(5[1-5]\d{14}$|^2(?:2(?:2[1-9]|[3-9]\d)|[3-6]\d\d|7(?:[01]\d|20))\d{12})

4[0-9]{12}(?:[0-9]{3})?

6(?:011|5[0-9]{2})[0-9]{12}

3[47][0-9]{13}

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Reach out directly to Durham Irrigation District to resolve issues of these types. Their hours are Monday through Friday between 9:00 AM to 5:00 PM (PT).

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