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1. How much secondary water pressure should I plan my sprinkler system for?

The secondary water pressure varies throughout the City. Observed pressures tend to range as follows:

• 500 W. to 1500 W.: 45 to 60 PSI
• 1500 W. to 2500 W.: 60 to 70 PSI
• 2500 W. to 3500 W.: 70 to 80 PSI
• 3500 W. to 4500 W.: 80 to 90 PSI