The district may participate in the funding and construction of improvements related to water conservation projects within the City of McAllen Tax Increment Reinvestment Zone Number One. Those projects include the construction of lakes, reservoirs, drainage facilities, recycled water facilities, constructed wetlands and filtration systems, and related infrastructure. The district may not engage in projects authorized by this section outside of the boundaries of the district. The district may exercise the powers under this section only in cooperation with a public improvement district located within the boundaries of the City of McAllen Tax Increment Reinvestment Zone Number One under an agreement between the district and the public entity or improvement district. Added by Acts 2015, 84th Leg., R.S., Ch. 443 (H.B. 3220), Sec. 1, eff. June 15, 2015.