在这项研究中，对微生物和物理化学数据进行统计分析，以确定微生物动力学的变化是否与物理化学变量的变化有关。这些数据包括内毒素、标准板计数、膜标准板计数、耐酸有机物、温度、总有机碳、游离氯和总氯、浊度，以及从两个配水系统收集的样品的pH测量。统计分析的结果不支持物理化学测量足以产生可靠的微生物水质预测的假设。包括14个参考文献和表格。

In this study microbial and physical-chemical data are analyzed statistically to determine whether variations in microbial dynamics are related to variations in physicochemical variables. These data include endotoxin, standard plate count, membrane standard plate count, acid-fast organism, temperature, total organic carbon, free and total chlorine, turbidity, and pH measurements of samples collected from two water distribution systems. The results of the statistical analyses do not support the hypotheses that the physicochemical measurements would suffice to produce reliable predictions of microbial water quality. Includes 14 references, tables.