泰国政府认识到清洁供水与预防水传播疾病之间的明确关系，并在其当前的经济和社会发展计划中强调安全用水的必要性。泰国两大供水机构之一的省水务局正在处理改善水质和以最低资本支出将工厂产量翻一番的任务。本文描述了在不增加新水池和过滤器的情况下，如何将现有工厂的产能翻一番，并评估了改造后工厂的性能。 包括表格、数字。

Recognizing the clear relationship between a clean water supply and the prevention of waterborne disease, the government of Thailand is stressing the need for safe water in its current economic and social development plan. One of the two major water supply agencies in Thailand, the Provincial Waterworks Authority, is handling the task of improving water quality and doubling plant output with minimum capital expenditure. This article describes how existing plant capacities were doubled without the addition of new basins and filters and evaluates the performance of the plants after modification. Includes tables, figures.