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Garfield County Public Health
2014 Blake Ave.
Glenwood Springs, CO 81601
Phone: (970) 945-6614 ext. 8150
For inspections, call: 970-945-6614 ext. 8150 and call the Design Engineer, if applicable
Project Address: 11749 CR 311, Silt 81652 Parcel No.: 240136200056
Owner Name: Castle Creek Valley Ranch Owner Phone:
Designed By: CBO, Inc. Designer Phone: (970) 309-5259
Number of Bedrooms: 2 Minimum Tank Capacity: 1000-gallon Minimum Absorption: 545.5 ft2
OWTS PERMIT
KEEP AVAILABLE AT PROJECT SITE
Permit Number _SEPT-9070_______________________________
Permit Type X New X Repair X Remodel/addition X Tank only
Issue Date _02/26/2025____________________ Expiration Date 02/26/2026_________________
Permit Conditions:
This OWTS Permit is approved on the condition of compliance with the report and design as submitted by CBO,
Inc. dated January 8, 2025. Changes to the design and permit must be approved by Garfield County Public
Health and the designer prior to construction.
The new OWTS will serve an existing 2-bedroom residence. The new OWTS components will consist of a 1,000-
gallon septic tank on the CDPHE approved list, set level with access to grade. A new screened high-head pump
will be installed in the second chamber of the septic tank. Effluent will be pumped to an automatic distributing
valve set at the high point of the system that will distribute effluent to 546 ft2 of STA. The new STA will consist
of a 13ft by 42ft unlined sand filter bed, consisting of at least 2 feet of secondary sand media overlain by
perforated distribution laterals placed in GeoMat distribution media. A 30 mil PVC liner must be placed on the
uphill side of the excavation for the sand filter. The liner should extend from the top to the bottom of the
sand filter on the north (uphill side) of the sand filter to provide protection from any upgradient drainage.
Distribution laterals are to be 1 ½ inch Schedule 40 PVC, with 5/32-inch orifices every 3-feet on center and the
laterals ending in flushing valves at the distal end. The orifices are to be facing downward with orifice shields.
Inspection ports are to be installed at each corner of the bed. Maintain all setbacks and elevations as designed.
The existing well will be abandoned. Proof of well abandonment must be provided. Any existing waterlines
or irrigation lines in the area of the proposed STA must be removed or abandoned.
To assist in scheduling, please contact Garfield County Public Health (970-945-6614 ext. 8150) to notify the
start of OWTS construction. Contact the designer and Garfield County Public Health at least 48 hours prior to
requesting final inspection of the installed system prior to backfill. NO OWTS COMPONENT SHALL BE
BACKFILLED WITHOUT PRIOR APPROVAL FROM GARFIELD COUNTY PUBLIC HEALTH AND THE DESIGNER.
Agreement
All installations must comply with all requirements of the Garfield County OWTS regulations
including but not limited to the conditions specified above.
In consideration of the issuance of the permit, the applicant hereby agrees to comply with all
laws and regulations related to the zoning, location, construction, and erection of the proposed
OWTS and associated structures for which this permit is granted. The applicant further agrees
that if the above said regulations are not fully complied with in the zoning, location, erection,
and construction of the above described OWTS and structure, the permit may then be revoked
by notice from the Health Department and immediately become null and void.
The issuance of a permit and specifications of terms and conditions therein will not constitute
assumption of liability, nor create presumption that the local public health agency or its
employees may be liable for the failure or malfunctioning of any system. Permit issuance will
not constitute a certification that the system, the equipment used in the system, or any
component used for system operation will ensure continuous compliance with the provision of
the OWTS Act, the regulations adopted thereunder, or any terms and conditions of a permit.
Permit Approval
Plans and specifications for the proposed OWTS have been reviewed and are considered
satisfactory. Permission is hereby given to the property owner(s) to perform the work indicated
in accordance with the Garfield County OWTS Regulation. This Permit will expire 1 year from
the date of issuance unless construction on the system has commenced. An "as-built" drawing
must be submitted and inspection of the system must be completed by GCPH before final
approval of the system will be issued.
02/26/2025
Issued By: Garfield County Environmental Health
Department
Date