Patiala, Dec. 8 -- Punjab's groundwater has the highest uranium concentration in the country, according to the Central Ground Water Board's Annual Groundwater Quality Report 2025, raising serious concerns about water safety. The findings are based on 3,754 groundwater samples collected nationwide during the pre- and post-monsoon seasons of 2024. Punjab remains the worst-affected state, with uranium levels above permissible limits in 53.04% of samples before the monsoon, rising further to 62.5% after it, well beyond the World Health Organization and Bureau of Indian Standards limit of 30 parts per billion (ppb). The sharp year-on-year escalation makes the situation more alarming. The proportion of samples breaching the safe limit has jumped from 32.6% in the 2024 report to 62.5% this year, P2...