Six people entered guilty pleas in Carbon County court on Thursday to driving under the influence and related counts.

The pleas were accepted by Judge Steven R. Serfass.Heather Ann Rex, 29, of Walnutport, and formerly of Lehighton, pleaded in two pending cases to two counts of drunken driving.She was arrested on April 9 by state police at Lehighton along Summit Avenue in Lehighton. Given a test, the result showed the presence of a controlled substance.She was arrested by state police a second time, on April 27, along First Street in Lehighton. A test showed the presence of a controlled substance.On the first count Serfass sentenced her to serve 72 hours to six months in jail, a fine of $1,000, one-year license suspension, zero tolerance on drug and alcohol use, and render 25 hours of community service.On the second count the same conditions were imposed, all running consecutively.She will begin the six-day jail term at 9 a.m. on Oct. 13.Steven Richard Lewis, 46, of Lehighton, was arrested on Dec. 29, 2013, along Blakeslee Boulevard Drive East by Lehighton police. Given a test, the result was 0.18 BAC.A first offense, Lewis was placed on probation for six months and ordered to pay a fine of $300, get a drug and alcohol evaluation and follow any recommendation for treatment, and render 25 hours of community service.Marcia Elizabeth Miller, 39, of Jim Thorpe, was arrested on June 4 by state police at Lehighton along Behrens Road in Penn Forest Township. Given a test, the result was 0.14 BAC.Serfass sentenced her to serve 48 hours to six months in jail, a fine of $500, one-year license suspension, and get a D&A evaluation.She will begin the jail term at 10 a.m. on Oct. 10.Sterling E. Knappenberger, 65, of Jim Thorpe, was arrested on July 7 along Route 903 in Penn Forest Township by state police at Lehighton during a checkpoint operation. Given a test, the result was 0.09 BAC.A first offense, he was placed on probation for six months and ordered to pay a fine of $300, get a D&A evacuation, and render 25 hours of community service.Timothy Philip Laybourn, 44, of Lehighton, was arrested on Jan. 7 along White Street in Weissport by state police at Lehighton. Given a test, the result showed the presence of a controlled substance.Sentencing was deferred so Laybourn could apply for the Intermediate Punishment Program.David G. Betz, 32, of Jim Thorpe, was arrested on Dec. 18, 2012, along Walnut Avenue by Jim Thorpe police. Given a test, the result showed the presence of a controlled substance.Sentencing was deferred.Each defendant sentenced must also pay court costs, which average about $1,500 in DUI cases, and pay a $50 per month supervision fee while on probation or parole.