What is coliform bacteria?
Presence of coliform bacteria indicates water contamination and the presence of intestinal parasites and pathogens in a water supply.
What are some sources of coliform bacteria?
Sources of these bacteria include runoff from woodlands, pastures, feedlots, septic tanks, and sewage plants.
When and why should coliform bacteria be tested?
Routine testing should be done since coliform bacteria are indicators for pathogens that make people sick. Routine testing for bacteria is highly recommended even if it is not a perceived concerned because annual testing can provide a record of water quality that can be used to help solve future problems. Testing should be done during the spring or summer after a rainy period. Testing should also be preformed after repairing or replacing an old well, or pump. Read more about when you should test your well water for coliform bacteria here.
Source:"Chapter 2 - Lakes." Fecal Coliform Bacteria Concentrations. Web. 27 May 2015.