Lansing State Journal | Oil leak discovered in Onondaga Township Lansing State Journal ONONDAGA TWP. - A three-inch line from an oil pump owned by Omimex Energy failed Sunday and leaked approximately 42 gallons of oil and brine into a field in southwest Ingham County Sunday evening, county officials said. The leak was found near the ... Pump failure causes oil leak near Onondaga Township Problem related to oil pump causes spill in Michigan field |