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| | King County Lake Stewardship Program |
 | | Fecal coliform are bacteria that live in the digestive tract of warm-blooded animals including humans, horses, cows, chickens, cats, dogs, and waterfowl. |
 | | The bacteria are excreted in the solid waste of humans and other animals and enter waterways via failing septic systems, sewer overflows, inadequate treatment of municipal waste, runoff from animal pastures, or inadequate human waste disposal associated with camping or other outdoor activities. |
 | | Fecal coliform bacteria is a good indicator of sewage pollution of water and is routinely monitored as an indicator of the possible health risk to people who may be swimming in or drinking contaminated water. |
| dnr.metrokc.gov /wlr/waterres/smlakes/bacteria.htm (823 words) |
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