Industrial water pollution

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Water pollution was negatively associated with mental and physical health in China.

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The common pollutants in industrial wastewater had differential impacts on mental and physical health.

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Water pollution more significantly affected mental and physical health among low-income people.

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Water environment treatment led to improved health outcomes among Chinese people.

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关键词：Industrial ndustrial Pollution trial water China industrial physical Chinese health

The negative health effects of water pollution remain a major source of morbidity and mortality in China.

The Chinese government is making great efforts to strengthen water environment treatment; however, no studies have evaluated the effects of water treatment on human health by water pollution in China.

This study evaluated the association between water pollution and health outcomes, and determined the extent to which environmental regulations on water pollution may lead to health benefits.

Data were extracted from the 2011 and 2013 China Health and Retirement Longitudinal Study (CHARLS).

Random effects model and random effects Logit model were applied to study the relationship between health and water pollution, while a Mediator model was used to estimate the effects of environmental water treatment on health outcomes by the intensity of water pollution.

Unsurprisingly, water pollution was negatively associated with health outcomes, and the common pollutants in industrial wastewater had differential impacts on health outcomes.

The effects were stronger for low-income respondents. Water environment treatment led to improved health outcomes among Chinese people.

Reduced water pollution mediated the associations between water environment treatment and health outcomes. The results of this study offer compelling evidence to support treatment of water pollution in China.

Since the 1970s, China has experienced dramatic environmental degradation, including water pollution, as a by-product of rapid economic development and industrialization (Ministry of Environmental Protection, 2015). Pollutant discharge causes widespread organic pollution, toxic pollution, and eutrophication, along with severe ecological destruction (Miao et al., 2012). For example, the latest review showed that the Tonghui River and Guanting Reservoir of Beijing, Minjiang River Estuary and Wuchuan River in China had comparatively higher ranges and mean values of dichlorodiphenyltrichloroethanes (DDTs) and hexachlorocyclohexanes (HCHs) in water (Ahmed et al., 2015). Concurrent with the water pollution, the country has also experienced an increase in health risks (Lu et al., 2015). Approximately 190 million people fall ill and 60,000 people die from a range of other diseases and injuries associated with water pollution each year (Tao and Xin, 2014).