ยง 583. Definitions. As used in this title:
1. "City" means the city of New York.
2.  "Tax",  "taxes"  and  "taxation"  mean  a  charge  imposed on real
  property by or on behalf of a county, city,  town,  village,  or  school
  district  for  municipal or school district purposes, and any special ad
  valorem levy or special assessment.
3. "Watershed agricultural easement" means  a  watershed  conservation
  easement  which  allows the land subject to such easement to be utilized
  in agricultural production.
4. "Watershed conservation  easement"  means  an  easement,  covenant,
  restriction or other interest in real property purchased by or on behalf
  of  the  city of New York that is located in those areas of the counties
  of Delaware, Dutchess, Greene, Putnam, Schoharie, Sullivan,  Ulster  and
  Westchester  located in the watershed of the New York city water supply,
  created under and subject to the provisions of article forty-nine of the
  environmental conservation law which, for the purpose of maintaining the
  open space, natural condition, or character of the real  property  in  a
  manner consistent with the protection of water quality generally and the
  New   York   city   water   supply  specifically,  limits  or  restricts
  development, management or use of such real property.
Structure New York Laws
Article 5 - Assessment Procedure
584 - Taxation of Watershed Conservation Easements and Watershed Agricultural Easements.
585 - Taxation or Exemption of Watershed Agricultural Easements.
586 - Assessment of Watershed Conservation Easements and Watershed Agricultural Easements.
587 - List of Watershed Conservation Easements and Watershed Agricultural Easements.