit which provides desalinated water to the islanders. The treatment plant captures water from brackish streams which is desalinated using reverse osmosis. They later found probable iodine deficiency disorders in a population reliant on desalinated seawater. This price was still much lower than the cost of desalinated seawater or of NEWater. Saltwater is desalinated to produce water suitable for human consumption or irrigation. When seasonal conditions warm, naturally desalinated melt water is recovered. Saudi Arabia is the largest producer of desalinated water in the world. Increasingly urban areas call for more desalinated water and a growing water sector. In 2019, SWCC hit Guinness World Record as the largest producer of desalinated water worldwide. System analysis indicates that a 2-megawatt plant could produce about of desalinated water each day. Shortly after World War II vast swaths of salt marshes were desalinated. The new price proposed by Malaysia was close to the price of desalinated water. Combining this with desalinated sand from San Simeon Bay produced concrete of exceptionally high quality.