The open space (O-1) zone is specifically intended to encourage the preservation of a natural environment in an otherwise urban setting; to hold for future generations open space in which plants and animals can be protected and studied; to inhibit erection of unnecessary buildings on a floodplain, on areas of severe slope and areas of rock slides; to provide a suitable area for recreation and relaxation, and to alleviate stream pollution.

(ZO § 26-1)

Permitted uses in the O-1 zone include:

1. Accessory building and use customarily incidental to any permitted use;
2. Agriculture;
3. Botanical or zoological garden or conservation area;
4. Cemetery;
5. Fishing ponds, private or public;
6. Golf course;
7. Private park, playground or recreation area;
8. Public park, public recreation grounds and associated buildings, but not including privately owned commercial amusement business.

(Ord. 000404 § 3, 2000; ZO § 26-2)

Site development standards in the O-1 zone include:

1. Minimum lot area: one acre;
2. Minimum lot width: one hundred fifty (150) feet;
3. Minimum yard setbacks for structures:
   1. Front: thirty (30) feet,
   2. Side: twenty (20) feet each side,
   3. Rear: thirty (30) feet;
4. Building height:
   1. Minimum: one story,
   2. Maximum: two and one-half stories or thirty-five (35) feet.

(ZO § 26-3)

The height, size and location of the following permitted signs shall be in accordance with the regulations set forth in Chapter 17.76:

1. Development;
2. Directional;
3. Flat;
4. Freestanding;
5. Identification and information;
6. Temporary;
7. Wall.

(ZO § 26-4)