No way. 4500 gallons = 600 cubic feet 600 cubic feet of water spread out over a quarter acre is .5 inches. That's a moderate rain for roughly 45 minutes. Lo

No way. 4500 gallons = 600 cubic feet 600 cubic feet of water spread out over a quarter acre is .5 inches. That's a moderate rain for roughly 45 minutes. Looks like the avg pressure for a home is 2 gallons per minute. Watering your lawn for an hour would be 120 gallons. You are wildly off.