Mr. Leghari has been a strong advocate for the water issue and trying to raise awareness of the imminent water crisis Pakistan is facing. From his earlier days in the Provincial Assembly of Punjab or in the Senate of Pakistan, he has been a strong voice on water issues. He has represented Pakistan at World Water Forum and the 2016 United Nations Climate Change Conference. He has been instrumental in raising awareness about unfettered groundwater exploitation and counts promulgation of Punjab's first-ever Water Act. as a milestone in addressing a fundamental issue that had been ignored since decades. Soon after taking office as Minister for Irrigation, Leghari launched a major campaign to root out the persistent problem of water theft in the province. The campaign was widely hailed successful as a large number of water theft cases were reported to the police and canals located at the tail-end of the irrigation system in the south-Punjab started receiving irrigation supplies after several years.