A new poll found that 62-percent of rural respondents favored tighter regulations on septic systems and 57-percent favored limiting the number of septic systems in rural areas. The poll of 801 registered voters by Opinion Works in mid-December found statewide support was 72-percent for tighter septic regulations, and 69-percent for limiting the number septic systems in the state. Rural respondents were surveyed in southern and western Maryland counties, as well as the Eastern Shore.