Section 3.9. Coordination and Cooperation. The commission shall promote and aid the coordination of the activities and programs of Federal, state, municipal and private agencies concerned with water resources administration in the basin. To this end, but without limitation thereto, the commission may--
(a) Advise, consult, contract, financially assist, or otherwise cooperate with any and all such agencies;
(b) Employ any other agency or instrumentality of any of the signatory parties or of any political subdivision thereof, in the design, construction, operation and maintenance of structures, and the installation and management of river control systems, or for any other purpose;
(c) Develop and adopt plans and specifications for particular water resources projects and facilities which so far as consistent with the comprehensive plan incorporate any separate plans of other public and private organizations operating in the basin, and permit the decentralized administration thereof;
(d) Qualify as a sponsoring agency under any Federal legislation heretofore or hereafter enacted to provide financial or other assistance for the planning, conservation, utilization, development, management or control of water resources.