Mark I have a CYV also and do not have grass but do have rock beds with bottle brushs and flowers. Our usage was 550 on irrigation. We keep the irrigation shut off and turn it on only when needed. Maybe once a week or so if we think things need watered, and then we only run each zone for 10 minutes only. Our highest usage over 2 years was 2420 and that was May to June of last year.
I think if I were you, I'd be checking for a leak.
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North of Pgh and OBX
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