; use of existing data and program authorities In carrying out the demonstration program under subsection (a), the Secretary shall— (1) consult with the heads of appropriate Federal and State agencies; and (2) make maximum use of existing Federal and State data and ongoing programs and activities of Federal and State agencies, including the activities of the Secretary carried out through the Engineer Research and Development Center pursuant to section 1109 of the Water Resources Development Act of 2018 ( 33 U.S.C. 610 note). (c) Focus areas In carrying out the demonstration program under subsection (a), the Secretary shall undertake program activities related to harmful algal blooms in the Great Lakes, the tidal and inland waters of the State of New Jersey, the coastal and tidal waters of the State of Louisiana, the waterways of the counties that comprise the Sacramento-San Joaquin Delta, California, and Lake Okeechobee, Florida. 129. Update on Invasive Species Policy Guidance (a) In general The Secretary shall periodically update the Invasive Species Policy Guidance, developed under section 104 of the River and Harbor Act of 1958 ( 33 U.S.C. 610 ) and the Nonindigenous Aquatic Nuisance Prevention and Control Act of 1990 ( 16 U.S.C. 4701 et seq.), in accordance with the most recent National Invasive Species Council Management Plan developed pursuant to Executive Order 13112. (b) Inclusion The Secretary may include in the updated guidance invasive species specific efforts at federally authorized water resources development projects located in— (1) high-altitude lakes