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| QUESTION #1298 |
8/2/2007 9:44:40 AM |
[drinking water] |
What liabilities would a small water system incure from excesive pressures in the distrubution system (spikes from PRV failure or system operation)?
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ANSWER:
If he means legal liabilities, my guess - it's only a guess - is that the utility could probably be found to be at fault if its persistent excessive pressure caused a commercial or industrial customer to have to replace equipment frequently - if its own backflow preventers kept blowing out, for example. If he means what bad things happen when there is too much system pressure - pipe joints pull apart, fixtures get pushed off, any water hammer is very damaging, leakage is high and generally water is wasted, in the distribution system and by the customers.
If the excessive pressure is a spike from equipment failure that could not be foreseen - the PRV had been inspected and was in good shape before failing - there would probably be a settlement with the utility's insurer paying up a nominal amount.
Director of the Montana Water Center.
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| QUESTION #1291 |
6/19/2007 2:49:02 PM |
[drinking water] |
What Montana regulations apply if a property owner wants to build two guest cabins and add them to his existing well? Where can we find the rules for a multi-user system?
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ANSWER:
In addition, you should be aware of the following: Depending on your use for the guest cabins, you may need a permit or two, along with an operator certification. If you serve more than 25 people 60 days a year, then you will be a public drinking water system.
Here is a link that explains Montana Water Rights.
http://www.leg.mt.gov/content/publications/lepo/2006waterrights.pdf
Page 2 lists contact information for the DNRC. I suggest you call the number listed there and you will be transfered to the best person who can answer your question. It probably comes down to how much water you are entitled to and how much water the other cabins will take.
Steve Guettermann
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| QUESTION #875 |
4/9/2007 1:04:09 PM |
[drinking water] |
Best source of drinking water systems? What "purification" systems have you done research on? I'm looking at an eSpring system. We have lead above fed. standards in our public drinking water today.
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ANSWER:
Our center has not done any comparison testing on specific brands or models used for drinking water treatment. Is this for a home, or a municipal water supply? Depending on your situation, there are several treatment technologies that work well for lead removal. If this is for a home, the two that I would suggest checking out are 1. Reverse Osmosis and 2. Direct filtration (e.g. carbon and the like).
In my opinion, Reverse Osmosis is a very sound way to go, and will cover nearly all bases. RO units do have draw backs however. Most on the market waste a lot of water in the filtration process. There is one that I know of that recycles this waste water and continues to filter it (without plugging any specific products, I believe this unit is sold to the public through Costco.com). As for the second option, carbon filters can remove lead in most cases, but you will want to really check into each company on an individual basis. Before doing anything, I would also check to see where the lead is coming from - it may be from the plumbing in your house. If you house was build before 1986, chances are they used lead solder to connect the copper. This typically isn't a problem - just run the cold water for a bit before drinking it. This will take care of the water that has been sitting in contact with the lead in your plumbing - the fresh water will not pick up much lead. Acidity and heat will also affect the amount of lead. Acidic waters and your hot water will dissolve lead faster, so avoid using these for drinking and cooking.
Ben Cichowski
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