Department of Engineering Geology and Hydrogeology of the RWTH Aachen University

Category Archives: Urbanisation and Water

Water supply situation in Chennai

Water Demand - Water Supply

Chennai’s water situation is severe. The capital city of the southern state Tamil Nadu represents the fourth largest metropolitan area in India accounting for a population of 8.7 million in 2011. Due to rapid population growth, difficulties regarding the provision of water demands have been arising. Extreme weather conditions during past years such as dry periods and heavy rainfalls increased the impact on the water supply infrastructure systems. Additionally, the risk of salt water intrusion exists due to the coastal location. Read more »

Working in the slum area of Nandagiri Hills (Hyderabad)


I’m staying here in Hyderabad for around 2 months now. Incredible how time runs. A lot of things happened –good things as well as some bad things. I got a lot of routine in my everyday life – and this for example helps to succeed in the negotiations with the rickshaw drivers. After my experience at the TKD class, I would like to share another positive experience – my work in the slum area of Nadagiri Hills.

Read more »

The Sulabh International Museum of Toilets


On Wednesday 19th 2014 the second annual World Toilet Day was celebrated. It is backed by the United Nations and intends to raise awareness about the 2.5 billion people worldwide who still don’t have access to improved sanitation services. Read more »

The History of Water Supply in Varanasi

Groundwater Well in the Trans-Varuna Area in Varanasi

As you may know from previous posts, Varanasi is respected as the oldest inhabited city of the world with a continuous settlement for about 3,000 years. However, the most recent development in the 20th century has led to several problems regarding the water supply of the city´s population. The following article will outline the history of water supply in Varanasi. Read more »

Wastewater Treatment in Hyderabad


Hyderabad has a population of about 7 million inhabitants. All of them consuming water for washing, toilet, and drinking, each day. In addition to the domestic need for water, the local industry also has a high demand for water for industrial production.

Read more »