Frank Hsieh, who took office near the end of 1997, not only rechanneled and cleaned up the Love River, but also made the "invisible" task of increasing the amount of wastewater undergoing treatment a major goal.
民國 86 年底上任的謝長廷，除了整治愛河、疏浚清污，同時把「看不見」的地下污水處理管線的提升當作主要目標。