Tertiary Water & Wastewater Treatment Equipment Market in Thailand

Tertiary Water & Wastewater Treatment Equipment in Thailand Trends and Forecast

The future of the tertiary water & wastewater treatment equipment market in Thailand looks promising with opportunities in the municipal and industrial markets. The global tertiary water & wastewater treatment equipment market is expected to grow with a CAGR of 5.1% from 2025 to 2031. The tertiary water & wastewater treatment equipment market in Thailand is also forecasted to witness strong growth over the forecast period. The major drivers for this market are the water scarcity/lack of freshwater resources, the growth in industrial water consumption & discharge, and the increasing government initiatives to provide safe drinking water.
• Lucintel forecasts that, within the equipment category, the filter segment is expected to witness the highest growth over the forecast period due to its ability to eliminate any remaining suspended contaminants from the wastewater.

Emerging Trends in the Tertiary Water & Wastewater Treatment Equipment Market in Thailand

Thailand is actively improving its water infrastructure to meet rising urban demand, manage pollution from agriculture and industry, and reduce freshwater dependency. Tertiary water treatment systems are gaining traction as the country pursues water reuse, flood resilience, and compliance with environmental regulations. Innovation is reshaping the landscape through decentralized technologies, compact reuse systems, and enhanced contaminant removal. Thailand’s alignment with regional sustainability goals, paired with growing private and public investments, is accelerating the adoption of next-generation tertiary equipment across various sectors.

• Decentralized Reuse Systems for Industrial Parks: Thailand is adopting decentralized tertiary treatment systems in industrial parks to support on-site water reuse. These systems, featuring ultrafiltration and chemical polishing units, enable facilities to treat and recycle wastewater for non-potable uses such as cooling and cleaning. This trend is driven by water supply risks in regions like the Eastern Economic Corridor. It offers cost savings, reduces environmental discharge, and aligns with Thailand’s push for eco-industrial zone certification under national environmental initiatives.
• Tourism Sector Compliance-Driven Upgrades: Hotels and resorts in coastal provinces such as Phuket and Krabi are upgrading their tertiary systems to meet new environmental regulations and boost sustainable tourism credentials. Installations often include membrane bioreactors and UV disinfection for greywater reuse in landscaping and sanitation. These upgrades reduce freshwater demand, improve wastewater quality, and help tourism operators gain green certification. As sustainable tourism grows, this trend is expanding opportunities for compact and efficient tertiary solutions.
• Emergence of Compact Tertiary Solutions in Urban Housing: With growing urban density in Bangkok and Chiang Mai, real estate developers are incorporating compact tertiary systems in residential buildings. These systems treat greywater for toilet flushing and garden irrigation. MBRs, chlorination, and sand filters are commonly used to meet urban reuse standards. The trend supports water conservation, reduces load on municipal treatment, and responds to consumer demand for eco-conscious housing developments.
• High-Strength Effluent Treatment in Food Processing: Thailand’s food processing industry, particularly in seafood and starch sectors, is adopting tertiary systems capable of handling high-strength effluent. Advanced oxidation and nutrient removal technologies help these facilities meet discharge standards and support water reuse in process operations. This trend is driven by pressure from export markets and tighter national effluent regulations. It enables producers to maintain environmental compliance while enhancing operational efficiency and brand sustainability.
• Wet Season Overflow Management via Polishing Units: During the rainy season, wastewater systems face overflow risks due to stormwater intrusion. Thailand is deploying tertiary polishing units at municipal plants to manage intermittent flow surges while maintaining effluent quality. These units, including sand filtration and chemical disinfection modules, help prevent untreated discharge into natural water bodies. This approach strengthens climate resilience, protects ecosystems, and aligns with Thailand’s integrated flood and wastewater management strategies.

Thailand’s tertiary water & wastewater treatment equipment market is evolving through localized reuse, tourism-sector innovation, and industrial adaptation. These trends are promoting more resilient, efficient, and sustainable wastewater management practices. As the country faces both environmental and infrastructure challenges, these shifts will drive demand for decentralized, compact, and high-performance tertiary treatment solutions across multiple sectors.

Recent Developments in the Tertiary Water & Wastewater Treatment Equipment Market in Thailand

Thailand is actively upgrading its tertiary water & wastewater treatment equipment infrastructure in response to increasing environmental regulation, economic development, and regional sustainability initiatives. Recent efforts include municipal retrofits, industrial water reuse investments, and government-backed decentralization programs. These developments aim to enhance wastewater quality, reduce freshwater dependency, and support long-term environmental health. Stronger enforcement, public-private partnerships, and international collaborations are accelerating the adoption of advanced equipment and treatment methods across both urban and rural settings.

• Eastern Economic Corridor Water Reuse Initiative: Thailand’s EEC region has launched a large-scale water reuse initiative involving tertiary upgrades at key industrial clusters. The program includes membrane filtration and nutrient polishing technologies to produce high-quality recycled water for industrial cooling. Backed by BOI incentives, the project aims to cut freshwater withdrawals by over 30 percent, enhancing water security and industrial sustainability in a region facing rapid growth and environmental pressure.
• Bangkok WWTP Capacity Expansion with AOP Modules: Bangkok has expanded its wastewater treatment capacity by adding tertiary AOP (advanced oxidation process) modules at key municipal plants. These modules remove pharmaceuticals and micro-pollutants not addressed by conventional systems. The development improves effluent quality for discharge into the Chao Phraya River, supporting downstream reuse and aquatic health. It demonstrates Bangkok’s commitment to meeting future water quality targets through high-end equipment integration.
• New Decentralized Treatment Pilot for Rural Schools: Thailand’s Department of Environmental Quality Promotion has piloted decentralized tertiary systems in rural schools across the Northeast. Compact modular units treat greywater for toilet flushing and gardening. The project uses low-energy filtration and UV disinfection, offering a replicable model for community-scale water reuse. This development promotes water literacy, hygiene, and sustainability in underserved regions.
• Private Sector Investment in Industrial Reuse: Thai conglomerates in the beverage and chemicals sectors are investing in in-house tertiary systems to recover process water. Facilities in Chonburi and Rayong are deploying MBRs and polishing filters to treat effluent for reuse, supported by corporate sustainability goals. These systems reduce water bills, mitigate supply risk, and ensure regulatory compliance. This development signals growing private-sector demand for resilient water infrastructure.
• Collaboration with JICA for Coastal Wastewater Solutions: Thailand has partnered with Japan’s JICA to develop tertiary systems for coastal wastewater management in Samut Prakan and Songkhla. The project focuses on nutrient removal and polishing to protect marine ecosystems. Equipment upgrades are supported by Japanese technical expertise and funding. This collaboration enhances Thailand’s capacity to meet marine discharge standards and expand international cooperation in environmental protection.

Thailand’s recent developments highlight a multi-sector commitment to modernizing wastewater infrastructure. From urban capacity upgrades to decentralized rural solutions and international partnerships, the country is investing in resilient and efficient tertiary systems. These initiatives are improving effluent quality, enabling water reuse, and advancing Thailand’s environmental and economic sustainability objectives.

Strategic Growth Opportunities for Tertiary Water & Wastewater Treatment Equipment Market in Thailand

Thailand is enhancing its water and wastewater management systems to meet environmental goals and cope with rising urbanization, industrial activity, and climate-related stress. The government and private sectors are focusing on advanced treatment solutions to improve water reuse, maintain ecological balance, and support economic zones. Tertiary water treatment equipment plays a vital role across various sectors, including cities, agriculture, tourism, and manufacturing. These applications offer scalable growth opportunities driven by national policy, infrastructure gaps, and sustainability commitments.

• Urban Reuse in Bangkok and Metropolitan Regions: Urban centers like Bangkok face water stress due to population growth and rising demand. Tertiary systems are being installed to support reuse in landscaping, flushing, and industrial processes. Municipalities are upgrading existing treatment facilities with polishing technologies such as filtration, UV disinfection, and chlorination. This application helps reduce dependence on freshwater, manage peak demand, and meet urban sustainability targets. Compact, energy-efficient, and easily integrated systems are in demand, especially those that work within existing infrastructure constraints in dense urban environments.
• Agricultural Reuse in Water-Stressed Provinces: Thailand’s agricultural regions, particularly in the Central and Northeastern provinces, are adopting tertiary-treated wastewater for irrigation. With freshwater availability declining, farmers are using nutrient-filtered effluent for crops, supported by government-backed reuse initiatives. Tertiary systems that remove pathogens while preserving essential nutrients are ideal. These systems boost water availability, reduce chemical usage, and sustain crop yields. The opportunity favors modular, low-cost technologies that function reliably in rural settings and offer scalable deployment to farmer cooperatives and district-level treatment centers.
• Tourism Sector Sustainability in Island and Coastal Areas: Tourism hubs like Phuket and Koh Samui are under pressure to reduce their water footprint and meet eco-certification requirements. Resorts and municipalities are implementing tertiary systems to recycle greywater for landscaping and toilet flushing. Membrane-based and chlorination units are widely used in decentralized setups. This supports branding as eco-friendly destinations while lowering utility costs. Growth opportunities are strong for compact, easy-to-maintain equipment that ensures safe reuse and meets high seasonal demand fluctuations in hospitality environments.
• Industrial Water Recycling in Eastern Economic Corridor (EEC): Thailand’s EEC region hosts major automotive, electronics, and petrochemical industries. These sectors require strict wastewater control and efficient water reuse. Tertiary treatment enables recycling for cooling, cleaning, and production needs. Technologies such as advanced oxidation, membrane filtration, and nutrient removal are widely deployed. As industries pursue green manufacturing goals, demand is growing for high-efficiency, customizable systems capable of treating varied industrial effluents. Equipment providers offering compliance-ready, high-throughput solutions can capture sustained growth.
• Smart Cities and Urban Sustainability Programs: Thailand is launching smart city projects in areas like Phuket, Chiang Mai, and Chonburi. These programs include integrated water management with tertiary wastewater reuse. Closed-loop systems for residential and commercial buildings are equipped with compact treatment units, automation, and remote monitoring features. These initiatives align with green building standards and national digital infrastructure policies. The opportunity favors suppliers of digital-enabled tertiary systems that can support distributed deployment, data integration, and remote maintenance.

Thailand’s tertiary water & wastewater treatment equipment market is expanding as cities, farms, resorts, and factories seek sustainable water management. Reuse for irrigation, tourism, and industrial recycling is driving demand for efficient, modular, and automated systems. With strong government backing and environmental pressure, the market offers diverse application-based opportunities that align with national development and sustainability goals.

Tertiary Water & Wastewater Treatment Equipment Market in Thailand Driver and Challenges

Thailand’s tertiary water & wastewater treatment equipment market is driven by policy reforms, industrial growth, climate challenges, and public health concerns. Government strategies encourage water reuse, while economic zones require efficient treatment systems. Advanced technologies and digital infrastructure are also promoting adoption. However, challenges such as cost sensitivity, infrastructure limitations, and workforce gaps persist. Understanding these drivers and obstacles is key to achieving broader market penetration and long-term adoption of tertiary water technologies in Thailand.

The factors responsible for driving the tertiary water & wastewater treatment equipment market in Thailand include:
• Government Policies Promoting Water Reuse and Pollution Control: Thailand’s National Water Resources Committee is pushing initiatives for wastewater reuse and stricter discharge control. Regulations under the Enhancement and Conservation of National Environmental Quality Act mandate improved effluent quality. Public utilities and private entities are incentivized to install tertiary systems that meet these standards. This regulatory environment is a strong driver, creating opportunities for suppliers offering equipment that ensures chemical, microbial, and nutrient removal with proven compliance.
• Rapid Urbanization and Wastewater Load Growth: Urban expansion in Thailand is increasing wastewater generation, especially in Bangkok, Chiang Mai, and Rayong. Municipal systems are often overwhelmed, creating a need for tertiary upgrades to ensure safe discharge and reuse. Urban population growth supports demand for compact, modular systems that can retrofit into space-limited facilities. This driver also increases the appeal of decentralized solutions that reduce pressure on centralized systems and enable local water recycling.
• Industrial Development and Eco-Friendly Manufacturing Trends: Thailand’s focus on becoming a regional production hub is promoting clean manufacturing practices. Export-oriented sectors are adopting tertiary systems to meet global environmental standards. Water reuse reduces operational costs and aligns with ESG mandates from foreign investors. This industrial push boosts demand for high-performance tertiary systems capable of handling variable, often complex, wastewater streams in sectors like food processing, electronics, and automotive.
• Tourism Sector Demand for Environmental Certification: Eco-labels and sustainability ratings are influencing infrastructure investments in Thailand’s tourism sector. Hotels and resorts are installing tertiary systems to meet certification criteria and reduce environmental impact. Coastal destinations with water scarcity issues are also prioritizing reuse. This driver generates demand for decentralized, aesthetic, and quiet-operation systems that integrate easily with existing property layouts while ensuring water quality and health safety.
• Integration with Smart Technologies and Monitoring Systems: Thailand is adopting smart infrastructure for utility management. Tertiary systems with IoT-enabled monitoring, remote diagnostics, and automated controls are increasingly preferred. Integration with smart city platforms ensures performance tracking and regulatory compliance. This digital shift encourages adoption of advanced equipment that supports remote operation, predictive maintenance, and energy optimization, creating growth potential for technology-driven suppliers.

Challenges in the tertiary water & wastewater treatment equipment market in Thailand are:
• High Initial Cost and Limited Budget Allocation: Tertiary systems involve higher capital investment and maintenance compared to primary or secondary systems. Municipalities and small industries often lack funds or hesitate to commit large upfront budgets. Even with incentives, limited financial capacity slows procurement. This challenge favors suppliers offering cost-efficient technologies, leasing models, or performance-based contracting that minimizes financial barriers.
• Aging Infrastructure in Existing Treatment Plants: Thailand’s older treatment plants are often unsuitable for direct tertiary upgrades due to outdated designs and limited space. Retrofitting requires additional civil works and system reconfiguration, which raises costs and delays implementation. Equipment vendors must offer flexible, compact systems that can be integrated into existing networks with minimal disruption and customized solutions for legacy facilities.
• Shortage of Skilled Operators and Technical Staff: Operation of tertiary systems requires trained personnel, particularly for membrane-based and digital units. Smaller municipalities and remote areas lack skilled workers, leading to underperformance or system downtime. This challenge can be addressed by providing automation, user-friendly interfaces, and remote monitoring tools that reduce reliance on skilled labor and ensure consistent performance.

Thailand’s tertiary water & wastewater treatment equipment market is gaining momentum through regulatory reforms, economic modernization, and smart city development. While financial and operational challenges persist, strong government support and rising demand for water reuse are driving market growth. With scalable applications in urban, industrial, and tourism sectors, the market offers long-term opportunity for suppliers providing adaptable, cost-effective, and intelligent treatment solutions.












Tools

List of Tertiary Water & Wastewater Treatment Equipment Market in Thailand Companies

Companies in the market compete on the basis of product quality offered. Major players in this market focus on expanding their manufacturing facilities, R&D investments, infrastructural development, and leverage integration opportunities across the value chain. Through these strategies, tertiary water & wastewater treatment equipment companies cater to increasing demand, ensure competitive effectiveness, develop innovative products & technologies, reduce production costs, and expand their customer base. Some of the tertiary water & wastewater treatment equipment companies profiled in this report include:
• Company 1
• Company 2
• Company 3
• Company 4
• Company 5

Tertiary Water & Wastewater Treatment Equipment Market in Thailand by Segment

The study includes a forecast for the tertiary water & wastewater treatment equipment market in Thailand by equipment and application.

Tertiary Water & Wastewater Treatment Equipment Market in Thailand by Equipment [Analysis by Value from 2019 to 2031]:

• Tertiary Clarifier
• Filter
• Chlorination Systems

Tertiary Water & Wastewater Treatment Equipment Market in Thailand by Application [Analysis by Value from 2019 to 2031]:

• Municipal
• Industrial
• Others

Features of the Tertiary Water & Wastewater Treatment Equipment Market in Thailand

Market Size Estimates: Tertiary water & wastewater treatment equipment in Thailand market size estimation in terms of value ($B).
Trend and Forecast Analysis: Market trends and forecasts by various segments.
Segmentation Analysis: Tertiary water & wastewater treatment equipment in Thailand market size by equipment and application in terms of value ($B).
Growth Opportunities: Analysis of growth opportunities in different equipment and application for the tertiary water & wastewater treatment equipment in Thailand.
Strategic Analysis: This includes M&A, new product development, and competitive landscape of the tertiary water & wastewater treatment equipment in Thailand.
Analysis of competitive intensity of the industry based on Porter’s Five Forces model.

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FAQ

Q1. What are the major drivers influencing the growth of the tertiary water & wastewater treatment equipment market in Thailand?
Answer: The major drivers for this market are the water scarcity/lack of freshwater resources, the growth in industrial water consumption & discharge, and the increasing government initiatives to provide safe drinking water.
Q2. What are the major segments for tertiary water & wastewater treatment equipment market in Thailand?
Answer: The future of the tertiary water & wastewater treatment equipment market in Thailand looks promising with opportunities in the municipal and industrial markets.
Q3. Which tertiary water & wastewater treatment equipment market segment in Thailand will be the largest in future?
Answer: Lucintel forecasts that filter segment is expected to witness the highest growth over the forecast period due to its quality of eliminating any remaining suspended contaminants from the wastewater.
Q4. Do we receive customization in this report?
Answer: Yes, Lucintel provides 10% customization without any additional cost.

This report answers following 10 key questions:

Q.1. What are some of the most promising, high-growth opportunities for the tertiary water & wastewater treatment equipment market in Thailand by equipment (tertiary clarifier, filter, and chlorination systems), and application (municipal, industrial, and others)?
Q.2. Which segments will grow at a faster pace and why?
Q.3. What are the key factors affecting market dynamics? What are the key challenges and business risks in this market?
Q.4. What are the business risks and competitive threats in this market?
Q.5. What are the emerging trends in this market and the reasons behind them?
Q.6. What are some of the changing demands of customers in the market?
Q.7. What are the new developments in the market? Which companies are leading these developments?
Q.8. Who are the major players in this market? What strategic initiatives are key players pursuing for business growth?
Q.9. What are some of the competing products in this market and how big of a threat do they pose for loss of market share by material or product substitution?
Q.10. What M&A activity has occurred in the last 5 years and what has its impact been on the industry?
For any questions related to Tertiary Water & Wastewater Treatment Equipment Market in Thailand, Tertiary Water & Wastewater Treatment Equipment Market in Thailand Size, Tertiary Water & Wastewater Treatment Equipment Market in Thailand Growth, Tertiary Water & Wastewater Treatment Equipment Market in Thailand Analysis, Tertiary Water & Wastewater Treatment Equipment Market in Thailand Report, Tertiary Water & Wastewater Treatment Equipment Market in Thailand Share, Tertiary Water & Wastewater Treatment Equipment Market in Thailand Trends, Tertiary Water & Wastewater Treatment Equipment Market in Thailand Forecast, Tertiary Water & Wastewater Treatment Equipment Companies, write Lucintel analyst at email: helpdesk@lucintel.com. We will be glad to get back to you soon.