The purpose of the O open land district is to provide for limited development of those areas of the city that are not suited for permanent occupancy or residence due to some specific characteristic of the land. Such lands may be subject to periodic flooding, erosion or fire hazard. Publicly owned land and uses of a predominantly open nature are included in this district. The following regulations, set out in this chapter, shall apply to all land in the O open land district. (Ord. 1000 § 31.00, 1955)

Land may be placed in the O district under the following conditions:

   A.   When land is in public ownership:

      1.   Public parks, playgrounds, wildlife preserves, and other public uses,

      2.   Drainage or flood control channels, creeks, rivers, zanjas and other watercourses,

      3.   Freeways, parkways and park drives;

   B.   Privately owned land, when the use of the land would endanger the public health, safety and general welfare:

      1.   Areas where topography is too steep to build upon or where grading of the land may cause a public hazard due to erosion or flooding,

      2.   Areas subject to flooding or inundation from storm water,

      3.   Areas beyond fire servicing, where development might endanger life, property or the watershed;

   C.   Buffer areas:

      1.   Areas separating industrial and commercial districts from residential districts. (Ord. 1000 § 31.10, 1955)

In O districts, no building, structure or land shall be used, and no building or structure shall be hereafter erected, structurally altered or enlarged, except for the following purposes:

   A.   Principal Permitted Uses:

Agricultural and open uses of land.

Bridle trails.

Flood control structures.

Off street parking.

Public facilities and utilities.

Recreational uses.

   B.   Uses Permitted By Conditional Use Permit: The following uses may be permitted subject to approval of a conditional use permit:

Aggregate processing plants.

All principal permitted uses, whether public or private, involving the use of a building or structure, flood control structures excepted.

Asphalt batch plants.

Excavation and removing of rock, sand and gravel, including related equipment and apparatus therefor, and including accessory manufacturing uses which utilize the materials being excavated from the site as the primary component of the product. The site plan showing the location of all buildings, structures and storage areas shall be submitted to the county flood control district for its recommendations. In addition to compliance with the provisions of chapter 18.192 of this title, the commission shall establish any other conditions deemed necessary to adequately protect surrounding properties.

Ready mix concrete batch plants. (Ord. 2144 § 1, 1991: Ord. 1000 § 31.20, 1955)

The following property development standards, set out in sections 18.124.060 through 18.124.170 of this chapter, shall apply to all lands and buildings in the O zone. (Ord. 1000 § 31.40, 1955)

No minimum. (Ord. 1000 § 31.40(A), 1955)

No minimums. (Ord. 1000 § 31.40(B), 1955)

Population in O districts shall be: None permitted, excepting caretaker and security personnel quarters. (Ord. 1000 § 31.40(C), 1955)

Permitted buildings and structures in O districts shall not exceed five percent (5%) of the lot area, public facilities excepted. (Ord. 1000 § 31.40(D), 1955)

In the open land zoning district, the height of buildings and structures shall not exceed fifty five feet (55'), and the height of light poles and flagpoles shall not exceed eighty feet (80'). (Ord. 2542 § 1, 2003: Ord. 1000 § 31.40(E), 1955)

For O districts, the yard provisions of the A-1 district shall apply. (Ord. 1000 § 31.40(F), 1955)

For fences, landscaping and walls in O districts, the provisions of the M-1 district shall apply. (Ord. 1000 § 31.40(G), 1955)

For off street parking in the O district, the provisions of sections 18.164.140 through 18.164.320 of this title shall apply. (Ord. 1000 § 31.40(H), 1955)

None required. (Ord. 1000 § 31.40(I), 1955)

In O districts, signs related to a public use or purpose are permitted. Private signs showing the name of the occupant and/or the use of the premises are permitted, subject to commission review and approval. (Ord. 1000 § 31.40(J), 1955)

In O districts, there shall be vehicular access to all property from a dedicated and improved street. (Ord. 1000 § 31.40(K), 1955)

For outdoor storage, uses and waste disposal in O districts, the provisions of the M-1 district shall apply. (Ord. 1000 § 31.40(L), 1955)

For O districts, the performance standards of the M-2 district shall apply. (Ord. 1000 § 31.40(M), 1955)