No. Straight piping—discharging untreated wastewater directly into waterways—violates Thailand’s Water Act B.E. 2561 (2018) and Pollution Control Department (PCD) standards. The 2026 enforcement crackdown targets illegal discharges, with fines up to ฿1 million ($28,000) and potential imprisonment under Section 102 of the Act.
Key Regulations for Straight Piping in Thailand
- Water Act B.E. 2561 (2018): Prohibits direct discharge of wastewater into natural water bodies without treatment, mandating compliance with PCD’s effluent standards (Notification of Ministry of Natural Resources and Environment, 2023).
- Industrial Works Act B.E. 2562 (2019): Requires industrial facilities to obtain permits for wastewater disposal; unauthorized straight piping constitutes a violation under Section 56.
- Local Ordinances: Provincial authorities (e.g., Bangkok Metropolitan Administration) enforce stricter rules, including mandatory connection to municipal sewer systems or on-site treatment plants for commercial properties.
Non-compliance triggers escalated penalties under the 2024 amendments to the Enhancement and Conservation of National Environmental Quality Act, including asset seizures and corporate liability for directors. The PCD’s 2026 digital monitoring system (e.g., IoT sensors in high-risk zones) further tightens oversight, particularly in industrial clusters like Map Ta Phut and Samut Prakan.