With expertise in green project design and wastewater management, WTA offers services in water supply, sanitation, flood management, and WASH emergencies. Water Technical Assistance (WTA) is a Lao-registered consulting firm specializing in water and environmental engineering. With a multinational, multidisciplinary team, we deliver sustainable solutions for complex projects — from infrastructure t
o emergency response in conflict or disaster zones. Our services include:
Water Supply: Feasibility studies, master plans, design, rehabilitation, non-revenue water audits, leak mitigation, borehole drilling, groundwater development, GIS mapping, hydraulic modeling. Wastewater & Sewerage: Design and upgrading of treatment plants, urban and peri-urban sludge management, reuse strategies, environmental assessments. Stormwater & Drainage: Urban drainage, stormwater catchment management, flood mitigation, modeling. Sanitation & Hygiene (WASH): Urban/rural sanitation planning, pro-poor strategies, tariff studies, fecal sludge solutions, emergency sanitation for camps and detention centers. Irrigation & Flood Control: Rural irrigation design, water conservation, flood risk reduction. Technical Assistance & Capacity Building: Institutional support, training, O&M strategies, project management. Business Planning: Fundraising, financing, institutional strengthening. Green Solutions: Solar integration, sludge-to-fertilizer, nature-based systems. Emergency & Conflict Response:
WTA provides rapid WASH services for crisis-affected areas: emergency water supply, infrastructure repair, mobile sanitation, detention center WASH, project coordination, and training under security constraints. Clients: Governments, utilities, donors (EU, ADB, AFD, UN, ICRC), NGOs, communities. HQ: Laos — with operations across Asia, Europe, Middle East and Africa
