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The Siam Times
VOL. CLXXVBANGKOK, TUESDAY, OCTOBER 6, 2026NO. 100600
Where Art Meets Ecology: Transforming Wastewater Tanks Into Homestay Gardens
A pilot project in northeastern Thailand is turning utilitarian wastewater management systems into lush landscapes, aiming to elevate sustainable tourism across four provinces.
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White treatment barrels are seamlessly integrated into a garden setting with potted plants, gravel, and stepping stones as part of a constructed wetland wastewater model for homestays. THE SIAM TIMES.

NAKHON RATCHASIMA, Thailand — In a push for sustainable tourism, the Regional Environmental and Pollution Control Office 11 (EPO 11) is reimagining how local accommodations handle their waste. By piloting an on-site wastewater treatment system, the agency is transforming typically unsightly waste management areas into visually appealing landscapes.

Montri Kiatphaophan, the director of EPO 11, detailed the success of the new installations designed for homestays and resorts, a project developed with support from researchers at Kasetsart University. The initiative underscores a vision that marries environmental science with aesthetic design. The objective is not merely to construct a functional system according to a blueprint, but to cultivate a welcoming environment that adds tangible value to the property.

The prototype upends the traditional, often industrial image of wastewater treatment. Instead of bare infrastructure, the treatment tanks are meticulously incorporated into the surrounding environment. Tall green plants sprout directly from the white cylindrical tanks, which are connected by modest piping and set against a backdrop of traditional wooden architecture. The surrounding ground is covered in neatly arranged brown gravel and punctuated by stone walkways, creating a space that blends effortlessly with nature. This design choice reflects a broader administrative philosophy: pushing beyond basic operational completion to maximize the utility and appeal of environmental projects. 

Beyond its aesthetic upgrade, the system serves a vital ecological function. It effectively treats wastewater while allowing the purified water to be recycled for use around the grounds. Moving forward, EPO 11 plans to promote this model to hospitality businesses throughout its jurisdiction, encompassing the Nakhon Ratchasima, Chaiyaphum, Buriram, and Surin provinces, in a continued effort to elevate eco-tourism and safeguard natural resources for the future.