I am not on the East coast but this is exactly what we do. I have a 3 stage water filter system, filter, carbon filter and ceramic filter. We have a pump we draft out of the lake with and fill two 45 gallon RV holding tanks, we then pump out of those with our pressurized system to run all of the plumbing. We carry drinking water. I think it does a really good job and could probably drink it but choose not to.
Fred
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Yesterday was the best day of my life..... I bought a Houseboat!! Check out our blog of our houseboat refurbish!!
http://fredsfriendlyblogspot.blogspot.com/