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Along with the mandatory Development Permit (Floodplain Permit), anyone needing to construct or replace an OSSF (On-Site Sewage Facility) will also need to have a permit on file with this office.  In Lavaca County all parcels of property needing an OSSF will need to obtain a permit to install, replace or repair the on-site sewage facility.  No homeowner is allowed to install or maintain their On-Site Sewage Facility or maintain it after installation if the system requires it.  All septic permits must be applied for through a TCEQ licensed professional OSSF installer of your choice.  The choice of system is based on the soil evaluation that will be conducted on the proposed location where the system will be installed.  Lavaca County does have an Ordinance on file regarding On-Site Sewage Facility Regulations and Lavaca County understanding the technical criteria, legal requirements, and administrative procedures and duties associated with regulating all OSSF’s, accepts the responsibility of enforcing any and all Texas Health & Safety Codes, Texas Water Codes and Texas Administrative Codes relating to the On-Site Sewage Facility Regulations.


Gary Etzler
Designated Representative (DR)
Phone: (361) 798-5310
Fax: (361) 798-5490


Please submit all paperwork and payment to the Floodplain/OSSF/Commissioner's office at the Lavaca County Courthouse.  To obtain the revised OSSF Application for Lavaca County please Click here for OSSF Application  Click here for Soil & Site Evaluation Form Click here for Floodplain Application

Lavaca County has 5 business days to submit the Application to the Designated Representative. The Designated Representative will approve or deny an application within 30 days of receiving the application.  The DR will send an Approval to Construct via email or fax.  NO CONSTRUCTION of the OSSF will be allowed to begin until that ATC has been received.  

Scheduling for inspections:
Will be by appointment only according to the DR's schedule, weather permitting. 

Lavaca County On-Site Sewage Facility Program Information

Lavaca County Adopted On-Site Sewage Facility Order - Click Here

On-Site Sewage Facilities (Septic Systems): Helpful Information for Homeowners - Click here

Chapter 285- On-Site Sewage Facilities information - Click Here

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