Why organize LGUs for watershed management?

2nd Jalaur WatershedStakeholders’ Assembly December 20, 2005

Jessica Calfoforo Salas, Co-Chair TWG of

Iloilo Wateshed Management Council

The Natural Untreated Watershed

The Natural Untreated Watershed

Runoff water spreads over landscape through a network of rills and gullies to the canals

Entire landscape is moistened but there is little absorption in the soil profile. Most of the rain water flows out resulting in erosion and expansion of rills and gullies.

Crop yields fluctuate with monsoon and during drought years. Crops suffer substantially.

There is little green fodder on grazing grounds

Trees have stunted growth Drinking water is diminishing. Degradation of natural resources results in

poverty, malnutrition, hunger, illiteracy, etc.

Treated

Watershed

For

Specific

Purpose

Watershed treated for a specific purpose (NGAs) The objective of maintaining a watershed for a

reservoir for domestic use, irrigation, hydro-electric power: maximum water and minimum silt should reach the reservoir.

Sole disposal of rainwater through diversion drains, contour bunds, waste weirs, grassed water ways, drop structures and series of check dams in the drainage line to detail silt and allow water to pass downstream.

This approach succeeded in temperate climates where rainfall is equitably distributed but in tropical areas, it is not successful.

With emphasis on safe disposal of water, there is little impact on recharge.

Contour bunds are difficult to make due to small holdings and straight property boundary lines

Production system is not the primary concern. Structures are costly and require regular

maintenance

Integrated

Watershed

Management

Watershed with Integrated management Objective is conservation of water and

spreading the benefit of water during rainy season

Collection of rainwater in sunken ponds (natural & dugout) promoting the recharge of sub surface water (open well) or ground water are the main hydrological principles.

Maximum possible surface flow should be converted into sub- surface flow to moisten the soil profile and promote deep percolation

Main devices are village ponds, wells, trenches, and vegetative hedges and percolation ponds all over landscape. Minimize flow to the drainage line.

This is a holistic principle to collect retain and use rainwater for human and livestock drinking, domestic use, life-saving irrigation, vegetable cultivation and initial watering of horticultural and forest trees.

Availability of water is improved permitting its multiple use.

Crop loss during drought years is minimized. Growth of pasture and establishment of trees is facilitated

Higher yield of food, fodder, fuel and small timbers initiates socio-economic rehabilitation

Improved availability of water in the foundation of growth and development.

The Jalaur Watershed

1,248 km2 catchment area 8 Sub Watersheds:

1. Ulian-Alibunan Watershed

2. Magapa-Suage Watershed

3. Janipa-an – Jelicuon Watershed

4. Jalaud Watershed

5. Asisig-Lamunan Watershed

6. Tabun-ak Watershed

7. Sigangaw Watershed

8. Maniniw-Abangay Watershed

INSTITUTIONAL ARRANGEMENT

Members of the Jalalur Watershed Management Board

1. Representative of Ulian-Alibunan Watershed

2. Representative of Magapa-Suage Watershed

3. Representative of Janipa-an Jelicuon Watershed

4. Representative of Jalaud Watershed

5. Representative of Asisig-Lamunan Watershed

6. Representative of Tabun-ak Watershed

7. Representative of Sigangaw Watershed

8. Representative of Maniniw-Abangay Watershed

9. Bulabog Puti-an PAMB

10. Mt. Baloy National Park PAMB

11. Representative, Jalaur River Bank at Calinog

12. Representative, Jalaur River Bank at Passi

13. Representative, Jalaur River Bank at San Enrique

14. Representative, Jalaur River Bank at Duenas

15. Representative, Jalaur River Bank at Dingle

16. Representative Jalaur River Bank at Pototan

17. Representative Jalaur River Bank at Dumangas

18. Representative, Jalaur River Bank at Barotac Nuevo

19. Representative, Jalaur River Bank at Zarraga

20. Representative, Jalaur River bank at Tapiz, Capiz

21. Representative Jalaur Riverbank at Valderrama

Ulian-Alibunan WatershedMunicipalities Lambunao Calinog Dingle Duenas

Magapa-Suage WatershedMunicipalities Maasin Janiuay Badiangan Mina Pototal

Janipa-an Jelicuon WatershedMunicipalities Cabatuan Mina New Lucena Zarraga Leganes

Jalaud WatershedMunicipalities Barotac Nuevo Dumangas

Asisig-Lamunan WatershedMunicipalities Bingawan Passi San Enrique San Rafael Dumalag Capiz

Tabun-ak WatershedMunicipalities Anilao Dingle San Enrique

Sigangaw WatershedMunicipalities Mina Pototan Zarraga

Maniniw-Abangay WatershedMunicipalities Lambunao Badiangan Duenas Dingle Pototan

Jalaur River BankMunicipalities

Jalaur River BankMunicipalities Passi Calinog San enrique Duenas Dingle Pototan

Dumangas Barotac Nuevo Zarraga Tapas, Capiz Valderrama, Antique

The watershed management structure is only a shell.

What will make a difference are the actions in each barangay.

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