§ 145.20 Criminal tampering in the first degree.
  A  person  is guilty of criminal tampering in the first degree when, with
intent to cause a substantial  interruption  or  impairment  of  a  service
rendered  to  the  public,  and having no right to do so nor any reasonable
ground to believe that he has  such  right,  he  damages  or  tampers  with
property  of  a  gas,  electric,  sewer,  steam or water-works corporation,
telephone or telegraph  corporation,  common  carrier,  or  public  utility
operated by a municipality or district, and thereby causes such substantial
interruption or impairment of service.
  Criminal tampering in the first degree is a class D felony.