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Securing the

Partnerships for Sewerage and

Sanitation:Lessons Learned

Pasig River Forum

24 April 2012

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  22

Privatization of MWSS

WESTZONE

EASTZONE

Metropolitan Waterworks andSewerage System (MWSS)

CONCESSION

AGREEME

NT

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LagunaLake

ManilaBay

Pasig

River

Marikina

River

LaMesaDam

San JuanRiver

•Before 1997, less than 3% sewer coverage

1. Manila’s old sewernetwork

2. Dagat-dagatan sewernetwork

3. Makati CBD sewernetwork

4. Scattered communalseptic tanks in QuezonCity, Cainta & Pasig

•More than 80% use septictanks

•.

Most improperlydesigned

•. Not regularlymaintained

•~10% have no access tosanitary facilities

1

2

3

4

MWSS Seweragein 1997

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4

Manila Water’s Wastewater Facilities(end of 2011)

38 facilities with total capacity to treat~135,000 m3 per day

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  55

Drivers for fast tracking programs in sewerageand sanitation

S RA 9275 Clean Water Actof 2004

S Supreme Court decision oncleanup of Manila Bay

(2008)S Millennium Development

Goal 7: EnvironmentalSustainability

S MWSS ConcessionAgreement Extension to2037: double and fasttrack investments forwater & wastewater

LagunaLake

ManilaBay

fishpens

Poultry/piggery

Landfill

Quarry

Industries

Industries

Industri

essquatters

squatters

squatters

fishpens

solidwaste

PasigRiver

domesticwastewater

San JuanRiver

MarikinaRiver

squatters

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 66 6

Septic Tank Desludging

& Septage Treatment

Package SewageTreatment Systems

Combined Sewer-

Drainage Systems

• septic tank desludgingfor

customers every 5years• septic tank sludge issent to

septage treatmentfacilities

• for areas with pre-existing

separate sewernetworks

• for areas served byindividual

septic tanks and withnoexisting sewer network 

• intercept greywater instreet

canals for fulltreatment

Manila Water’s WastewaterStrategy

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East Zone Catchment Areas for Sewerage

Marikina River sub-catchments

San Juan River sub-catchments

Pasig River sub-catchments

East of Manggahan sub-catchments

Taguig sub-catchments

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Challenges in project implementation andoperations

S Public’s awareness and

willingness to payS Infrastructure for collecting

sewageS Acquiring land for treatment

facilities

S Possible future change ineffluent standards

S Concept of compliance forpublicly owned treatment works

S Sustainability of wastewater

tariff structure

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Land& right of 

way

Willingness to pay

Regulations, standards

&

compliance

Solidwastes

Awareness and

support

 Technology

Funding

Wastewater tariffs

 Talent

Expansion of Wastewater

Services

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Olandes STP

S Partnership with Marikina City LGU

S ‘Climate-proof’ wastewater facilityS Open to the public, part of the Marikina River ParkS New, ongoing project: Marikina North STP at Balubad

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Taguig West STP

S Partnership with DNDS Underground sewage treatment

plant in the grounds of theLibingan ng mga Bayani

S Open air museum (park andmurals) on top of the STP

S Effluent reuse in parkmaintenance

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Septic Tank Desludging Program

S Partnerhsip with Marikina LGU, USAID-LINAW

• Partnership with Marikina City in 2008.• City ordinance required mandatory septictank

desludging for all homes.• USAID LINAW project involved in socialmarketing.• Barangays coordinated with MWC onschedules.• MWC provided the desludging services.

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The ‘Lakbayan’ Water Trail

S Partnership with the publicS

A tour of our water & wastewater facilitiesfor the public to appreciate the completewater cycle

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Summary

S Manila Water cannot do it alone. The risks toattaining our wastewater targets are best addressedthrough partnerships with key stakeholders.

S Our partnerships have resulted in creative andsynergistic solutions that would otherwise haveremained undeveloped if we had done things on ourown.

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