A sanitary district board may purchase real estate, right-of-way or easement within or outside the corporate limits of the district for improvements authorized by this Part. If a purchase price cannot be agreed upon, the board may condemn the real estate, right-of-way or easement in accordance with Chapter 40A of the N.C. Gen. Stat.. (1927, c. 100, s. 9; 1933, c. 8, s. 3; 1957, c. 1357, s. 1; 1981, c. 919, s. 13; 1983, c. 891, s. 2.)