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Biological Characteristics of Water
Scientists have devised a method of determining if water has been contaminated with sewage by identifying and measuring certain bacteria called fecal coliforms. These bacteria are known to live in the intestines of mammals. Although not dangerous in themselves, the presence of fecal coliforms in water indicates that sewage is present and that other disease causing organisms may also be in the water. Reprinted from Focus On Water Quality (1993) with permission of Alberta Environment. |
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Updated July 25th, 2001 by KP |