Published on the 12nd of January, 2025
Manilla and Its Journey to Efficient Water Management

Water that is clear is deep.
– Filipino proverb

2023 was a lucky year for me – I had a chance to travel to Manilla. The highlight of my trip was to discover the Juan Luna’s Hymne oh Hymnee painting which was long lost and has been discovered recently. Manilla had such a vibrant and active vibe to it. However, behind the city’s lively façade, the city had a long history of challenge in urban water management. In the mid-1990s, Manila was caught in a vicious cycle of underinvestment, leading to poor water services and low coverage. At that time, only 10% of the entire service area had an average of 16 hours of water supply, leaving a staggering 35% of the population without coverage. The Metropolitan Waterworks and Sewerage System (MWSS), the authority responsible for water distribution, drew its raw surface water primarily from two sources: the Angat and Ipo dams, providing about 98% of the city’s water supply. These dams were essential, but the MWSS also operated 258 deep wells, with only 113 operational. Unfortunately, the water sector faced tremendous challenges, including supply intermittency, extensive water loss due to leakages and theft, and poor water quality.The situation was dire, with non-revenue water (NRW) reaching nearly 60%, representing usage that went unbilled due to various factors, including leakage and meter-related errors. The quality of water supplied was also suspect, as many households received water for only a few hours each day, often from questionable sources such as wells and communal faucets, leading to a high incidence of waterborne diseases. In addition to the scarcity of water supply, sewer coverage was low at just 3%.
I’ll focus on a following key topics:
How Public-Private Partnerships (PPPs) Transformed Water Management: A Success Story.
How the public discontent towards the bill increase, in relation with introduction of the PPP was managed.
How Public-Private Partnerships (PPPs) Transformed Water Management: Challenges and Story of Success
The National Water Crisis Act (NWCA) of 1995 laid the foundation for this transformation. The key features of the act were: to create a Joint Executive-Legislative Water Crisis Commission to study the water supply and distribution system and to Reorganize the Metropolitan Waterworks and Sewerage System and the Local Waterworks and Utilities Administration. Under the NWCA, the government, through MWSS, had the authority to engage the private sector to provide financial resources and operational expertise to overcome years of underinvestment and inefficiency. MWSS issued an international call for bids to manage, operate, and invest in water services. Global and local firms competed for the contracts, with the winning criterion being the lowest tariff bid (the rate they would charge consumers). The two 25-year concessions were awarded t to Manila Water Company, Inc. (East Zone) and Maynilad Water Services, Inc. (West Zone) The Manila Water Company, Inc., a joint venture involving Ayala Corporation, Bechtel Enterprises Inc., United Utilities, and later Mitsubishi.
The privatization of Metro Manila’s water services is often cited as a case study in water sector reform. It showcased both the potential benefits of involving the private sector in infrastructure development and the challenges of balancing profitability, affordability, and public service delivery.
Surprisingly, the concession provided the creation of a regulating body tasked to monitor and assess the concessionaires’ performance based on pre-determined standards consisting of the service obligations of the concessionaires to the public. It should have been separated but due to the existing regulatory framework, this separation did not happen. The only threshold for the evaluation of the performance of the contractor’s was the pre-determined standards set out in the contract. Under the concession agreements, the private operators in Metro Manila were held to strict pre-determined standards to ensure measurable improvements in water services. These included expanding water supply coverage to reach all households, with a focus on underserved areas, and significantly reducing non-revenue water from pre-privatization levels of up to 70% to below 30%. Concessionaires were required to maintain a minimum water pressure of 7 psi and provide 24/7 water access, alongside ensuring compliance with the Philippine National Standards for Drinking Water to deliver safe and potable water.
The introduction of Public-Private Partnerships (PPPs) in infrastructure and public service delivery evolved as a solution to bridge gaps in public funding and improve service efficiency. However, there were number of challenges such as legislative barriers, capacity building, stakeholder resistance, financing and investment etc.
- Legislative Barriers.
After the Manila Water Concession contracts were signed, legislative challenges arose to ensure effective implementation and long-term sustainability of the agreements. These included ambiguities in regulatory oversight, conflicts over tariff adjustments, and evolving legal interpretations of the contracts. The primary regulatory body, the Metropolitan Waterworks and Sewerage System (MWSS), faced difficulties in balancing its dual roles as a regulator and a contract administrator, leading to concerns about impartiality and the enforcement of performance standards.
Conflicts over tariff increases became a recurring issue, particularly as concessionaires sought adjustments to cover rising operational costs and fulfill their investment commitments. Public opposition to these increases often prompted legal disputes, with courts being involved in interpreting the contract clauses related to rate adjustments and profit ceilings.
Furthermore, the evolving political landscape occasionally introduced policy shifts and legislative actions that threatened the stability of the concession agreements. These challenges underscored the importance of having a robust and adaptive legal framework to address disputes, ensure accountability, and maintain public trust in the privatization process
Institutional challenges were also present. Multiple agencies with overlapping mandates created confusion and delays in the decision-making process, making it difficult to streamline operations under a single concession agreement.
- Capacity Building Barriers.
Capacity-building barriers in Manila’s water management included limited technical expertise and institutional capacity within regulatory bodies like MWSS, hindering effective oversight and enforcement of performance standards. Insufficient training and resources for local agencies created challenges in managing complex PPP agreements, ensuring compliance with contractual obligations, and adapting to evolving legal and operational frameworks. Additionally, overlapping mandates among multiple agencies led to inefficiencies and delays in decision-making, while the lack of stakeholder engagement mechanisms contributed to resistance and slowed progress in implementing reforms.
- Stakeholder Barriers.
Stakeholder resistance to the Manila Water Concession Agreement was marked by significant concerns from various groups. Labor unions feared job losses and reduced benefits, as privatization threatened employment in the previously state-run Metropolitan Waterworks and Sewerage System (MWSS). Public discontent grew over proposed tariff hikes, with many citizens worried about the affordability of water, particularly for lower-income groups. This resistance was amplified by political opposition, with some lawmakers arguing that privatization was akin to selling off essential public resources and undermining government control. Furthermore, consumers were skeptical about private operators prioritizing profit over service quality, leading to a lack of trust in the new system. These challenges were managed through transparent communication, regulatory oversight, and gradual adjustments to tariffs, with public-private dialogues helping to alleviate concerns and ensure the long-term viability of the concession model.
- Financing.
The financing barriers in the Manila Water Concession Agreement primarily stemmed from the difficulties in securing sufficient private investment for large-scale infrastructure improvements in the water sector. One major barrier was the high upfront capital required to improve and expand the water distribution and sewerage systems, particularly in a context where past inefficiencies had reduced investor confidence. The concessionaires needed significant financial backing to upgrade aging infrastructure, reduce non-revenue water, and extend services to underserved areas, but the potential for low returns in some regions of Metro Manila made financing more challenging.
Additionally, the need for clear and stable financial structures to manage risks such as inflation, foreign exchange fluctuations, and unexpected costs created further obstacles. Ensuring that the pricing model was attractive to investors while still keeping water affordable for consumers required balancing the financial needs of the private sector with social equity concerns. There were also issues around guaranteeing returns for investors, especially when tariff increases faced political resistance, creating uncertainty in the financial environment.
Financing was also complicated by the regulatory framework, which was evolving and needed to align with the needs of private investors. The political risk, particularly regarding changes in government policy or sudden regulatory adjustments, was another factor that made securing financing more difficult. This resulted in the need for international lenders and development banks, including the World Bank and the Asian Development Bank, to step in with funding support and risk mitigation tools.
One of the most notable financial crises occurred after a dispute with the government over tariff hikes and contract terms. In 2019, the government decided to cancel the extension of the concession agreements for Maynilad and Manila Water, citing “onerous” contract provisions that were seen as unfavorable to the public. This decision sparked concerns of bankruptcy, as Maynilad had around ₱42 billion in debt, with loan agreements stipulating that any changes in the concession contracts could trigger immediate loan repayment. This financial pressure led the company to suspend essential capital expenditure projects, which were critical for expanding water supply and wastewater treatment infrastructure
In addition to this financial crisis, Maynilad faced difficulties with its tariff structure, which was a source of tension between the private operator and the government. The dispute over water tariff increases became a significant issue when the Permanent Court of Arbitration ruled in favor of Maynilad, ordering the government to pay compensation for lost tariff adjustments. This decision added to the already challenging financial situation, with political and public opposition further complicating the privatization model.
Between 2003 and 2006, Maynilad Water Services Inc. faced a corporate crisis that led to the reversion of ownership from the original private consortium to the government-run Metropolitan Waterworks and Sewerage System (MWSS). This turmoil stemmed from financial challenges tied to the 1997 Asian Financial Crisis, which sharply devalued the peso and inflated the cost of foreign loans, coupled with operational inefficiencies like aging infrastructure and high non-revenue water (NRW) levels. In 2007, the concession was rebid, and new owners took over, bringing fresh management approaches that starkly contrasted with their predecessors, particularly in NRW reduction. This transition highlights the financial risks for private concessionaires and the critical role of effective management in addressing systemic inefficiencies. The new owners of Maynilad, who took over in 2007 after the rebidding of the concession, implemented significant reforms that revitalized the company. They introduced more robust financial management, invested heavily in upgrading the aging infrastructure, and adopted innovative strategies to reduce non-revenue water (NRW). Under their leadership, NRW levels dropped significantly, improving overall efficiency and water supply reliability. The company also expanded coverage, enhanced customer service, and modernized operations, demonstrating the transformative impact of effective private-sector management in addressing long-standing challenges. This turnaround highlighted the importance of strategic investments and operational excellence in overcoming financial and infrastructural hurdles.
*Concession Agreement – A must-read if you are an urban water specialist

How the public discontent towards the bill increased, in relation to introduction of the PPP was managed.
A unique aspect of this PPP model was its formula-based tariff-setting mechanism, ensuring investors a reasonable return while limiting the discretion of regulators and politicians. Tariffs were adjusted periodically to account for inflation and currency fluctuations, and disputes were resolved through arbitration with an independent Appeals Panel. This mechanism allowed conflicts to be resolved outside of lengthy court battles. Notably, in cases of significant disputes, such as the delayed implementation of agreed tariff increases, the panel ensured an impartial review and issued binding resolutions. Arbitration served as a key tool for managing the tensions between the private operators and the government, balancing contractual obligations with public interest.
Public discontent towards the privatization of water services in Manila, particularly following the introduction of the Public-Private Partnership (PPP) model, grew due to a combination of tariff hikes and perceived inefficiencies in service delivery. Many citizens expressed frustration over the increased water prices, which were seen as too high, especially for low-income households. The introduction of the PPP system, where Manila Water and Maynilad took over the management of water services, raised concerns about the prioritization of profit over public welfare. People felt that the privatization did not benefit them as it was framed, and the burden of rising costs became a central issue.
The government attempted to manage this discontent by introducing a regulatory framework to monitor the performance of the concessionaires. The Metropolitan Waterworks and Sewerage System (MWSS), the government agency that oversaw the concession agreements, played a critical role in addressing consumer complaints and ensuring that the companies met service targets. Additionally, the regulatory mechanism allowed for tariff adjustments that were supposed to be transparent and justified based on the concessionaires’ costs and investments.
The government also focused on public outreach, although there were varying levels of success in convincing the public that the privatization would lead to better service in the long term. When tariffs were contested, especially during periods of economic difficulty, the government engaged in dialogue with the public, highlighting the long-term infrastructure improvements and the necessity of privatization to bring in private capital for development projects. Despite this, the regulatory adjustments and communication strategies did not fully resolve public dissatisfaction, especially when the companies faced legal battles with the government, leading to even more widespread opposition
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Conclusion.
This transformation of Manila’s water sector was a crucial step towards ensuring a sustainable, world-class water and wastewater service. It marked the beginning of a shift towards corporatization of public sector utilities, enhancing their efficiency and financial independence. In conclusion, the story of urban water management in Manila is a tale of resilience and innovation. Through PPP initiatives, the city was able to break free from the shackles of underinvestment and inefficiency, providing its residents with access to clean and reliable water services. Today, Manila stands as a testament to the transformative power of public-private partnerships in ensuring access to essential services for a rapidly growing urban population.
LIST OF REFERENCE: Water.org. (2015). The Manila Water Story. Retrieved from Water.org
National Water Crisis Act of 1995. Republic Act No. 8041. Retrieved from Official Gazette of the Philippines
East Zone Concession Agreement. Manila Water Company, Inc. Retrieved from Manila Water
MWSS Concession Agreement with Manila Water Company, Inc. Metropolitan Waterworks and Sewerage System. Retrieved from MWSS
Non-Revenue Water (NRW) Reduction Program. Manila Water Company, Inc. Retrieved from Manila Water
United Nations Development Programme. (2009). Manila Water: The Concessionaire. Retrieved from UNDP Philippines
Revell, P. (2006). Performance Based Regulation: How to do it. Retrieved from Public Services International Research Unit
Manila Water Company, Inc. (2018). Annual Report. Retrieved from Manila Water