There is a group of houses out in my area, around 400 to 700 of them. The city water that is being used is giving Static pressure between 40 PSI and 80 PSI during the day. I remember in class that a 10 PSI difference in a system could cost my customers on their water bills and cause misting. Also too much of a drop and a system wont even have the pressure to pop up the heads. I am asking if you guys know a way of keeping the systems PSI constant? I know of ways to lower a systems PSI with regulators, but i worry if i use them then I may get more pressure loss in the system and when the PSI hits the lower number then it wont work. Btw the pressures were checked 3 times a day. Do not have the dynamtic pressure of the systems, yet. City uses pumps and then wells to store all the water for the city.