Agriculture plays a vital role in the Indian economy. As per the 2011 Census, 54.6% of the workforce is engaged in agriculture and its allied sectors. Out of the total geographical area of Indian land, nearby 64.29% land is under cultivation. Out of gross crop land, 37% of land is irrigated, and 63% of land is dependent on rainfed. The farmers use submersible pumps or water pumps on daily bases to irrigate their crops. The farmers require a daily and continuous basis three-phase electric power supply to run their submersible pump or water pump. To irrigate the land, farmers got power supply at any time during the 24 h of the day. Farmers always face a lot of difficulty in irrigation management for the sown crop due to irregularity of power supply timing. To address this problem, we propose an IoT-enabled cost-effective water pump monitoring system for crop irrigation. The prototype model utilizes IoT ecosystem. The proposed research will monitor the water pump/submersible pump working status based on the power supply. Once the pump gets power supply, the proposed architecture will inform the farmer about the pump working status that means irrigation is started for sown crops. By knowing about the said intimation, farmer can get the information about power status and can manage irrigation for the sown crop.