Anti-seepage water conservancy structure

The utility model discloses an anti-seepage water conservancy structure which comprises a concave part, a protruding part is arranged in the center of the bottom of the concave part, a first extending part and a second extending part are arranged on the left side and the right side of the top of the concave part respectively, one end of the first extending part is fixedly connected with a first connecting part, and the other end of the first extending part is fixedly connected with a second connecting part. One end of the first extending part is fixedly connected with a first connecting part, one end of the second extending part is fixedly connected with a second connecting part, the inner wall of the first connecting part is matched with the outer surface of the second connecting part, a T-shaped groove is formed in one side of the first connecting part, a groove is formed in one side of the T-shaped groove, a T-shaped block is arranged at one end of the second connecting part, and a protruding block is arra