1. (a) All that area south of a line commencing at the junction of the northerly boundary of the Village of North Tarrytown and the east bank of the Hudson River; thence easterly, southerly, and easterly along the village line to Old Croton Road; thence southerly along Old Croton Road to Broadway; thence southerly along Broadway to the Greenburg-Mount Pleasant town line (Tarrytown village line); thence easterly along the town line to the Bronx River Parkway; thence northerly and easterly along the Bronx River Parkway to Route 22; thence northeasterly along Route 22 to Route 120; thence southerly along Route 120 to the Connecticut-New York State line; except that area delineated as Level IV.
2. (b) All that area within the municipal boundaries of the City of Peekskill and the Village of Buchanan.
3. (c) All that area commencing at the junction of the east bank of the Hudson River and the southerly municipal boundary of the Village of Ossining; thence counterclockwise along the village line to a point where the northerly municipal boundary crosses the Old Croton Aqueduct of the New York City Department of Water Supply, Gas and Electricity; thence northerly along the Old Croton Aqueduct to the New Castle town line; thence northwesterly along the New Castle town line to the Cortlandt town line; thence northwesterly along a straight line to the intersection of Nordica Drive and Truesdale Drive in the Village of Croton-on-Hudson; thence northerly along a straight line to the intersection of Morningside Drive and Highland Avenue; thence northwesterly along Highland Avenue to the Albany Post Road (Route 9); thence due west to the east bank of the Hudson River; thence southerly along the east bank of the Hudson River to the beginning point.

Environmental Conservation Law, §§ 15, 77