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