Small STPs fail more often than large ones, and not because they are cheap. Field notes from Cebu on why 5 cubic meters a day is harder to operate than 500 — and how I design small sewage treatment plants differently now.
Field notes on water reuse in the Philippines: why reuse projects die on the spreadsheet, what the second pipe really costs, the honest cost per cubic metre, and when reclaimed water is actually worth building.
Filipino clients are now checking our sewage treatment plant designs with AI. Field notes on what it catches, what it misses, and the one time it was confidently wrong.
