basically i wanted to make a bigger town and have the ability to put water purifiers into the lake and now i can.

Required for cell reset
Since people are experiencing the cell reset bug here are workarounds for that 1) http://www.nexusmods.com/fallout4/mods/6698/?  2) http://www.nexusmods.com/fallout4/mods/6772/?

install with NMM