“Water, water, everywhere, nor any drop to drink,” so goes the old saying. But not in Shanghai. Here at Qingcaosha, we’ve turned that saying on its head.
Qingcaosha is more than just a reservoir. It is a lifeline for millions. This reservoir quenches the thirst of about 70 percent of Shanghai’s population.
In a city as vast and rapidly developing as Shanghai, water can be a precious commodity. For years, Shanghai struggled with water quality. Only a tiny fraction of the city’s water was clean enough to drink. The Huangpu River, a major source, faced heavy pollution.
But Shanghai took action. The city invested billions to build the Qingcaosha Reservoir on Changxing Island. This massive reservoir spans about 70 square kilometers. That makes it roughly 10 times larger than Hangzhou’s famous West Lake.
Since opening in 2010, Qingcaosha has transformed Shanghai’s water supply. It draws water from the depths of the Yangtze River. This water is less polluted than that near the river’s edges. The reservoir also features green wetlands. These wetlands naturally cleanse the water. They also provide habitats for birds and fish.
The water here is significantly purer than the water from the Yangtze or Huangpu. Still, managing such a large body of water isn’t without challenges. Algae outbreaks sometimes occur due to phosphorus and nitrogen levels in the Yangtze. To combat this, the Shanghai Municipal Water Authority has released chub and carp into the reservoir. These fish help control the algae population.
Qingcaosha is also under close guard. Police patrol the area using helicopters, speedboats, and foot patrols. They are looking out for illegal fishing.
The Qingcaosha Reservoir reflects Shanghai’s commitment to providing clean water. It also shows the city’s dedication to improving its infrastructure. This project ensures that millions of residents have access to safe drinking water. It is a vital resource for Shanghai’s continued growth. Qingcaosha helps guarantee a healthier future for all.