Section 76. Limitation on acquisition of water rights in Westchester and Putnam counties

Notwithstanding  the  provisions  of  any  general  or  special  law,  a  municipal or other corporation not situated within the
  county of Westchester or the county of Putnam shall not  have  power  to
  acquire  by condemnation, for the purpose of increasing or improving the
  water supply of any such corporation, or for supplying  the  inhabitants
  thereof  with  water,  any  lands, easements, streams of water, or water
  rights within the county of Westchester  or  the  towns  of  Carmel  and
  Putnam  Valley  in  the county of Putnam, except that this section shall
  not apply to  the  contemplated  reservoir  known  as  the  Cross  river
  reservoir,  nor  to  the contemplated reservoir at or near Croton falls,
  nor to the contemplated acquisition of land in the vicinity of Rye lake;
  nor shall this section operate to prevent the  city  of  New  York  from
  acquiring  real  estate  in  said  counties necessary for the purpose of
  constructing, maintaining and  operating  aqueducts,  dams,  reservoirs,
  culverts,  sluices,  canals, bridges, tunnels, pumping works, blow-offs,
  shafts, filters and appurtenances for the purpose of  conveying  to  the
  city of New York and to the said counties, water from sources outside of
  the  said  counties,  or for the purpose of connecting supplies of water
  already established within said counties, nor shall this section operate
  to prevent the city of New York from acquiring such real  estate  within
  the  Croton watershed in the county of Westchester, contiguous to Little
  Mohansic Lake and Mohansic Lake, as may be necessary  for  the  sanitary
  protection  of the water supply of the city of New York, and the city of
  New York is hereby authorized to acquire by purchase or by  condemnation
  in  the manner prescribed by the provisions of title two, chapter eleven
  of the Greater New York charter as amended, such real  estate  for  such
  purposes, except the lands, buildings and premises known as the Mohansic
  Lake  reservation  in  the  town of Yorktown, the county of Westchester,
  transferred and conveyed by the people of the state of New York  to  the
  county of Westchester by chapter two hundred and seventy-six of the laws
  of nineteen hundred and twenty-two.