Integrated water treatment plant

The invention discloses an integrated water treatment plant. The integrated water treatment plant comprises a concrete base layer, a comprehensive room arranged on the concrete base layer, at least one water treatment reaction tank arranged on the concrete base layer and connected with the comprehensive room, and corridors arranged at the tops of the water treatment reaction tanks. The comprehensive room comprises a hall, a stair structure communicating with the hall and first communicating doors communicating with the stair structure. The first communicating doors communicate with the corridors. Workers can walk out from the first communicating doors of the comprehensive room, arrive at the corridors at the tops of the water treatment reaction tanks and arrive at the positions corresponding to the water treatment reaction tanks to achieve observation or operation. And after observation or related operation is completed, the workers can return to the first communicating doors along thecorridors and then retur