(a) A well wastewater corporation shall serve all well wastewater producers in the area in which the corporation operates to the extent the corporation has adequate facilities to gather, impound, and store well wastewater.
(b) A well wastewater corporation:
(1) shall serve a well wastewater producer in proportion to the needs of all of the producers in the area;
(2) shall charge a fair and reasonable fee for its services; and
(3) may not discriminate between different producers under similar conditions.