Title
Province of Rizal vs. Executive Secretary
Case
G.R. No. 129546
Decision Date
Dec 13, 2005
A 1995 presidential proclamation designating parts of the Marikina Watershed as a landfill was declared unconstitutional, violating environmental laws and local governance codes, leading to its permanent closure.
landfill site
environmental protection
local government units

Case Summary (G.R. No. 129546)

Factual Background

The dumpsite at Pintong Bocaue, San Mateo, Rizal had been used for Metro Manila municipal wastes since 19 February 1990 and occupied developed and open portions of the Marikina Watershed Reservation; an MOA dated 17 November 1988 contemplated DENR’s allowance of its use by the Metropolitan Manila Commission and DPWH construction of the dumpsite. Numerous field investigation reports by DENR regional and CENRO personnel beginning in 1989 documented that the site lay within the watershed reservation, was agricultural and forestry land, was being used without DENR permits, and that dumping operations threatened potable water sources, caused erosion, siltation and pollution of creeks, and produced nuisances and health effects on nearby residents and pupils. The DENR Environmental Management Bureau issued an Environmental Compliance Certificate to the Metro Manila Authority on 19 February 1990 for a 2.5-hectare dumpsite, but subsequently suspended the ECC on 31 July 1990 after site inspections revealed ground slumping and erosion inconsistent with the EIS and mitigation measures.

Administrative and Political Responses

Various government actors and local officials protested or advised against the dumpsite: the Laguna Lake Development Authority objected by letter of 9 March 1990 as incompatible with its water quality program; DENR officials repeatedly recommended cessation or relocation; the Protected Areas and Wildlife Bureau opposed the dumpsite on 6 September 1995; the Sangguniang Bayan of San Mateo and municipal officers sent resolutions and letters objecting and requesting suspension. Notwithstanding these objections, the Office of the President, through Executive Secretary Ruben Torres, issued Proclamation No. 635 on 28 August 1995 excluding certain parcels of the Marikina Watershed Reservation for use as sanitary landfill under the administration of the Metropolitan Manila Development Authority.

Local Resistance, Agreements and Interim Measures

Public protests and local resistance intensified in the late 1990s and culminated in rallies and barricades in January 1999, after which MMDA agreed to abandon the dumpsite after six months and entered into a memorandum of agreement on 20 July 1999 with provincial and municipal governments to extend use until permanent closure on 31 December 2000. President Estrada thereafter issued a memorandum directing closure on 31 December 2000, but later directed reopening in January 2001 due to a garbage emergency; petitioners sought injunctive relief and this Court issued a Temporary Restraining Order on 24 January 2001.

Procedural History

Petitioners filed a petition for certiorari, prohibition and mandamus with application for a temporary restraining order and writ of preliminary injunction in the Court of Appeals on 22 July 1996. The Court of Appeals denied the petition for lack of cause of action in a decision dated 13 June 1997. Petitioners then filed the present petition for review on certiorari under Rule 45 to this Court, challenging the Court of Appeals’ decision and seeking permanent injunctions and other reliefs; ancillary motions for temporary restraint, for early resolution, and urgent motions were filed as events at the site continued to develop.

Issues Presented to the Supreme Court

Petitioners primarily urged that: (1) Proclamation No. 635 was issued on the basis of a forged DENR recommendation and thus was tainted; (2) the dumpsite operated under a spurious ECC; (3) the exclusion and disestablishment of a protected area required legislative action and therefore Proclamation No. 635 violated R.A. 7586 (as argued in the petition); (4) the Court of Appeals disregarded unanimous adverse findings of government environmental authorities; and (5) closure of the San Mateo landfill was required by Republic Act No. 9003 and by prior agreements. Before this Court, petitioners concentrated in their memorandum on two issues: whether MMDA agreed to permanent closure as of December 2000, and whether closure was mandated by Rep. Act No. 9003.

Parties' Contentions at the Supreme Court

Petitioners asserted that the site caused proven environmental harm to watershed functions and public health, that administrative approvals were flawed or suspended, and that national and local law required consultation and protection of watersheds leading to permanent closure under Rep. Act No. 9003. Respondents emphasized the magnitude of Metro Manila’s solid waste problem, the investments already committed, the alleged consultative steps taken, and the asserted impracticability of relocating the landfill; the Court of Appeals had relied on concerns of public health and integrated solid waste management in declining injunctive relief.

Ruling of the Supreme Court

This Court granted the petition, reversed and set aside the Court of Appeals decision in CA-G.R. SP No. 41330, and made permanent the Temporary Restraining Order issued by this Court on 24 January 2001. The Court declared that the San Mateo Landfill would remain permanently closed.

Legal Basis and Reasoning — Environmental Injury and Precaution

The Court reviewed the contemporaneous DENR investigation reports, the LLDA objection, the suspension of the ECC, and other administrative findings that the site’s operations produced erosion, siltation, contamination of creeks and sources of potable water, odors, vectors and school health problems. The Court concluded that the record demonstrated significant and ongoing adverse effects on the watershed and local communities and that protection of water sources justified decisive remedial action. The Court relied upon prior precedents recognizing the inalienable public interest in environmental protection and the correlative duty to conserve resources, including Oposa v. Factoran and decisions stressing the primacy of watershed protection.

Legal Basis and Reasoning — DENR Mandate and the Regalian Doctrine

The Court recited the constitutional and statutory framework that places natural resources in state ownership and vests management and conservation duties in the DENR, citing Art. XII, Sec. 2, the Reorganization Act of the Department of Environment and Natural Resources (Executive Order No. 192), and Title XIV, Book IV of the Administrative Code of 1987. The Court emphasized that DENR’s authority is subject to law and higher authority and that its mandate includes sustainable use and conservation of forest and watershed lands. The Court found it ironic that national agencies claimed authority over the public domain while neglecting their conservation duties.

Legal Basis and Reasoning — Local Government Code and Consultation Requirements

The Court held that the implementation of national projects affecting local ecological balance is governed by the Local Government Code (Rep. Act No. 7160) which requires prior consultations with affected local government units and the approval of the pertinent sanggunian. Citing Sections 2(c), 16, 26, 27 and 447 of the Code, the Court reasoned that the law imposes mandatory procedural obligations on national agencies before implementing projects that may cause pollution, depletion of forest cover, or other ecological harms. The Court observed that the consultation claimed by respondents was equivocal and that municipal mayors had lawfully opposed continued dumping.

Legal Basis and Reasoning — Statutory Closure Mandated by R.A. 9003

The Court invoked Republic Act No. 9003, The Ec

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