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Iloilo Mission Hospital Wastewater Treatment Plant in Iloilo City, Philippines

Project year: 2009 • BORDA


To construct a decentralized wastewater treatment plant


The Iloilo Mission Hospital Wastewater Treatment Plant was completed in 2009. It was designed for 290 hospital beds, including patients, staff and visitors. This Treatment Plant is one of the 69 operating DEWATS constructed with the support of BORDA in Philippines.

Wastewater generated from the Iloilo Mission Hospital has long been considered to be a major source of environmental pollution in Iloilo City. The wastewater from the hospital should be treated and disposed of in a manner that minimizes potential harm to public health and detrimental impacts on environment. BORDA and its partners in Philippines came up with an innovative wastewater treatment facility that enables the hospital to treat its wastewater cheap and effectively. The wastewater effluent generated from different sources are treated by a combination of anaerobic and aerobic processes to significantly reduce the pollution level before discharge. The treatment plant is composed of a settler followed by a series of anaerobic baffled reactors and anaerobic filters as well as an aerobic treatment step consisting of a planted gravel filter.

The DEWATS has the capacity to treat almost 300 m³ of wastewater discharged daily. The hospital wastewater sources include sinks, floor drains, showers, toilets, dish and laundry washing machines and tubs. The treated wastewater is directly discharged to a nearby creek. The DEWATs performance is monitored by DEWATS experts and effluent quality is analyzed on a regular basis.


Image: Iloilo Mission Hospital Wastewater Treatment Plant

Countries of activity

Location of main activity

Further information

Project development support came from:

- Bremen Overseas Research and Development Association (BORDA)
- German Ministry for Economic Cooperation and Development (BMZ)

In partnership with Basic Needs Services Philippines Incorporated (BNS-Phils. Inc.)

Contact information

Jennibelle Lyka C. Kesip
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Filter tags

Decentralised wastewater treatment (e.g. DEWATS) East Asia & Pacific Health and hygiene International NGO Operation, maintenance and sustainable services Other funding source or unspecified Politicians and local decision makers Practitioners Product design and engineering Specific to one or several countries Treatment of faecal sludge Treatment of wastewater or greywater

Bremen Overseas Research and Development Association

BORDA e.V. (Bremen Overseas Research & Development Association) is a German non-governmental organisation, headquartered in Bremen with a network of local partner organisations in more than 20 countries worldwide. Since founded in 1977, BORDA is active in the fields of poverty alleviation, sustainable protection of natural resources and the develops, implements and disseminates decentralised sustainable technologies and social measures for water, wastewater, energy and waste. Currently BORDA is focusing on decentralized sanitation solutions for the poor in peri-urban and urban areas in Africa, Asia and Latin America. To increase access to improved sanitation, BORDA provides demand oriented service packages including decentralised wastewater management solutions (DEWATS) and decentralised solid waste management (DESWAM). BORDA has regional offices in Tanzania, India, Jordan, Indonesia and Mexico. BORDA is mainly supported by the Federal German Ministry for Economic Cooperation & Development (BMZ) and the Hanseatic City of Bremen.

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