Water quality standard for pits and ponds of environmental protection bureau

Land below the normal water level of pits and ponds with artificial excavation or natural water storage capacity less than 654.38+10,000 cubic meters (excluding aquaculture water surface).

There are three kinds of pits: natural pits, artificial pits and semi-artificial pits. It belongs to agricultural land, not basic farmland.

Agricultural land is also called agricultural land. Refers to the land directly or indirectly used for agricultural production. Including cultivated land, garden, woodland, grassland, water surface, land for irrigation and water conservancy facilities (such as reservoirs, dams, dikes, irrigation and drainage ditches, etc.). ), and the land occupied by field roads and all other agricultural productive buildings.