With some of the highest municipal water rates in Canada, a University of Regina (U of R) researcher says the city should start thinking about affordability programs for low-income families. “The international benchmarks tell us we should be in trouble now, because people who are living at the Statistics Canada low-income cut off are already paying more than the OECD (Organization for Economic Co-Operation and Development) says they should be paying,” Jim Warren said in an interview Thursday.