Section 1115-A. Remedy for purchaser of one parcel of unapproved realty subdivision

1. The owner of a parcel of land acquired  as  one  parcel
  for  residential  purposes  may  apply  to  the  local  or  state health
  department having jurisdiction for a  certificate  approving  the  water
  supply  for  said  parcel  as adequate and satisfactory. The application
  shall include  the  description  of  the  parcel  as  specified  in  the
  instrument, by which owner acquired title.
    2.  The  proper  department shall entertain said application and issue
  said certificate providing that the water supply shall, in  the  opinion
  of   such   department,   be   adequate   in  quality  and  potable  and
  unobjectionable in physical and chemical quality and not be or become so
  polluted or subject to such pollution  as  to  constitute  a  menace  or
  potential  menace to the public health or the health of persons using or
  who may use the water thereby supplied.
    3. The certificate approving the water supply for  said  parcel  shall
  contain  the  name  of  the  owner-applicant  and the description of the
  property set forth in  the  application.  The  owner  shall  append  the
  certificate  of  approval  to a verified petition directed to the county
  clerk of the county wherein the property is located,  praying  that  the
  petition  and  certificate  of  approval annexed be recorded and indexed
  against the owner-petitioner.
    4.  The  county  clerk  upon  receiving  the  petition  with   annexed
  certificate  of  approval, and upon tender of the lawful recording fees,
  shall  record  the  same  in  his  office  and  index  it  against   the
  owner-petitioner. The recording of the petition with annexed certificate
  of  approval  shall  be  deemed  compliance  with section eleven hundred
  sixteen of this title, for the parcel described.
    5. This section shall apply only to a single residential lot which was
  acquired May third, nineteen hundred sixty-six without  having  complied
  with  the  provisions of former section eighty-nine of the public health
  law or section eleven hundred sixteen of this title but was:
    (a) acquired by the owner-applicant prior to January  first,  nineteen
  hundred seventy-one; or
    (b)  acquired  by  the  owner-applicant  through  devise  or intestate
  succession; or
    (c) not at the time of acquisition of title by the owner-applicant,  a
  part of a subdivision, as such term is defined in section eleven hundred
  fifteen of this title.
    In  addition,  this  section  shall  apply to a single residential lot
  which the appropriate department deems proper for  approval  because  of
  hardship  or other special circumstances established to its satisfaction
  by the owner-applicant.