Water Quality and Environmental Health in Southern China A BSR Forum | May 15, 2009 | Guangzhou, China Laura Ediger, Environmental Manager Linda Hwang, Environmental Research & Innovation July 2009 www.bsr.org About this Report This report is a summary of the first of two forums hosted by BSR to discuss the links between human health, water quality, and ecosystem health in China, and identify roles and responsibilities among invited stakeholders. In June 2008, BSR received funding from the Rockefeller Brothers Fund to initiate a two-year project focusing on water quality and environmental heath in southern China. This first forum was held on May 15, 2009, in Guangzhou and was attended by nearly 60 registrants representing business, civil society, government, and public health. Please direct comments or questions to Laura Ediger at [email protected]. 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BSR | Water Quality and Environmental Health in Southern China 1 Contents 3 Introduction 4 Water Quality and Health Sources of Water Pollution Regulatory Environment Water-Quality Status Impacts on Human Health 8 Business and Water Management Effective Wastewater Management From Shared Risks to Shared Benefits 9 Water and Environmental Health Project in Southern China Project Objective and Main Activities 10 BSR Forum: Water Quality and Environmental Health Overview of Speakers and Topics Challenges Solutions 13 Next Steps BSR | Water Quality and Environmental Health in Southern China 2 Introduction The Pearl River Delta in southern China combines abundant freshwater resources and high population density with one of the most intensive export manufacturing zones in the world. The rapid development of the area over the last 20 years has created a similar boom in water pollution discharge, which provincial environmental protection officials have been scrambling to contain. Increasingly stringent water protection regulations and pollution discharge standards have set a high bar for companies operating in the region, but environmental protection officials have struggled to effectively enforce them. The reliance of a large population on these polluted water resources has significant implications for public health and the risk of both infectious and chronic diseases. Health officials are focused on the immediate need for providing safe drinking water to the millions of rural residents who either cannot access it or who cannot afford it, but the contaminated water being used for human consumption, industry, and agriculture also has a number of less-visible effects. Even as official data show that the water quality in the region has improved, a number of challenges remain. Despite steady investment in treatment plants, the current infrastructure used to treat municipal wastewater is insufficient, and 50 percent of sewage is left untreated. Meanwhile, the local economy is still heavily dependent on certain highly polluting industries, and in the face of slowed economic growth, there have been reports that enforcement of environmental standards for industrial wastewater has eased. As China attempts to balance the demands for economic stimulus against the need for environmental protection, how much progress is made in the ongoing struggle to clean up the country’s polluted waterways will be a key indicator of success. BSR | Water Quality and Environmental Health in Southern China 3 Water Quality for Water Quality and Health Ecosystem and Human Sources of Water Pollution Health Along with air pollution, the high levels of water pollution resulting from intensive industrial There are many challenges to development in parts of southern China are raising increasing concerns about public effectively controlling water health impacts in the densely populated region. Although some of the most egregious pollution for improved human pollution sources have been reduced or eliminated, often due to the relocation of health: manufacturing operations to less-developed parts of China,1 a core group of high-polluting industries remain a cause of concern. In a recent monitoring project, the Guangdong » Water pollution in China has Environmental Protection Bureau (EPB) targeted electroplating, textile dyeing, chemical been linked to increased production, tanneries, and poultry farms as some of the industries producing the highest chronic and infectious disease, levels of pollutants.2 causing negative social and economic impacts. Challenges remain, as corruption is widespread and government officials often prioritize » Governments, businesses, the interests of the local economy over the local environment. However, provincial and and civil society want a national level oversight and enforcement has helped to bring gradual progress on sustainable clean water supply industrial pollution. Guangdong’s position as a relatively well-off province, accounting for that enables economic growth around one-third of foreign trade and one-eighth of China’s GDP, endows it with the and social development. resources to invest in upgrading enforcement capacity and the luxury of being selective » Businesses and consumers regarding its industrial base. lack sufficient and reliable data, government enforcement Although heavy metals and toxic organic chemicals are a continued concern, of regulations is limited, and contamination sources are increasingly shifting to non-point-source pollution such as incentives for improving water runoff from agricultural production. The average level of fertilizer use in Guangdong is quality are flawed. nearly 600 kilograms per hectare (kg/ha), far higher than the 225 kg/ha that is the limit set in some developed countries.3 In addition to the excess fertilizers and pesticides that flow » The private sector and civil into rivers and seep into groundwater, untreated domestic sewage contributes to high society have an opportunity to nutrient levels and eutrophication, a state of excessive plant growth that reduces dissolved support enforcement and oxygen in water. Not only is this state of low oxygen harmful to aquatic ecosystems, it also awareness by means of can directly impact human health by causing the production of toxins that promote liver communications and training, 4 cancer. and through creative project design and implementation. Even as there are slow improvements in industrial wastewater treatment, the infrastructure for treatment of domestic sewage is inadequate in both geographical coverage and capacity. As of 2007, Guangdong was treating only 50 percent of the province’s domestic sewage5, and 45 medium-sized cities were completely lacking any wastewater treatment facilities.6 By mid-2009, there were a total of 175 wastewater treatment plants in operation, and the government is continuing to build additional facilities in a bid to keep pace with escalating demand.7 1 “Guangdong pollution levels fall.” People’s Daily Online, February 12, 2009. Available at http://english.people.com.cn/90001/6590745.html. 2 “Guangdong checks high-polluting industries in ‘Two Rivers’ area.” China Environment News, June 17, 2009. Available at www.csid.com.cn/NewsInfo.asp?NewsId=107315. 3 Guangdong Environmental Science Research Institute presentation, BSR Forum on Water Quality and Environmental Health in Southern China, May 15, 2009, Guangzhou. 4 Ibid. 5 “Guangdong has completed construction of 160 wastewater treatment plants.” Xinhua, December 23, 2008. Available at http://shui.shejis.com/zxzx/xygc/200812/article_11710.html. 6 “45 cities in Guangdong have 0% wastewater treatment.” Information Times, October 14, 2008. Available at http://shui.shejis.com/zxzx/hyxw/200810/article_10143.html. 7 “To strengthen pollution reduction efforts, Guangdong seeks an outlet for wastewater treatment sludge.” Guangdong Environmental Protection Bureau, June 4, 2009. Available at www.gdepb.gov.cn/tpxw/200906/t20090604_62604.html. BSR | Water Quality and Environmental Health in Southern China 4 Regulatory Environment The physical challenge of building sufficient infrastructure is immense, as is the regulatory effort to protect water bodies, limit pollutant discharge, and monitor drinking water quality and public health impacts. As in many other countries, regulation of these intersecting issues in China is confounded by the complicated division of responsibility among many different agencies (Table 1). For example, while the Ministry of Environmental Protection has the mandate to protect surface water bodies and can issue pollution permits, the Ministry of Construction manages municipal wastewater treatment, and the Ministry of Health sets drinking water standards. Thus,