| 400. | Continuing authority programs. | |
| 401. | Construction of bridges, causeways, dams or dikes generally; exemptions. | |
| 402. | Construction of bridges, etc., over Illinois and Mississippi Canal. | |
| 403. | Obstruction of navigable waters generally; wharves; piers, etc.; excavations and filling in. | |
| 403a. | Creation or continuance of obstruction of navigable waters. | |
| 403b. | Lighting at docks and boat launching facilities. | |
| 404. | Establishment of harbor lines; conditions to grants for extension of piers, etc. | |
| 405. | Establishment and modification of harbor lines on Potomac and Anacostia Rivers. | |
| 406. | Penalty for wrongful construction of bridges, piers, etc.; removal of structures. | |
| 407. | Deposit of refuse in navigable waters generally. | |
| 407a. | Deposit of debris of mines and stamp works. | |
| 408. | Taking possession of, use of, or injury to harbor or river improvements. | |
| 408a. | Expediting approval of modifications and alterations of projects by non-Federal interests. | |
| 409. | Obstruction of navigable waters by vessels; floating timber; marking and removal of sunken vessels. | |
| 410. | Exception as to floating loose timber, sack rafts, etc.; violation of regulations; penalty. | |
| 411. | Penalty for wrongful deposit of refuse; use of or injury to harbor improvements, and obstruction of navigable waters generally. | |
| 412. | Liability of masters, pilots, etc., and of vessels engaged in violations. | |
| 413. | Duty of United States attorneys and other Federal officers in enforcement of provisions; arrest of offenders. | |
| 414. | Vessel removal by Corps of Engineers. | |
| 415. | Summary removal of water craft obstructing navigation; liability of owner, lessee, or operator. | |
| 416. | Appropriations for removal of sunken water craft. | |
| 417. | Expenses of investigations by Department of the Army. | |
| 418. | Provisions for protection of New York Harbor unaffected. | |
| 419. | Regulation by Secretary governing transportation and dumping of dredgings, refuse, etc., into navigable waters; oyster lands; appropriations. | |
| 419a. | Management practices to extend capacity and useful life of dredged material disposal areas. | |
| 420. | Piers and cribs on Mississippi and St. Croix Rivers. | |
| 421. | Deposit of refuse, etc., in Lake Michigan near Chicago. | |
| 422. | Modification and extension of harbor lines at Chicago. | |
| 423. | Establishment of pierhead and bulkhead lines in Wilmington Harbor, California. | |
| 424. | Establishment of pierhead or bulkhead lines in Newport Harbor, California. | |
| 424a. | Modification of harbor lines in Newport Harbor, California. | |
| 425. | Omitted. | |
| 426. | Investigations concerning erosion of shores of coastal and lake waters. | |
| 426–1. | Coastal Engineering Research Center; establishment; powers and functions. | |
| 426–2. | Board on Coastal Engineering Research. | |
| 426–3. | Transfer of functions of Beach Erosion Board. | |
| 426a. | Additional investigations concerning erosion of shores of coastal and lake waters; payment of costs; “shores” defined. | |
| 426b. | Applicability of existing laws; projects referred to Board of Engineers for Rivers and Harbors. | |
| 426c. | Report by Coastal Engineering Research Center. | |
| 426d. | Payment of expenses. | |
| 426e. | Federal aid in protection of shores. | |
| 426e–1. | Shore protection projects. | |
| 426e–2. | Clarification of munition disposal authorities. | |
| 426e–3. | Coastal storm damage reduction contracts. | |
| 426f. | Reimbursements. | |
| 426g. | Storm and hurricane restoration and impact minimization program. | |
| 426g–1. | State and regional plans. | |
| 426h. | Repealed. | |
| 426h–1. | Definitions. | |
| 426i. | Shore damage prevention or mitigation. | |
| 426i–1. | Repealed. | |
| 426i–2. | National coastal data bank. | |
| 426j. | Repealed. | |
| 426k. | Five year demonstration program to temporarily increase diversion of water from Lake Michigan at Chicago, Illinois. | |
| 426l. | Protection of Lake Ontario. | |
| 426m. | Collection and removal of drift and debris from publicly maintained commercial boat harbors and adjacent land and water areas. | |
| 426n. | Technical assistance to States and local governments; cost sharing. | |
| 426o. | Great Lakes material disposal. | |
| 426o –1. | Great Lakes dredging levels adjustment. | |
| 426o –2. | Great Lakes navigation and protection. | |
| 426p. | Corps of Engineers. | |
| 427 to 430. | Repealed. | |
| 431 to 437. | Repealed. | |
| 441. | Deposit of refuse prohibited; penalty. | |
| 442. | Liability of officers of towing vessel. | |
| 443. | Permit for dumping; penalty for taking or towing boat or scow without permit. | |
| 444. | Dumping at other place than designated dumping grounds; penalty; person liable; excuses for deviation. | |
| 445. | Equipment and marking of boats or scows. | |
| 446. | Inspectors; appointment, powers, and duties. | |
| 447. | Bribery of inspector; penalty. | |
| 448. | Return of permit; penalty for failure to return. | |
| 449. | Disposition of dredged matter; persons liable; penalty. | |
| 450. | Liability of vessel. | |
| 451. | Supervisor of harbor; appointment and duties. | |
| 451a. | Harbors subject to this subchapter. | |
| 451b. | Waters included within subchapter. | |
| 452. | Taking shellfish or otherwise interfering with navigation in New York Harbor channels; penalty; arrest and procedure. | |
| 453. | Regulations for navigation of Ambrose Channel; exclusion of tows and sailing vessels. | |
| 454. | Consent of Congress to obstruction of waters by New York City. | |
| 461 to 464. | Repealed. | |
| 465. | Authority to dredge; riparian rights of United States. | |
| 466 to 466g. | Transferred. | |
| 466g–1. | Controversies involving construction or application of interstate compacts and pollution of waters. | |
| 466h to 466n. | Transferred or Repealed. | |
| 467. | Definitions. | |
| 467a. | Inspection of dams. | |
| 467b. | Investigation reports to Governors. | |
| 467c. | Determination of danger to human life and property. | |
| 467d. | National inventory of dams and low-head dams. | |
| 467e. | Interagency Committee on Dam Safety. | |
| 467f. | National dam safety program. | |
| 467f–1. | Lock and dam security. | |
| 467f–2. | Rehabilitation of high hazard potential dams. | |
| 467g. | Research. | |
| 467g–1. | Dam safety training. | |
| 467g–2. | Public awareness and outreach for dam safety. | |
| 467h. | Reports. | |
| 467i. | Statutory construction. | |
| 467j. | Authorization of appropriations. | |
| 467k to 467m. | Repealed. | |
| 467n. | Recovery of dam modification costs required for safety purposes. | |
| 467o. | Repealed. | |
