In all the contracts to be made between the municipalities and the commissioners pursuant to the terms of this chapter, the several municipalities so contracting shall undertake and agree, upon the request of the commissioners, to exercise and put in operation all their powers of eminent domain for the condemnation of lands, rights in lands and other property for the benefit of such joint enterprise, either within or outside the territory of such contracting municipalities.
N.J.S. § 58:14-19