Item 7F (2)Ordinance 480-YYY
Modifications to
Zoning Ordinance 480 regarding
On-Site Sewage Facilities (OSSF)
On-Site Sewage Facilities
Existing Regulation
•Lots within 100’ of available sewer service
must connect
Ordinance No. 514 (1990)
•Minimum lot size for septic system is 1 acre
Section 41.3, Zoning
•Septic and spray fields must be shown on
Concept Plans
Ordinance No. 480
•1 acre minimum exclusive of area within
Section 33.14, Zoning
floodplain, drainage & flowage easements,
Ordinance No. 480
and “topographical limitations”
Section 8.01, Subdivision
•Refers to minimum lot area required by
zoning ordinance
Ordinance No. 483
•Permitting & Inspections of on-site sewage
TCEQ / Tarrant County Health
facilities
Sections 33.14, 40.3, & 41.3
For properties proposing an onFor properties proposing an on--site sewage facility, a plan site sewage facility, a plan
is required that shows the type and location of the onis required that shows the type and location of the on--site site
sewage facility, topography of the site, location of spray sewage facility, topography of the site, location of spray
fields, all easements, impact on any existing trees, and any fields, all easements, impact on any existing trees, and any
additional information required by the Authorized Agent additional information required by the Authorized Agent
responsible for onresponsible for on--site sewage facility permitting and site sewage facility permitting and
inspections.inspections.
No building permit shall be issued until such plan has been No building permit shall be issued until such plan has been
reviewed and approved by the authorized agent nor shall reviewed and approved by the authorized agent nor shall
any certificate of occupancy be issued until the system has any certificate of occupancy be issued until the system has
been properly installed and inspected by the authorized been properly installed and inspected by the authorized
agent.agent.(As amended by Ordinance No. 480(As amended by Ordinance No. 480--YYY)YYY)
Section 4
AUTHORIZED AGENT RESPONSIBLE FOR ONAUTHORIZED AGENT RESPONSIBLE FOR ON--
SITE SEWAGE FACILITY PERMITTING AND SITE SEWAGE FACILITY PERMITTING AND
INSPECTIONSINSPECTIONS––The individual, organization, or The individual, organization, or
government entity contracted with the City that government entity contracted with the City that
is responsible for the proper implementation of is responsible for the proper implementation of
Texas Health and Safety Code Chapter 366 and Texas Health and Safety Code Chapter 366 and
Texas Administrative Code Chapter 285. (As Texas Administrative Code Chapter 285. (As
amended by Ordinance No. 480amended by Ordinance No. 480--YYY)YYY)
Questions?
How do On-site Sewage Facilities Work?
Anaerobic (Septic) Systems
•Not appropriate for much of
North Texas’ soil
•15% of today’s installations
are traditional “septic”
systems
•Greater potential for odor,
blockage, environmental
impact, etc.
How do On-site Sewage Facilities Work?
Aerobic Systems
•48 different designs on
the market
•Typically used with spray
heads
•Cleaner effluent
•More equipment and
electricity use
•Costlier and more
potential for failure
On-Site Sewage Facilities
Policy Considerations
•Leach / Aeration Field Setbacks
–Between 25’ and 50’
•Drainage, Flowage, & Floodplain Easements
•Detailed OSSF plans for developments of __ lots
or more or for R-PUDs, etc.
•Requiring maintenance contract for C.O.
•Building Code:
–Maximum distance under ground 8-12 inches
–Air pressure gauge requirements