There is no way that tap water is better than bottled water. Lead can leech into the water through the pipes of the municipal water system and through the pipes of your home. Bottled water has to have a lot less lead than tap water. In actuality, the maximum standard for lead is less than the maximum standard in bottled water. Most homes in todays world are not built with copper pipes anymore and the water would have to sit in the pipes for a long time for any amount of lead to leech into the water. Most normal people use their tap water regularly throughout the day; so as long as you’re using your tap water for something daily, there should be no concerns about lead. However, a concern a consumer should have is the dangerous chemical used to make the plastic bottle their water is going into called DEHP. Water is definitely sitting in those bottles long enough for DEHP or some other type of chemical from the plastic to leech into the water. In 1986, amendments were made to the Safe Water Drinking Act of 1974 that required the EPA to set new standards limiting the concentration of lead in public water systems.
(I think I need to try to incorporate specific numbers and lengths of time. Is this along the lines of what I’m supposed to be writing though??)
Counterintuitive 
It’s hard to tell which claims are yours and which you want to refute, Beez.
BOTTLED IS BETTER?
1. There is no way that tap water is better than bottled water.
2. Lead can leech into the water through the pipes of the municipal water system and through the pipes of your home.
3. Bottled water has to have a lot less lead than tap water.
TAP IS BETTER?
4. In actuality, the maximum standard for lead is less than the maximum standard in bottled water.
5. Most homes in today’s world are not built with copper [?] pipes anymore [?] and the water would have to sit in the pipes for a long time for any amount of lead to leech into the water.
6. Most normal people use their tap water regularly throughout the day; so as long as you’re using your tap water for something daily, there should be no concerns about lead.
7. However, a concern a consumer should have is the dangerous chemical used to make the plastic bottle their water is going into called DEHP.
8. Water is definitely sitting in those bottles long enough for DEHP or some other type of chemical from the plastic to leech into the water.
UNCLEAR?
9. In 1986, amendments were made to the Safe Water Drinking Act of 1974 that required the EPA to set new standards limiting the concentration of lead in public water systems.
If, as I think is the case, you’re going to argue that tap water is overall the safer alternative (or at the very least that bottled water’s weak claims of better health and safety aren’t worth the money), then you’ll need a credible NON-INDUSTRY source to argue with. Find someone who goes on the record with strong unambiguous claims and refute them with vigor.
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