新泽西州牛顿镇90多年来一直保持着小型（1.0 mgd）未过滤地表供水。该镇的主要水源水莫里斯湖的平均浊度为0.5 NTU，总有机碳（TOC）浓度为2 mg/L。然而，该镇目前面临着过滤系统的建设，以满足SWTR的要求。本文介绍了在新泽西州牛顿镇进行的一项研究的结果，以确定满足地表水处理规则（SWTR）过滤要求的最具成本效益的处理方案。分析包括:确定水质目标；评估替代处理技术；以及处理技术和工艺选择的相对排名。 结果表明，微滤方案是首选方案，其次是在线过滤和超滤方案。

The Town of Newton, New Jersey, has maintained a small (1.0 mgd) unfiltered surface supply for over 90 years. The Town's primary water source water, Morris Lake, has an average turbidity of 0.5 NTU and total organic carbon (TOC) concentration of 2 mg/L. However, the Town is currently faced with construction of a filtration system to meet the SWTR requirements. This paper presents the results of a study conducted for the Town of Newton, New Jersey, to determine the most cost effective treatment alternative to meet the Surface Water Treatment Rule (SWTR) filtration requirement. The analysis consisted of: determining water quality goals; evaluation of alternative treatment technologies; and relative ranking of treatment technologies and process selection. The results showed that the microfiltration alternative was the preferred alternative, followed closely by the inline filtration and ultrafiltration alternatives.