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NATIONAL IRRIGATION ADMINISTRATION EDSA, Diliman, Quezon City, Philippines

WATER ALLOCATION BETWEEN IRRIGATION AND MUNICIPAL USE (INWEPF 4 th Steering Meeting and Symposium). NATIONAL IRRIGATION ADMINISTRATION EDSA, Diliman, Quezon City, Philippines. By: DOMINADOR D. PASCUA Manager, Corporate Planning Staff. Philippines: Water Resources Regions.

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NATIONAL IRRIGATION ADMINISTRATION EDSA, Diliman, Quezon City, Philippines

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  1. WATER ALLOCATION BETWEEN IRRIGATION AND MUNICIPAL USE (INWEPF 4th Steering Meeting and Symposium) NATIONAL IRRIGATION ADMINISTRATION EDSA, Diliman, Quezon City, Philippines By: DOMINADOR D. PASCUA Manager, Corporate Planning Staff

  2. Philippines: Water Resources Regions

  3. Water Balance: 2005

  4. Water Balance: 2025

  5. Water Resources Regions 3 & 4

  6. Location of Angat Dam, AMRIS and Metro Manila, other potential water sources

  7. Water Rights Allocation in Angat Reservoir * 15 cms may be taken from the 36 cms allocation of NIA as conditional allocation to MWSS in emergencies

  8. Operation rule in Angat Reservoir • Upper rule curve – water level > 212 m • Municipal water supply, irrigation demands, instream river flow requirements satisfied • Power generated at capacity of hydropower plants • Lower rule curve – water level < 180 m • Municipal water supply satisfied first • Power generation linited to releases made from auxiliary hydropower plants • Irrigation water maybe reduced and satisfied by whatever water remains from the reservoir or obtainable from local inflows • Between the upper and lower rule curves – water level = 212 m to 180 m • Municipal water supply and irrigation demands satisfied • Power generation limited to releases for municipal water supply and irrigation

  9. Consequences of realloction in AMRIS

  10. Compensation Claims

  11. Conclusions • The Water Code does not provide clear guidelines on the Compensation for water reallocated • Means to meet Metro Manila’s increasing demand for municipal water • Develop new sources • Improve water use efficiency

  12. Thank you and good day.

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