Mountain Scene By PHILIP CHANDLER Queenstown rural landowners are on high alert over arsenic poisoning in their drinking water. Regional medical officer of health Susan Jack last month warned about 200 householders not to drink their bore water till it’s tested, as ‘‘elevated levels’’ of arsenic have been found in ‘‘two drinking water bores in your area’’. While small amounts of arsenic might be fine, ‘‘swallowing larger amounts of arsenic may be harmful to health’’. However, that warning, on behalf of Southern District Health Board, Otago Regional C...