On-site Sewage Facility Permit Procedures
Application and permit must be approved prior to construction. Unauthorized construction can result in civil or administrative penalties.
FOR ALL TYPES OF ON-SITE SEWAGE FACILITIES, THE FOLLOWING IS REQUIRED TO BE SUBMITTED:
A. Application for and Authorization to construct an on-site sewage facility.
1. This permit can be picked up at Argyle Town Hall at 506 N. Hwy 377.
2. Application must be fully complete before being returned for review. This includes all signatures and necessary information. Permit will not be reviewed if it is not complete.
B. Site Evaluation- It is recommended that the site evaluation be performed by a TCEQ licensed Site Evaluator.
1. Two soil borings or two backhoe pits shall be taken in opposite ends of the proposed disposal area. Locations must be shown on the site drawing.
2. Borings or backhoe pits must be excavated to the depth of two feet below the proposed excavation or until a restrictive horizon (clay, groundwater, rock, etc.) is encountered.
3. If a surface irrigation system is being considered for the property, a site evaluation must be performed. The site must demonstrate that it can support ground cover, which must be documented by the site evaluator.
4. For all types of on-site sewage facilities, Two (2) copies of the site evaluation report must be submitted, and the following shall be included:
+ Soil texture analysis.
+ Soil structure analysis.
+ Depth of soil test.
+ Any restrictive horizon elevations.
+ Topography, slopes.
+ Flood Hazard.
+ Vegetation.
+ Any easements and bodies of water (lakes, ponds, and creeks) must be identified.
+ Location of all buildings (existing or proposed), pools, driveways, and other structures.
+ All separation distances according to TCEQ Table X of "The Rules”.
+ All water wells on site and neighboring properties.
C. All submitted site drawings shall me made with Two (2) copies and contain the following:
o All submitted drawings must be drawn to scale.
o Address and legal description of project.
o Compass North
o Proposed location of on-site sewage facility location and dimensions of all structures on site (pools, driveways, barns, decks, etc.).
o Location of Property Lines, lot size, name of street(s) or roads.
o Any proposed or existing wells, including adjacent property within 100 feet from the on-site sewage facility
o Water supply lines.
o Drainage and utility easements
o Creeks, flowage easements, ponds and lakes.
o Flood plain/zone if any on property. If not indicate so.
o Any sharp slopes, or breaks greater than 30% for conventional systems and 15% for surface irrigation systems.
o Location of borings.
o All separation distances from on-site sewage facility according to TCEQ Table X of "The Rules".
D. For all types of OSSF’s Two (2) Technical Reports must be submitted with the following:
o Each application for an OSSF permit shall be accompanied by a report outlining the planning and operation of the entire wastewater treatment and disposal system.
o A basis of planning, construction drawings, calculations, and system flow diagram shall be included in this report.
E. Surface Irrigation systems require special planning materials. They are as follows:
o All surface irrigation type systems require professional design, either by a Registered Sanitarian or a Professional Engineer.
o All surface irrigation systems require an affidavit to the public which must be filed and stamped by Denton County. The Town of Argyle has the appropriate affidavit form that can be picked up along with the permit application.
o Surface irrigation systems also require an on-going maintenance contract with a certified maintenance company. The TCEQ defines maintenance company as "a person in the business of maintaining OSSFs. At least one individual in the company must hold an Installer II certificate or a Class D or higher wastewater operator certificate and be certified by the appropriate manufacturer’s maintenance program for the proprietary unit being maintained." A copy of this certification shall be kept on file with The Town of Argyle.
o All installers of surface application systems must supply to The Town of Argyle a copy of certification from the appropriate aerobic manufacturer. This will need to be done for each type of aerobic unit the installer will work on or install.
F. All Installers must provide the Town of Argyle with the appropriate documents before a permit will be issued.
o All installers must show documentation as to the certificates they possess as well as any employees.
o All installers must provide documentation as to the name of each aerobic manufacturer that they are certified to install or perform maintenance upon.
G. When electrical work is required for the installation of an on-site sewage facility, the electrical contractor must have a license to work in Argyle.
o A separate electrical inspection must be called in prior to an inspection of the on-site sewage facility.
o Inspections for electrical work must be called in to the Building and Inspection Services Division at 940-464-7273.
o No on-site sewage facility inspection will be conducted until the electrical work has been inspected and approved by a building inspector of the Town of Argyle.
H. Inspections for the construction and operation of the on-site sewage facility must be called in the day before the desired inspection. You may contact Troy Norton at 940-464-3449 to set up an appointment.
o A transit must be on site for inspection
I. A certificate of occupancy (final) inspections for the new home construction with an on-site sewage facility will not be conducted until the following is submitted.
o As-built drawing (site plan) indicating the location of the OSSF as installed, and all setbacks from property lines, bodies of water, easements, water wells, structures, swimming pools, and driveways.
o All surface irrigation systems will be checked for ground cover before a final certificate of occupancy will be issued.
