HomeMy WebLinkAboutO2025-008 BOARD OF COUNTY COMMISSIONERS
COUNTY OF KITTITAS
STATE OF WASHINGTON
ORDINANCE NO. 2025 -000
AN ORDINANCE TO AMEND CHAPTERS 13.08 OF THE KITTITAS COUNTY CODE
WHEREAS: the Kittitas County Board of Commissioners (BOCC) hereby adopts this
Ordinance pursuant to and by the authority of Chapter 70.05 of the
Revised Code of Washington and Article 11, § 11 of the Washington
Constitution to enact regulatory measures to preserve, promote, and
improve the public health; and
WHEREAS: the purpose of this Ordinance is to provide for and promote the health,
safety, and welfare of the general public, and not to create or otherwise
establish or designate any particular class or group of persons who will or
should be especially protected or benefited by this Ordinance; and
WHEREAS: the provisions of this Ordinance shall be liberally construed for the
accomplishment of its purpose; and
WHEREAS: nothing contained in this Ordinance is intended to be nor shall be
construed to create or form the basis for any liability on the part of the
Board of Health, Kittitas County, or any of its officers, employees, or
agents, for any injury or damage resulting from the failure of any person
subject to Chapter 13.08 of the Kittitas County Code to comply with this
Ordinance, or by reason or in consequence of any act or omission in
connection with the implementation or enforcement of the above
referenced Chapter on the part of the Board of Health, Kittitas County, or
any of its,officers, employees, or agents; and
WHEREAS: the BOCC wishes to update the County Code concerning Onsite Sewage
Disposal Systems and Solid Waste Disposal Sites; and
WHEREAS: a public hearing was held on August 14, 2025 and the public was provided
due notice and opportunity to provide testimony on the proposed
ordinance; and
WHEREAS: the BOCC believes that adopting this Ordinance would be in the best
interest of Kittitas County; and
NOW, THEREFORE BE IT ORDAINED: by the Board of Health of Kittitas County that
Chapter 13.08 of the Kittitas County Code be amended to read as follows:
Chapter 13.08
PRIVATE SEWAGE DISPOSAL SYSTEMS IN PLATS
Sections
13.08.010 Plats - Filing fees.
1_3.08.02.0 Preliminary plat map and preliminary application submission.
13.08.030 Preliminary plat map- Data required.
1_3.08.040 Soil logs- Number and depth.
13.08.050 Use with community water supply- Lot area.
13.08.060 Lots below minimum area - Public system required.
13.08.070 Wells and septic tanks on same lot- Lot size.
13.08.080 Low mean ground water level unacceptable.
13.08._090 Recording plat-Conditions precedent.
13.08.010 Plats- Filing fees.
Plats submitted to the health department with homes to be connected to septic tanks and
drain fields require a filing fee of one dollar per lot. For plats with homes to be connected to
sewers with one hundred lots or less, the fee is fifty cents per lot; one hundred lots or more,
the maximum fee is fifty dollars. The fee is payable to the county health department and
must be paid at the time of submitting the subdivision map for consideration. (Res. 72-69
Reg. 11 § 1, 1972).
13.08.020 Preliminary plat map and preliminary application submission.
Preliminary plat map and preliminary application shall be submitted to the health
department on or before the same deadline date as required by the planning commission.
(Res. 72-69 Reg. 11 §2, 1972).
13.08.030 Preliminary plat map-Data required.
Each preliminary plat map shall show the contour lines and approximate location of soil log
holes.These holes must be flagged for easy location. (Res. 72-69 Reg. 11 § 3, 1972).
13.08.040 Soil logs- Number and depth.
A minimum of one soil log for each five acres shall be dug to a depth of seven feet. (Use
separate sheet to report data.)This work shall be done by a soil tester-designer licensed in
Kittitas County. (Res. 72-69 Reg. 11 §4, 1972).
13.08.050 Use with community water supply- Lot area.
When a private septic tank system is planned in conjunction with a community water
system, each lot supporting a single-family dwelling shall have a minimum of twenty-two
thousand square feet(approximately one-half acre). (Res. 72-69 Reg. 11 § 5, 1972).
13.08.060 Lots below minimum area- Public system required.
Any lot less than twenty-two thousand square feet (approximately one-half acre) must be
serviced by an active public sewer system or other sewage disposal system approved by
the health department. (Res. 72-69 Reg. 11 § 6, 1972).
13.08.070 Wells and septic tanks on same lot- Lot size.
The minimum lot size shall be forty-three thousand five hundred sixty square feet
(approximately one acre)where individual wells and septic tank systems are located on the
same lot. Exception to this requirement shall be limited to zoning districts which allow one
residential lot per gross acre in a platted subdivision. (Res. 72-69 Reg. 11 § 7, 1972).
13.08.080 Low mean ground water level unacceptable.
In lots that have low mean ground water levels less than four feet from the top of the
ground shall not be considered satisfactory for individual sewage disposal systems unless
the Health Officer obtains detailed site plans and approved OSS designs prior to final
approval of subdivisions proposals to mitigate risks
13.08.090 Recording plat-Conditions precedent.
Prior to recording of a plat, the following shall apply:
1. Where public water is available within one-half mile or less of any proposed plat,
water shall be provided by this means. A letter from the water district, city or other
stating that arrangements have been made to supply the plat must be attached.This
provision shall not apply to the Airport Overlay.
2. When a community water supply is to be provided, detailed drawings of a water
distribution system shall be submitted. A well shall be constructed, a pump and
storage tank shall be installed, and a letter from the Washington State Department
of Health stating that plans and specifications have been approved shall be
attached.
3. When an individual well is to be constructed on each lot, well sites shall be located
on the plat map.
4. There shall be one soil log hole to a depth of forty-eight inches on each lot located in
the approximate drainfield area.When percolation tests are requested (use
separate sheet), test holes must be at a depth of thirty-six inches. Larger lot sizes
may be required when percolation rates are over twenty minutes per inch.This work
shall be done by a registered engineer or licensed designer.
5. Where septic tanks are to be used,there shall be a minimum depth of three feet of
porous soil above hardpan, clay, or ground water. Fill material more than eighteen
inches shall require approval by the health department. Each test hole shall be
clearly marked for easy identification by a stick or flag. If the test holes cannot be
properly identified, it may result in the plat not being considered for recording.
6. If natural growth prevents the health department from making an adequate
evaluation of the proposed plat, then clearing and grubbing may be specified for
those areas of the plat that are in question.
7. Lots must be numbered and staked.
8. Submit a copy of the final linen that will be filed for recording.
9. Notify this department seven days prior to date of recording for a site inspection.
10. It is the design engineer's responsibility to see that the sponsor or owner has
complied with the above items pertinent to recording his plat, before the health
department can give approval to the planning department for acceptance.
11.Any variances from the platting requirements of this regulation shall require
approval by the health officer prior to submission for platting. (Ord.2019-013, 2019;
Res. 72-69 Reg. 11 § 9, 1972).
ADOPTED this iAday of August 2025.
BOARD OF COUNTY COMMISSIONERS
K7ITTITA COUNTY, WASHI NGTON
Ca i sio aura Osiadacz, Chairman
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7 � Commissioner Cory fight, Chairman
l�r 5 Commiss oner nett Wachsmith
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ATTEST:
CLERK�O THE BOARD— ��Y4. �'
❑ Julie Kjorsvik
[Mandy Buchholz