Section 47327 Of Article 2. Levy And Collection From California Water Code >> Division 14. >> Part 9. >> Chapter 8. >> Article 2.

. If any part of the installment or any interest thereon remains unpaid at the expiration of 30 days from the date of the notice, it becomes delinquent, and 10 percent of the unpaid amount of the installment and interest shall be added thereto and collected by the county treasurer.