The benefits of the project Kwai Noi
1. Water delivery to the cultivation in the rainy season and the dry season to irrigation areas Kwai Noi. And send extra water cultivation in dry season of irrigation project of Chao Phraya
2. Water delivery to the consumer.
3. alleviate the flood damage in the area. Phitsanulok province and in the River Kwai lower
4. As a breeding freshwater and be a tourist attraction of Phitsanulok.