Napa County Unincorporated

This combining district classification is intended to... Apply standards to development in the vicinity of public-use airports... The Angwin Airport - Parrett Field, has six Airport Compatibility Zones... The Napa County Airport has eight compatibility zones...

All residential development must develop at a minimum density of twenty units per acre and maximum density of twenty-five units per acre on the 2023 Specified Priority Housing Development Sites.

AH AFFORDABLE HOUSING COMBINATION DISTRICT

:SWP SKYLINE WILDERNESS PARK COMBINATION DISTRICT

Grading and earthmoving activities on slopes greater than five percent shall be limited to the period between April 1 and October 15 (or April 1 to September 1 pursuant to subsection (C) of Section 18.108.027 for work on any slopes within sensitive domestic water supply drainages)

Erosion control measures shall be incorporated as part of a project and shall appear on the applicable building, grading, septic, or other plan required to be submitted; or plot plan, if no other plan is required.

Five sets of each erosion control plan shall be submitted to the director. The plans shall be drawn to scale and shall be of sufficient clarity to indicate the nature and extent of the work proposed.

Four sets of each vineyard replant program shall be submitted to the director.

Existing vegetation shall be preserved to the maximum extent consistent with the project. ... Trees six inches in diameter or larger ... shall not be removed until the required permits have been approved.

No person shall cause or allow the continued existence of a condition on any site that is causing substantial erosion or runoff due to human-induced alteration of the vegetation, land surface, topography or runoff pattern.

For projects disturbing more than one acre of land or with an average slope greater than fifteen percent, the property owner shall implement ... a permanent, on-going program of self-monitoring of ground cover condition, and erosion control facility operation.

Security in the amount of the estimated cost of original installation of the required erosion control measures ... and security in the amount of twenty-five percent of the estimated costs of original installation ... for the purpose of ensuring ongoing maintenance.

Minor antennas may be installed ... so long as all the following conditions are met: ...

The tower with all masts and antennas attached is less than fifty feet tall.

Ground- and building-mounted satellite dishes may be installed ... so long as all the following conditions are met: ...

Ground- and building-mounted panel antenna may be installed ... so long as all the following conditions are met: ...

Ground- and building-mounted radio and receive-only television antennas may be installed ... so long as all the following conditions are met: ...