RECREATIONAL FACILITIES ON SITES ACQUIRED FOR WATER, SEWER, OR DRAINAGE FACILITIES.

(a) A district may develop and maintain recreational facilities on a site acquired for the purpose of developing water, sewer, or drainage facilities.

(b) A district is not required to prorate the costs of a site described by Subsection (a) between the primary water, sewer, or drainage purpose and any secondary recreational facilities purpose if a licensed professional engineer certifies that the site is reasonably sized for the intended water, sewer, or drainage purpose.

(c) The engineer may consider the following factors in determining the reasonableness of the size of a water, sewer, or drainage site:

(1) the rules, regulations, and design guidelines or criteria of a municipality, county, or other entity exercising jurisdiction;

(2) sound engineering principles;

(3) the impact on adjoining property;

(4) the availability of sites that meet the requirements for the proposed use;

(5) requirements for sanitary control;

(6) the need for a buffer zone to mitigate noise or for aesthetic purposes;

(7) benefits to storm water quality; and

(8) anticipated expansions of facilities resulting from:

(A) future growth and demand for district facilities; or

(B) changes in regulatory requirements.