Overview activities in asia

width=480Safe and reliable water supply and irrigation systems, along with farming improvements at the grass-roots level, are of great importance in Asia. As such, TAHAL’s solutions in Asia include the training of users who will manage and operate local systems as well as the advancement of gender issues.

TAHAL first started working in Asia in the 1960s and launched its operations in India in 1992. Today the company maintains branch offices in three growing markets – India, Thailand and Sri Lanka – to strengthen its regional presence.



The Rural Water Supply & Sanitation Department, Karnataka (RWSSD Karnataka) is responsible for supplying drinking water to over 130 villages in a timely and cost-effective manner. The project required the laying of some 600 kilometers of pipeline in rural regions, including during the monsoon season
Read More

River Basin Assessment & Planning System – Lucknow, Uttar Pradesh (UP), India

SWaRA Uttar Pradesh was created in 2001 for improved planning, managing and allocating of water resources. SWaRA realized that it required an integrated approach to overcome problems of poor water management and a lack of coordination among the many stakeholders in the region involved in water supply and usage.
Read More

Xuanhua Wastewater Treatment & Water Reuse – Transfer-Operate-Transfer (TOT) Project

Serving local population of 320,000 and all nearby industries, with current capacity of 120,000 m3/day (WWTP) and 120,000 m3/day recycled water, meeting Class IA effluent standards.
Read More

Dazhou Water Treatment & Wastewater Treatment Project (BOO)

Dazhou Water Treatment Plant (WTP) – current capacity of 100,000 m3/day, expected to increase by an additional 50,000 m3/day in Phase II (2014), and an additional 100,000 m3/day around 2020.
Read More

Northeast Irrigation Project, Stage II – Lam Pao, Lam Takhong and Nam Pong

Design and construction supervision of irrigation & drainage systems for 70,000 ha, as follow-up to feasibility study carried out by TAHAL. Included review of existing plans; surveys; pedological and hydrological studies to determine flood control requirements; and detailed design & tender documents.
Read More

Bhairawa-Lumbini Groundwater Irrigation Project

Feasibility study, design, construction supervision and study of institutional/legal aspects in development of groundwater resources for both, dry season and supplementary monsoon season irrigation. Included drilling of 79 tubewells over 20,600 ha, formulation of institutional framework and WUA establishment.
Read More

Development of Water Resources of Kalu Ganga Basin including Flood Protection

Prefeasibility study for flood protection of Kalu Ganga Basin and feasibility study for construction of 70 m high multipurpose Ratnapura Dam for flood protection and hydropower. Included installation/calibration of SOBEK flood control model, field investigations and tender document preparation.
Read More

Urban Water Supply, Storm Water Drainage, Underground Sewerage & Road Restoration

Guwahati Metropolitan Development Authority Description: Development of urban water supply, sewerage & drainage systems for 260 km2 area. Includes water treatment plants, pipelines, storage reservoirs and collection, treatment & disposal of domestic/industrial wastewater.
Read More

Water Resources Planning for the State of Rajasthan

Statewide master plan for water resource management/development, including improvement of data collection/processing; groundwater, artificial recharge and conjunctive use studies; equipment procurement; training; and technical assistance.
Read More

Yaylak Plain Agricultural Irrigation – Anatolia, Turkey

TAHAL carried out design, engineering, management, cost and budget control, construction and coordination services for the entire irrigation system. Water from the Atatürk Dam was conveyed via an existing tunnel to a newly constructed main pumping station...
Read More