Lake, and Lake Shelbyville, Illinois. Sec. 342. Delaware Coastal System Program. Sec. 343. Maintenance of pile dike system. Sec. 344. Conveyances. Sec. 345. Emergency drought operations pilot program. Sec. 346. Rehabilitation of existing levees. Sec. 347. Non-Federal implementation pilot program. Sec. 348. Harmful algal bloom demonstration program. Sec. 349. Sense of Congress relating to Mobile Harbor, Alabama. Sec. 350. Sense of Congress relating to Port of Portland, Oregon. Sec. 351. Chattahoochee River Program. Sec. 352. Additional projects for underserved community harbors. Sec. 353. Winooski River tributary watershed. Sec. 354. Waco Lake, Texas. Sec. 355. Seminole Tribal claim extension. TITLE IV—Project authorizations Sec. 401. Project authorizations. 2. Definition of Secretary In this Act, the term Secretary means the Secretary of the Army. 3. Effective date This Act and the amendments made by this Act shall take effect on the day that is 1 day after the date of enactment of this Act. I General provisions 101. Notice to Congress regarding WRDA implementation (a) Plan of implementation (1) In general Not later than 90 days after the date of enactment of this Act, the Secretary shall develop a plan for implementing this Act and the amendments made by this Act. (2) Requirements In developing the plan under paragraph (1), the Secretary shall— (A) identify each provision of this Act (or an amendment made by this Act) that will require— (i) the development and issuance of guidance, including whether that guidance will be significant guidance