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Well Water Micro-testing


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#1 FSteam

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Posted 01 May 2015 - 06:35 AM

Hello,

What to do if the lab result shows 2 MPN/100ml? Sample from well water used for blueberry fields.

I appreciate the guidance.

 



#2 FSteam

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Posted 01 May 2015 - 06:36 AM

I mean E.Coli, 2 MPN/100ml.



#3 Myusername

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Posted 01 May 2015 - 01:30 PM

I'm assuming the well water is for irrigation? and if so is the water sprayed onto the plants or directly onto the ground?



#4 Charles.C

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Posted 01 May 2015 - 06:38 PM

I mean E.Coli, 2 MPN/100ml.

 

Apologize for ignorance but what is yr Standard ?

 

From memory of previous threads, the answer may also depend on which State you abide in. Or is this a Federal issue ?

 

Either way, I imagine someone from the XYZ will shortly be knocking at your well door. Maybe a supplier of Ca(OCl)2 also. :smile:

 

Maybe do a resample, unless your previous data is similar or worse ?


Kind Regards,

 

Charles.C


#5 FSteam

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Posted 02 May 2015 - 12:22 AM

Hi, water goes to the ground, does not touch the fruit. We have not had this result before, that is why I am concerned. I will do a follow up sample.



#6 Myusername

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Posted 04 May 2015 - 01:44 PM

the only standards I can find in Canada say under 50 cfu/100ml, which seems ridiculously high in my opinion,i have attached the pdf file, but if your drip irrigating from a well I don't think there is much of an issue here as long as you only use this well for irrigation.
BUT! I would still retest as you say and shock treat your well, a bottle of bleach is cheap compared to taking a chance on this.  
Also do you fertilize with manure at all?

 

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