ARTICLE 53. To promote the best interest and the coordinated protection of flood plain lands, the Secretary of Public Works, Transportation and Communications may declare flood control areas and promulgate guidelines for governing flood plain management plans in these areas.
ARTICLE 54. In declared flood control areas, rules and regulations may be promulgated to prohibit or control activities that may damage or cause deterioration of lakes and dikes, obstruct the flow of water, change the natural flow of the river, increase flood losses or aggravate flood problems.
ARTICLE 55. The government may construct necessary flood control structures in declared flood control areas, and for this purpose it shall have a legal easement as wide as may be needed along and adjacent to the river bank and outside the bed or channel of the river.
ARTICLE 56. River beds, sand bars and tidal flats may not be cultivated except upon prior permission from the Secretary of the Department of Public Works, Transportation and Communication and such permission shall not be granted where such cultivation obstructs the flow of water or increase flood levels so as to cause damage to other areas.
ARTICLE 57. Any person may erect levees or revetments to protect his property from flood, encroachment by the river or change in the course of the river, provided that such constructions does not cause damage to the property of another.
ARTICLE 58. When a river or stream suddenly changes its course to traverse private lands, the owners of the affected lands may not compel the government to restore the river to its former bed; nor can they restrain the government from taking steps to revert the river or stream to its former course. The owners of the lands thus affected are not entitled to compensation for any damage sustained thereby. However, the former owners of the new bed shall be the owners of the abandoned bed in proportion to the area lost by each.
The owners of the affected lands may undertake to return the river or stream to its old bed at their own expense; Provided, That a permit therefor is secured from the Secretary of Public Works, Transportation and Communication and work pertaining thereto are commenced within two years from the change in the course of the river or stream.
ARTICLE 59. Rivers, lakes and lagoons may, upon the recommendation of the Philippine Coast Guard, be declared navigable either in whole or in part.
ARTICLE 60. The rafting of logs and other objects on rivers and lakes which are floatable may be controlled or prohibited during designated season of the year with due regard to the needs of irrigation and domestic water supply and other uses of water.
ARTICLE 61. The impounding of water in ponds or reservoirs may be prohibited by the Council upon consultation with the Department of Health if it is dangerous to public health, or it may order that such pond or reservoir be drained if such is necessary for the protection of public health.
ARTICLE 62. Waters of a stream may be stored in a reservoir by a permittee in such amount as will not prejudice the right of any permittee downstream. Whoever operates the reservoir shall, when required, release water for minimum stream flow.
All reservoir operations shall be subject to rules and regulations issued by the Council or any proper government agency.
ARTICLE 63. The operator of a dam for the storage of water may be required to employ an engineer possessing qualifications prescribed for the proper operations, maintenance and administration of the dam.
ARTICLE 64. The Council shall approve the manner, location, depth, and spacing in which borings for subterranean or ground water may be made, determine the requirements for the registration of every boring or alteration to existing borings as well as other control measures for the exploitation of subterranean or ground water resources, and in coordination with the Professional Regulation Commission prescribe the qualifications of those who would drill such borings.
No person shall drill a well without prior permission from the Council.
ARTICLE 65. Water from one river basin may be transferred to another river basin only with approval of the Council. In considering any request for such transfer, the Council shall take into account the full costs of the transfer, the benefits that would accrue to the basin of origin without the transfer, the benefits would accrue to the receiving basin on account of the transfer, alternative schemes for supplying water to the receiving basin, and other relevant factors.
CONSERVATION AND PROTECTION OF WATERS AND WATERSHEDS AND RELATED LAND RESOURCES
Source: Official Gazette of the Republic of the Philippines — Philippine laws are public documents (works of the government).