As you failed to see, I stared the post with the words *"Another question". *Not only can't you spell, your reading comprehension is also questionable.
*
This thread isn't about mixxing of sewage with drinking water....it is about quality of drinking water. *What you didn't answer is how is a person is sure that the water in his drinking water line is not being pulled from his neighbor's house or even a house or business blocks away, if there is no vacuumn breaker in the other persons' lines?????????
BTW *Although in this scenario it would be accidental contamination, one of the major threats which worries Homeland Security in the US is the introduction of a pathogen into a municipal water system by way of bypassing an antisiphon device.
There you go with the personal attacks again, what you fail to realize is that attacking someone doesn't make you smarter nor will it ever gain you respect. My reading comprehension is just fine, perhaps what needs tweaking here is your thouth process.
Please read your own post bellow, here you will clearly see that it is you who worries about sewage water reaching the water line.*
I guess you nver got your feet wet walking in the area of a leaking sewar line? *When a sewar (septic) line backsup, due to intrusion of roots for example) the entire area becomes saturated. *If a water line traversing the area looses pressure, the contaminated ground water will be drawn into the line by the negative pressure.
I guess the only thing your just about right is that this thread is about weather the water is safe for drinking. So now, why would you even comment on what homeland security worries about? How does your comment enrich this thread in any way? Are we in the DR under some national threat? If not then why worry about what homeland security thinks?
BTW, your writting is difficult to understand, It's not very coherent, you should work on that so people could understand you better.