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Napa County Unincorporated
City Zoning Code

CHAPTER 18

118 - WATER CONSERVATION REGULATIONS FOR LANDSCAPE DESIGN

18.118.010 - Purpose.

The purpose and intent of this chapter is to implement the provisions of California Code of Regulations Title 23, Division 2, Chapter 2.7 and to conserve water through the promotion of the most efficient use of water in landscape design, while respecting the economic, environmental, aesthetic, and lifestyle choices of individuals and property owners.

(Ord. 1029 § 2 (part), 1992: prior code § 12650; Ord. No. 1518, § 1, 2-10-2026)

18.118.020 - General provisions.

A landscape documentation package shall be submitted to the director or the director's designee for review and approval before any building permit is issued. This section shall apply to public agency projects and private development projects that require a site plan approval or a discretionary permit, where any landscaping is required or provided, and in accordance with California Code of Regulations Title 23, Division 2, Chapter 2.7.

(Ord. 1029 § 2 (part), 1992: prior code § 12651)

(Ord. No. 1518, § 2, 2-10-2026)

18.118.030 - Requirements for landscape documentation package.

A.

Submission of the landscape documentation package. The landscape documentation package shall be submitted to the director or the director's designee for review and approval.

B.

Contents. Each landscape documentation package shall be prepared as provided in California Code of Regulations Title 23, Division 2, Chapter 2.7.

C.

Reserved.

D.

Reserved.

E.

Reserved.

F.

Certificate of Completion Package. No certification of occupancy shall be issued until the director or the director's designee has reviewed the certificate of completion package.

G.

Reserved.

(Ord. 1029 § 2 (part), 1992: prior code § 12652)

(Ord. No. 1518, § 3, 2-10-2026)

18.118.040 - Violations.

A.

It is unlawful and a public nuisance to cause, permit or otherwise allow water waste to result from inefficient landscape irrigation systems. Whenever the director or the director's designee determines that such landscape irrigation water waste by runoff, low head drainage, over-spray, or other similar conditions where water flows onto adjacent property, non-irrigated areas, walks, roadways, or structures, has occurred, the Director may notify the violator in writing of the violation and require the preparation of a landscape irrigation audit by a certified landscape irrigation auditor.

B.

Upon receipt of the audit, the director shall determine if all deficiencies have been corrected. If not, the director may commence proceedings, civil or criminal, to correct the deficiencies and abate the public nuisance in accordance with Section 1.20.010 et seq. of this code.

C.

It is unlawful and a public nuisance for any person to violate any of the provisions of this chapter for any purpose or to cause any other person to do so. Such a violation shall be enforceable as a misdemeanor pursuant to Napa County Code Sections 1.20.150 and 1.20.160.

(Ord. 1029 § 2 (part), 1992: prior code § 12653)

(Ord. No. 1518, § 4, 2-10-2026)

18.118.050 - Reserved.

Editor's note— Ord. No. 1518, § 5, adopted February 10, 2026, repealed § 4, which pertained to public education and derived from Ord. 1029 § 2(part), 1992; prior code § 12654.