Wastewater Irrigation: The State of Play

Wastewater Irrigation : the State of Play

As competition among industrial, agricultural, urban and environmental sectors for freshwater intensifies, wastewater is frequently being seen as a valuable resource rather than mere waste. Furthermore, wise reuse of this water alleviates environmental concerns attendant with its discharge to coastal environments and inland waterways. Globally, around 20 million ha of land are irrigated with wa...

Irrigation with Recycled Wastewater: The NDMA Story

BACKGROUND The scarcity of water supply in many arid regions, combined with the need for disposal of large volumes of wastewater, has led to an increased use of recycled water for landscape irrigation. Although this practice has been employed for decades in many parts of the world, public health officials recently have begun to express concerns about the potential for wastewater-derived trace c...

4 Wastewater Irrigation: Hubli-dharwad, India

Within the twin city of Hubli-Dharwad approximately 60 million l of wastewater is generated every day: this flows, untreated, from sewers and wastewater nallas (open drains) into the natural watercourses that flow into the city’s hinterland (Hunshal et al. 1997). In the semi-arid climate, where the summer temperatures exceed 35 degrees centigrade and the monsoon rains are erratic and unreliable...

Municipal Wastewater Irrigation for Rice Cultivation

In scene of worrisome water shortage, municipal wastewater has been gradually accepted as an alternative water resource containing important nutrients for irrigation. Rice cul‐ tivation, which is one of the main crops feeding global population and requires plenty of water for its effective growth, has been often irrigated by municipal wastewater in many countries. While irrigation of municipal ...

Wastewater Treatment and Reuse for Irrigation