Biological stability of drinking water in New York City

被引：0
|
作者：
Jolis, D
Faber, WW
Diyamandoglu, V
机构：
[1] Publ Util Commiss City & Cty San Francisco, San Francisco, CA 94124 USA
[2] Manhattan Coll, Dept Biol, Bronx, NY 10471 USA
[3] Coll Mt St Vincent, Bronx, NY 10471 USA
[4] CUNY City Coll, Dept Civil Engn, New York, NY 10031 USA
来源：
WATER SCIENCE AND TECHNOLOGY | 1998年 / 38卷 / 06期
关键词：
biological stability; bacterial regrowth; attached growth rate estimate; AGRE; water distribution system;
D O I：
10.1016/S0273-1223(98)00580-0
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A study was carried out to determine the degree of biological activity in the drinking water supplied to New York City by the Croton and Catskill/Delaware systems, as measured by the Attached Growth Rate Estimate (AGRE) method. Also, possible relationships between AGRE results and standard water quality parametres were examined. The AGRE results for both the systems ranged between 0 and 0.5 d(-1), indicative of biologically stable water. These results suggest that excessive bacterial growth in the New York City distribution system would be rare. The Croton results were temperature and alkalinity dependent. The Catskill/Delaware results revealed that growth rates decreased with travel time in the distribution system. These differences emphasize the complexity of biological activity monitoring in drinking water distribution systems. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：181 / 190
页数：10
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