The Water (Prevention and Control of Pollution) Act 1974 is enacted by the Indian Government to maintain wholesomeness of aquatic resources to maintain the water resource clean. The act defined the amount of function of the pollution control board in states as level and CPCB at national level for eliminating and regulating the contamination, this legislation aims to protect and recover the healthy condition of the nation water resources. The level of purity which has to be maintained or recovered in entire country's different bodies of water is not defined in Acts provisions. Through this effort describe the health in respect to preserving human utilization. The CPCB utilize the private consumption of the water and its starting point to determine standard quality of water bodies throughout the country. The task of preserving and restoring all water related basin back to its original state. Implementing the pollution mitigation operations to achieve this type of goal is going to hamper economic activities or prohibitively costly. The objectives is to recover and maintain the natural bodies of water or with their best utilization knowing that they have to be employed in a range of opposing or contending goals. Main functions of the Central Pollution Control Board: Is to suggest Central Government on the matters related to the restoration and maintaining the wholesomeness of water resources and the prevention, control and abatement of water pollution, To make planning and cause to be executed a nation-wide program for the protecting, monitoring and abatement of water pollution, to give technical training and guide to the local Pollution Control Board, is to hold and sponsor inventing and researching related to protection, control and policy of water pollution, To collect, compile and publish technical and statistical data related to water pollution and to lay down and annul standards for the quality of water in streams and wells. To perform the above functions, CPCB needs continuous monitoring of water quality of aquatic resources in the country. CPCB has established a network of water quality monitoring to fulfill the following objectives ().