Field Notes
Practical answers about wells, groundwater and water supply on the islands — written by the people who do the work.
Drilling
What affects the cost of drilling a well on Koh Samui?
Four things move the number more than anything else — and none of them can be known for certain until someone looks at your site.
July 1, 20265 min read
Water Supply
Private well or municipal water: which makes sense on Koh Samui?
Municipal supply is simpler to start; a private well buys independence. Which wins depends on where your property sits and how it's used.
June 28, 20266 min read
Equipment
Six warning signs your well pump is about to fail
Most pump failures announce themselves days or weeks ahead. Catch the signs early and a repair replaces an emergency.
June 25, 20265 min read
Equipment
What size water tank does a villa on Koh Samui need?
The right tank is a buffer against the gaps in your supply — sized from how many people use the water and how long resupply really takes.
June 22, 20265 min read
Equipment
Well water filtration: what you actually need (and what you don't)
Island groundwater varies bore to bore. The only way to size filtration honestly is to test the water first — then treat what's actually there.
June 19, 20265 min read
Drilling
How deep are water wells on Koh Samui?
The honest answer is a range, not a number — here's what decides where your site lands in it.
June 15, 20265 min read
Water Supply
When the tank runs dry: emergency water for villas and resorts
Emergency delivery is a real service — but the best emergency is the one that never happens. Here's how island properties stay ahead of an empty tank.
June 12, 20265 min read
Guides
Building a villa? Plan the water before you pour the foundation
Water is easiest and cheapest to get right before the walls go up. A short guide to sequencing it into a new build on the islands.
June 8, 20266 min read
Water Supply
Water on Koh Phangan and Koh Tao: how island logistics really work
The water is the same job; the getting-there isn't. Why supply on Phangan and Koh Tao runs on schedules, and how to plan around them.
June 4, 20266 min read
Guides
Groundwater permits in Thailand: what property owners need to know
When a licence is required, who applies, and why a legal well protects you at resale time.
June 1, 20266 min read
Water Supply
Dry season on Samui & Phangan: preparing your villa's water supply
Every March the islands rediscover water scarcity. The fix is boring: storage, scheduling, and one decision made in November.
May 20, 20265 min read
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