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Old 10-29-2010, 11:23 PM  
Commodore

San Marcos, Texas
Join Date: Aug 2010
Posts: 538 | Kudos: +23
Ultra Violet Lights to Kill Bacteria

Anyone have any experience with lights to kill bacteria in their drinking water?

Well on a property we are looking at comes back with E. Coli even after being shocked multiple times.
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Old 10-30-2010, 12:11 PM  
Member

Genoa, Illinois
Join Date: Oct 2010
Posts: 38 | Kudos: +10
I think it would be necessary to dig a deeper well or one further away from the septic tank.

I work in a laboratory and we do use ultraviolet lights to kill bacteria on surfaces but I don't know about using UV to kill bacteria in drinking water.
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Old 10-30-2010, 12:51 PM  
JCJ
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Webster, New York
Join Date: Aug 2010
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My father is a waste water treatment engineer, we've discussed the use of ultr-violet before but as usual I retained nothing

I will submit an inquiry to him, it might take a few days before I hear back.
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Old 10-30-2010, 04:13 PM  
JCJ
RENT-a-MOD

Webster, New York
Join Date: Aug 2010
Posts: 654 | Kudos: +38
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or maybe in a few hours..

Quote:
I?ve designed many municipal systems using submerged UV lamps ? they are typically encased in a quartz tube rather than glass because of UV transmissibility

Drinking Water - TrojanUV

They are very efficient in drinking water but have the drawback that they don?t leave a measurable residual.

I?ve heard of UV disinfection systems for hot tubs and pools, but have no direct experience

.2 mg/l chlorine residual will kill all e.coli and other pathogens so recurrence after ?shock?, presumably with sodium hypochlorite, may be an indicator of bad contamination = irredeemable
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