Sewage discharge monitoring device for river inlet discharge port

The utility model discloses a river inlet discharge port pollution discharge monitoring device which comprises a water retaining weir, and the water retaining weir is arranged in a first inspection well on the upstream of a river inlet discharge port and located on the lower portion of a pipeline in the inspection well. A water quality monitoring probe is fixedly connected to the end, away from the river inlet, of the water retaining weir, a liquid level switch is fixedly connected to the lowest point of the upper end face of the water retaining weir, the water quality monitoring probe, the liquid level switch and the power supply module are electrically connected with the remote measurement and control terminal, and the upper computer is in communication connection with the remote measurement and control terminal. According to the utility model, part of water flow can be intercepted through the water retaining weir to ensure that the water quality monitoring probe can effectively monitor the water quality, s