I have almost a 12,000 sq ft lot...then the house and lanai and cage take up around 3000 sq ft leaving around 9000 sq ft to water. Have three large planters, but they have to be watered so they are not excluded from watering. Last month we used 11,650 gallons of irrigation water for a charge of approximately $32.00 We have lots of sprinklers though I'm not sure what number are pop-ups and what number are rotary. Others have mentioned that certain sprinklers are better than others and utilize water better. A watering bill as high as you seem to have Tom, suggests that it might be time to have someone from a landscaping irrigation company take a look and determine if some sprinklers can be replaced with more efficient ones.
Alas, I can offer no suggestions as to whom you might contact.
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