Water is the cause of life and prosperity. Decade of water shortage is regarded as a concern by UN that important part of the world including Asia and our country is facing that. Due to lack of access to clean water, drought, declining water aquifer, salt water intrusion into fresh water resources and water quality changes, endangered public health, biodiversity, wildlife and water resources management are the challenges that the world is facing in the future, and in the absence of timely and adequate preparing and response it becomes a disaster. Approaches to fight this potential future crisis are modifying water use practices, management of water resources, using rainfall, and water treatment plants and etc. One of the modern methods of water treatment that has attracted much attention in recent years has been water filtering through the porous concrete. Porous concrete is a special type of concrete which water can easily pass through because of its high permeability to water. Porous concrete sidewalks can be used in the pavement, which prevent accumulation of rain water and help water return to aquifers- underground. One of the disadvantages of this kind of concrete is its low resistance which is solved by adding appropriate additives. However this adding should supply enough permeability. In this study after determining the mix pattern, contributing factors and their ratios, Design Expert software was used to evaluate and optimize the mix pattern. The study was conducted in an orthogonal and array‌ L9 (3^4) was selected. The number 4 is the number of factors in the design and 3 specifies the number of levels. Variable factors in the designs are, factor a water-cement ratio (w/c), factor B percentage of Polypropylene Fiber (PP), Factor C Silica Fume (FS) and factor D superplasticizer (SP) each of these has three levels. Based on previous studies , this levels was considered , water-cement ratio of 0.25, 0.3 and 0.35, percentage of 0.5, 1 and 1.5, silica fume percentage of 5 , 10 and, 15 and superplasticizer percentage of 0.5, 1 and 1.5 . After entering the data into the software, arrangement of mix patterns used in the study was determined by this, and further concrete examples were made based on this information. After a physical examination and analysis of the samples was using Design Expert software, we found that the results are consistent with previous studies. Maximum resistance of the water to cement ratio of 0.3 is obtained. The factors affecting the permeability of 7 days and 28 days are not the same. In general it is Observed with water-cement ratio of 0.35, polypropylene fibers percentage of 0.5 Microsilica percentage of 15 percent and super plasticizer percentage of 1 concrete specimen is made ??that all of its parameters are acceptable. Due to the results we conclude that the Design Expert software for making this particular type of concrete is appropriate and responsive. Keywords : water, porous concrete, mix design, software Design Expert, optimization, physical properties