(a) General rule. — Except as specifically provided in subsection (b) of this section, a project sponsor who provides equipment, materials or services at no cost or at cost for a reclamation project or a water pollution abatement project:
(1) Is immune from liability for any injury to or damage suffered by a person which arises out of or occurs as a result of the water pollution abatement facilities constructed or installed during the water pollution abatement project;