Earlier editions: 2026-09
Title 13 — WATER, SEWERS AND PUBLIC SERVICES
Napa County Municipal Code Ch. 13.24 Permit and Fees
Napa County Municipal Code · 2026-10 edition · updated 2026-10-04 · Napa County
Cite as: Napa County Municipal Code Chapter 13.24 · Text as of 2026-10-04
13.24.010 - Permit requirements.¶
It is unlawful for any person, firm, corporation or institution to do any of the following without a permit issued by the administrative authority:
A. Install an individual sewage disposal system;
B. Install a private sewer or private sewage disposal system;
C. Operate a private sewage disposal system with above ground sewage effluent disposal;
D. Alter or expand an individual sewage disposal system or a private sewage disposal system;
E. Repair a private sewer or an individual or private sewage disposal system (CPC Appendix Chapter 1, § 103.1, modified).
(Ord. No. 1337, § 13, 5-5-2010; Ord. 1109 § 1 (part), 1996: Ord. 575 § 5 (part), 1978: prior code § 5630(a))
13.24.020 - Permit information requirements.¶
The administrative authority may require any or all of the following items of information before a permit is issued for a building sewer or a private or individual sewage disposal system, or at any time during the construction thereof:
A. A plot plan drawn to scale, completely dimensioned, showing direction and approximate slope of surface, location of all present or proposed retaining walls, drainage channels, water supply lines or wells, paved areas and structures on the plot, number of bedrooms or plumbing fixtures in each structure, and location of the building sewer and private or individual sewage disposal system with relation to lot lines and structures;
B. Details of construction necessary to assure compliance with the requirements of this division together with a full description of the complete installation, including quality, kind and grade of all materials, equipment, construction, workmanship and methods of assembly and installation;
C. A log of soil formations and groundwater level, as determined by test holes dug in close proximity to any proposed disposal field, together with a statement of water absorption characteristics of the soil at the proposed site, as determined by approved percolation tests (CPC Appendix Chapter 1, § 103.2, modified).
(Ord. No. 1337, § 14, 5-5-2010; Ord. 1109 § 1 (part), 1996: prior code § 5540)
13.24.030 - Permit—Application fee.¶
An application fee for a permit issued pursuant to this chapter shall be accompanied by that fee established by resolution of the board of supervisors.
(Ord. 1109 § 1 (part), 1996: Ord. 906 § 8, 1989: Ord. 837 § 13, 1987: Ord. 575 § 6, 1978: Ord. 504 § 2, 1976: prior code § 5631)
13.24.040 - Permit issuance conditions.¶
Permits for the installation, alteration, repair, expansion or destruction of any type of sewage disposal system shall be approved and issued by the administrative authority only upon compliance with all applicable provisions of this division and other laws and regulations. Where applicable, if the associated project requires a building permit, such permit shall be obtained prior to issuance of the sewage disposal system permit (CPC Appendix Chapter 1, § 103.3.1, modified).
(Ord. No. 1337, § 15, 5-5-2010; Ord. 1109 § 1 (part), 1996: Ord. 575 § 5 (part), 1978: prior code § 5630(d))
13.24.050 - Permit—Period of validity.¶
Permits for the installation, alteration, repair, or expansion of a sewage disposal system shall be valid for two years from the date of issue. Operating permits shall be valid for one year from date of issue. A grace period of thirty days shall be granted for renewal of an annual operating permit (CPC Appendix Chapter 1 § 103.3.4, modified).
(Ord. No. 1337, § 16, 5-5-2010; Ord. 1109 § 1 (part), 1996: Ord. 575 § 5 (part), 1978: prior code § 5630(c))
13.24.060 - Inspection and repair.¶
All work shall be inspected by the administrative authority upon completion. Work rejected upon inspection by the administrative authority shall be remedied or removed and replaced by the applicant at the applicant's expense.
(Ord. 1109 § 1 (part), 1996: Ord. 575 § 5 (part), 1978: prior code § 5630(b) and (e))
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