Presidential Decree No. 1067, s. 1976 | Official Gazette of the Republic o... https://www.officialgazette.gov.ph/1976/12/31/presidential-decree-no-10... 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 Xoatable 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 Xow. 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 qualiacations 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 qualiacations 11 of 21 31.05.21, 19:45