Groundwater and Well Water

Coliform in well water?


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2014-07-09 19:32:20
2014-07-09 19:32:20

Coliform in well water is the presence of fecal matter in the well water. If the bacteria is found in drinking water, appropriate action needs to be taken.


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It leaches into it through the ground near the well, or from roots .

Absolutely. If the well is situated where run-off from a field or barn can enter it or the subground water it draws from, coliform bacteria can contaminate a well.

There is a certain amount of coliform in a lot of well water. -The difference is ' Escheria Coli.' Get your well water analysed if you suspect this. E Coli comes mostly from wells in fields where animals graze and defecate.

Roots and insects in the water are common sources of coliform.

Coliforms are rod shaped gram negative bacteria that are often in well water. Not all coliform are harmful, but those of fecal origin are very harmful. The lab coliform count determines what type and how many coliform are in a water sample. This result is always marked "fit for human use" or "NOT fit for human use".

Normally, during the rainy season, or during a flood, excess run off can bring coliform from feces into a water system. Another way is if an animal somehow gets into a well and drowns, it's decomposing body can contaminate a well.

It is 100 coliform cells for 100 ml water.

Any coliform presence in drinking water is cause for concern. Zero percent is the standard for drinking water.

DO NOT drink it until you get a positive coliform reading from a lab test. This could be dangerous.

A coliform count is a microbiological assay of the number of coliform-type bacteria living in a certain sample. This is often used as a measure of fecal contamination of water supplies.

There are many kinds of coliform and different ways to treat it. The first step is a lab test to find out the type and extent of the coliform. Often a properly carried out chlorination of the well is sufficient. E-coli is a different situation and requires advice from your lab.

coliform ferment lactose and are non pathogenic, non-coliform do not ferment lactose and are pathogenic (true pathogens)

The health issues that are associated with the presence of coliform bacteria are basically flu symptoms. For example, the health issues that coliform can cause are nausea, vomiting, and diarrhea. Therefore, the health issues that are associated with the presence of coliform bacteria is like flu symptoms.

This varies from country to country and possibly even states in US. However in general, drinking water must have NO coliform at all - that is called '0/100ml'Swimming pool water is generally allowed '200/100ml'. Anything other than that is 'high' . In general terms coliform is in almost every pool of water and in almost every well. What we are most concerned about is E coli , which is fecal coliform and is dangerous to humans.If you are in any doubt re E coli in drinking water, then take a sample in a sterilised bottle to your local lab. A lab test is usually about $25 in US/Canada and is well worth it to avoid dysentery and associated illnesses.

Yes, farm animals have coliform bacteria in their intestines just like humans do, and these bacteria are passed in the feces. If it gets into a well, the feces can contaminate the well. Because many of the bacteria can cause illness in humans, most water quality tests do not perform further testing to determine what the likely source of the contamination is.

Salmonella is not a coliform. It does not ferment Lactose to produce an acid, unlike E. coli.

at high sugar osmolirity of coliform disturb , so coliform killed or inhibit,,,,,

no it does not ferment lactose, therefore is not a coliform

You must mean 'coliform'. Unless your well is sucking sea water, "chloroform" is extremely unlikely. Check that and re-submit your question so we know what we are discussing. This is too serious to speculate about the wrong thing

If there is a company or airport next to it they throw the waste to the ocean

Believe it or not, it is COLIFORM. Coliform bacteria are spherical.

The coliform count measures the number of Escherichia coli bacteria.

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