The purpose of this district is to provide for residential, commercial, and agricultural uses of a type and density which will minimize the potential for contamination or significant loss in recharge capacity of a vulnerable groundwater aquifer and potable water source of great importance to the general public. This exercise of the police power (regulatory power) is necessary to preserve the public health, safety, and welfare.

(Ord. 11398 § 3 (part), 1997: Ord. 9707 § 1 (part), 1991)

Subject to the provisions of this title, the following uses are permitted in this district:

1.

Single-family residential (limited to one primary residential structure per lot);

2.

Agricultural uses conducted in compliance with a farm plan developed in conformance with U.S. Soil Conservation Service guidelines and the provisions of the Report to the Thurston County Board of Health on Best Management Practices for the Use of Pesticides and Fertilizers in the McAllister Springs GSA, Thurston County Environmental Health, 1989;

3.

Forest practices conducted in compliance with the provisions of the report cited in subsection (2) above;

4.

Accessory uses subject to the standards for special uses contained in Section 20.23.025(1) and (2).

(Ord. 11804 § 70, 1998: Ord. 11398 § 3 (part), 1997: Ord. 9707 § 1 (part), 1991)

(Ord. No. 14773, § 7(Att. F), 7-24-2012)

Section 20.54.070, Table 1, identifies the special uses permitted in this district, subject to the following exceptions:

1.

Special uses are prohibited in this district which use, handle, or store hazardous substances or dangerous wastes as defined, listed, or described in WAC 173-303-040, as amended, and other substances, solids, or liquids in quantities identified by the environmental health division, consistent with this WAC provision, as a risk to groundwater quality.

2.

Special uses relying on septic tanks are prohibited if they would produce wastewater which would pose any greater risk to groundwater quality than typical domestic wastewater, as determined by the environmental health division, or would produce more than four hundred fifty gallons of wastewater per five acres per day.

3.

Special uses prohibited by subsections 1 and 2 above include, but are not limited to:

a.

The following home based industries:

i.

Auto repair and boat repair,

ii.

Furniture repair or refinishing,

iii.

Carpet and upholstery cleaning businesses, and

iv.

Pest control businesses;

b.

The following home occupations:

i.

Dentists' and physicians' offices, and

ii.

Barbershops and beauty parlors;

c.

All major energy transmission and generating facilities, except electrical transmission lines and substations.

(Ord. 11398 § 3 (part), 1997: Ord. 9707 § 1 (part), 1991)

1.

In addition to the maximum number of dwelling units permitted on a lot, one temporary mobile/manufactured home or modular home may be located upon a lot for the purposes of housing a person or persons who are family members to a person residing in a structure existing on the lot when application for family unit approval is requested. A person is a family member when related by blood, marriage, or adoption.

2.

The minimum lot size eligible for placement of a family member unit is one acre.

3.

Persons wishing to establish a family member unit shall furnish proof of family member status and shall receive written approval to establish such unit from the department before locating or constructing the unit.

4.

Dwelling units which are located pursuant to this section shall be removed when the family member no longer occupies the family member unit.

5.

Dwelling units which are located pursuant to this section shall be removed prior to sale of the property, unless the purchaser provides a letter to the county stating that the family member unit will be occupied by a family member.

6.

A family member unit must have an approved sewage disposal system, adequate water source, and all other applicable permits.

(Ord. 11804 § 71, 1998; Ord. 11398 § 3 (part), 1997: Ord. 10595 § 37, 1994: Ord. 10183 § 1, 1992)

(Ord. No. 14773, § 10(Att. I), 7-24-2012)

1.

Minimum Lot Size:

a.

Conventional subdivision lot: five acre;

b.

Cluster subdivision lot: twelve thousand five hundred square feet;

2.

Minimum Lot width:

a.

Conventional subdivision lot:

i.

Interior lot: seventy-five feet on lots of less than five acres, three hundred feet on lots of five acres or more;

ii.

Corner lot: one hundred feet on lots of less than five acres, three hundred feet on lots of five acres or more;

b.

Cluster subdivision lot:

i.

Interior lot: fifty feet;

ii.

Corner lot: seventy-five feet;

c.

Cul-de-sac: thirty-five feet;

d.

Flag lot: twenty feet;

3.

Maximum Building Height: thirty-five feet.

4.

Minimum Yard Requirements: See Section 20.07.030;

5.

Maximum Lot Coverage by Hard Surfaces:

a.

Lots five acres or greater: five percent. For those uses allowed with a special use permit, the approval authority may grant additional lot coverage by hard surfaces, of up to a maximum of ten percent, provided that conditions are also imposed to mitigate potential contamination of groundwater and to ensure the maintenance of adequate stormwater infiltration rates;

b.

Lots less than five acres: sixty percent or ten thousand square feet, whichever is less;

c.

Also see Chapter 20.07.

6.

Dedication of Open Space:

a.

Land which is divided must conform to the open space dedication requirements of Chapter 18.47 of the Subdivision Ordinance.

b.

Land developed as a special use under Chapter 20.54, must dedicate ten percent to open space per the standards of Chapter 20.32.

c.

That portion or tract of a cluster subdivision not occupied by individual building lots shall be permanently dedicated to community open space or forest practices, except as required in subsections (7)(a) or (b), above.

d.

Agricultural activities as defined in Section 20.03.040 of this code, with the exception of forest practices, are not permitted in the dedicated open space.

(Ord. 12761 § 19, 2002; Ord. 12032 § 22, 1999; Ord. 11398 § 3 (part), 1997: Ord. 10595 § 38, 1994: Ord. 9707 § 1 (part), 1991)

(Ord. No. 14773, § 7(Att. F), 7-24-2012; Ord. No. 15355, 1(Att. A, § CC), 10-18-2016)

1.

The maximum density for residential uses in this district is one dwelling unit per five acres; and

2.

The maximum number of dwelling units allowed on a site shall be calculated by subtracting all submerged lands as defined in the Shoreline Master Program for the Thurston Region from the area of the parcel and, then applying the allowed zoning density in Section 20.09D.040(1).

(Ord. No. 14773, § 7(Att. F), 7-24-2012)

Refer to the following chapters for provisions which may qualify or supplement the regulations presented above:

1.

Chapter 20.32, Open Space;

2.

Chapter 20.34, Accessory Uses and Structures;

3.

Chapter 20.40, Signs and Lighting;

4.

Chapter 20.44, Parking and Loading;

5.

Chapter 20.45, Landscaping and Screening.

(Ord. 11398 § 3 (part), 1997: Ord. 9707 § 1 (part), 1991)