For certain residential uses as prescribed herein, the stream buffer shall be reduced to 15 feet and the transitional area described in section 17-3-3 shall be reduced to 15 feet. To qualify for these special provisions, a proposed development must meet the following criteria:

a)

The lot on which the development is to occur must be a lot of record in the Henderson County Registry as of 6 September 2001.

b)

Use of the lot must be limited to a one- or two-family residential dwelling.

c)

The lot may not exceed one acre in area.

d)

The amount of impervious surface allowed on the lot shall not exceed 25 percent of the lot or 3,000 square feet, whichever is greater.