Title
MMDA flood control authority in Metro Manila
Law
Mmda No. 11-21
Decision Date
Jun 28, 2011
The Metropolitan Manila Development Authority (MMDA) is granted exclusive authority to manage and implement flood control programs and infrastructure projects across Metro Manila, addressing severe flooding issues exacerbated by inadequate drainage and illegal structures.
A

Background and Justification

  • Metro Manila experienced severe flooding due to tropical storm Falcona and monsoon rains.
  • Flooding was worsened by inadequate drainage capacity and clogged waterways filled with garbage.
  • Flooding caused significant disruption, including heavy traffic and stranded residents.
  • 55% of Metro Manila's 500-kilometer waterways are inaccessible due to obstructions and illegal structures.

Review of Existing Agreements and Funding

  • Metro Manila Mayors called for revisiting the existing Memorandum of Agreement between MMDA and DPWH regarding flood control management.
  • Exploration of using calamity funds from the 17 LGUs for pre-disaster activities.

Floodwater Gauge Sensors (FGS) Issues and Solutions

  • Current FGS installations are limited, mainly positioned at pumping stations, with only a few functional.
  • FGS are not installed in identified flood-prone areas.
  • LGUs agreed to supply additional FGS units to be strategically installed in vulnerable locations.

Consultation with Local Government Units

  • MMDA must consult the 17 LGUs in Metro Manila prior to implementing flood control programs and projects.
  • LGUs are encouraged to allocate calamity funds for pre-disaster or pre-calamity measures.

Appointment of the Overall Head

  • MMDA Chairman Francis N. Tolentino is designated as the overall head responsible for the flood control programs and projects in Metro Manila.

Enactment and Effectivity

  • The resolution took effect upon approval on June 28, 2011.
  • Signed by the Chair of MMDA and mayors of the 17 LGUs within Metro Manila.

Important Legal Concepts

  • Consolidation of flood control management authority under a single agency improves coordination and response efficiency.
  • Use of disaster funds proactively for pre-calamity activities aids in risk reduction.
  • Collaboration between metropolitan authority and local units ensures comprehensive flood control measures.
  • Addressing infrastructural and environmental challenges such as illegal structures and clogged waterways is critical in flood mitigation.

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