This paper presents the design of a new Flood Level Monitoring System and discusses its implementation. The paper also successfully verifies the reliability of the system with experimental results. The design objectives are fully achieved, the system is 99% efficient and the whole system can be setup with a very low cost. Moreover the alarm system was was dovetailed to the flood level monitoring system in order to further alert the neighbourhood at certain predetermined height. The alarm is activated by switching on a siren. This monitoring system is a faster and cheaper way of alarming the relevant stakeholders and hence help prevent the loss of lives and damage to properties.