The Department of the Environment and the Department of Natural Resources shall each make any test of water or wastewater that it considers necessary to determine the adequacy of performance of a water supply system, sewerage system, or industrial wastewater treatment plant.

Added by Acts 1987, c. 306, § 16. Amended by Acts 1987, c. 612, § 2; Acts 1988, c. 6, § 11.