Determining your specific

**pressure**is necessary to your**irrigation**plan. Keep in mind that sprinkler and drip systems will not work properly if the**pressure**is too low or too high. Most sprinkler systems work at an optimal**pressure**of 30-50 psi, and most drip systems work best in the range of 20-40 psi.Thereof, how many zones do I need for my sprinkler system?

The resulting number will equal how

**many zones**you need. If, for example, each**sprinkler**head will require a flow rate of 1.31 GPM and you have 20 of them, then you will need 26.2 GPM total. If your**system**can only handle 16.67, you will need to use two**zones**to cover that same area of your yard.What pressure is needed for drip irrigation?

A typical drip irrigation system needs

**about 25 pounds per square inch**(psi) of water pressure to function optimally, but many emitters rated at 25 psi will work well at pressures as low as 15 psi.Do you need a pressure regulator for drip irrigation?

Most

**drip**systems operate best at lower water pressures than are common in a typical water supply**system**.**You**probably will**need**to install a**pressure regulator**on your**drip system**if your water**pressure**is higher than 2,8 bars (40 PSI). Keep in mind that a**pressure regulator**only reduces the water**pressure**.