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Sanitizing Water Lines after BWO is lifted

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Weebus90

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Posted 14 October 2025 - 05:21 PM

Looking for some info on if you MUST sanitize water lines after a boil water order is lifted.

 

We currently flush all lines for 15 or 30 minutes depending on the size of the water tank.  

We then replace all filters (whole restaurant & point of use)

We then have all equipment washed, rinsed and sanitized. 

 

It recently was discussed that we are not properly sanitizing the whole water line. Since we change out the in-line filter after flushing, then WRS the equipment, the line between the filter and the equipment is not being sanitized. It was recommended to use a JT Flushing/ Sanitizing Cartridge

 

 

 


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Tony-C

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Posted Yesterday, 06:47 AM

Hi Weebus90,

 

My preference would be to sanitise if at all possible. Guidance is to empty the tanks and flush the system out.

 

Example Guidance for Food Establishments before, during and after a Water Advisory or Flood

 

How are you going to check your water is safe at point of use before restarting operations?

 

Kind regards,

 

Tony

 


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GMO

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Posted Yesterday, 09:03 AM

When?  I don't think I've had a single one in 25 years.  How often does it happen???


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TimG

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Posted Yesterday, 03:21 PM

When?  I don't think I've had a single one in 25 years.  How often does it happen???

It's getting more frequent here in Michigan. Boil water alerts pop up a few times a year within a 2-hour driving radius.

My plant is on a well system now, and I used to think that would be a nightmare. It's not.


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GMO

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Posted Today, 06:53 AM

It's getting more frequent here in Michigan. Boil water alerts pop up a few times a year within a 2-hour driving radius.

My plant is on a well system now, and I used to think that would be a nightmare. It's not.

 

A few times a YEAR?  My mind is blown.

 

And I thought our private water suppliers in the UK were crap.  Albeit some are still using the same water systems implemented by the Victorians.

 

As an aside, some of our sewage pumping stations put in place by the Victorians are now out of use but preserved.  These bad boys are amazing.  They're like cathedrals of poo (ok some were for water).  I'm not sure where we lost our civic pride in the UK (or perhaps it was losing the empire) but we don't build them like that anymore.

 

Here's a few examples:

 

A historical overview: Steam-Powered Pumping Stations and the Sanitary Crisis of Victorian Cities | Historic England

London: Visit Us | Crossness Engines Trust

Nottingham: Papplewick Pumping Station - Britain's only active Victorian waterworks

Burton on Trent: Claymills Victorian Pumping Station

Leicester: Abbey Pumping Station – Leicester Museums

 

There are probably more.  If you ever come to the UK it's easy to get lost in everything from the Roman history onwards but the Victorian industrial history is fascinating. It explains a lot about the British psyche.


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kfromNE

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Posted Today, 11:33 AM

GMO - it's more common in small towns and rural areas. 


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TimG

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Posted Today, 12:08 PM

Kalamazoo MI has over 70,000 people. I'd say it's a fairly decent medium sized city. Boil water advisory Feb 28th and then again yesterday.

I don't know if incidents area up because I just started getting the alerts a few years ago.


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MDaleDDF

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Posted Today, 12:48 PM

Kalamazoo MI has over 70,000 people. I'd say it's a fairly decent medium sized city. Boil water advisory Feb 28th and then again yesterday.

I don't know if incidents area up because I just started getting the alerts a few years ago.

I didn't know you were in the mitten too Tim....


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GMO

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Posted Today, 01:20 PM

Kalamazoo MI has over 70,000 people. I'd say it's a fairly decent medium sized city. Boil water advisory Feb 28th and then again yesterday.

I don't know if incidents area up because I just started getting the alerts a few years ago.

 

Yeah... not saying it doesn't happen here and we have the benefits of more densely packed populations but it's so rare that would be front page news with sarcastic headlines and stern letters to politicians over here.  Still in France it would be rioting, gilets jaunes and burning barricades.  :roflmao:


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