Designer - How to Apply for OSSF
  • It is recommended that a pre-construction planning meeting is held. During the planning meeting, permitting, separate plumbing requirements, licensed professionals required for OSSF, water reuse permits, industrial strength waste, irrigation systems, protection for sewer lines in parking areas and other common pitfalls are discussed. Contact us at 512.943.3330 to schedule a meeting.
  • Commercial systems will have other permit requirements that may delay the application. For instance, if within the Edwards Aquifer Recharge Zone, an authorization to construct the OSSF can’t be granted until the owner has an approved Edwards Aquifer Protection Plan with the TCEQ.
  • If site is within an ETJ or the city limits of a jurisdiction, there may be additional platting requirements. For example, the City of Georgetown and City of Taylor require all newly created lots less than five acres to go through a platting process.
  • Commercial applications may include many different flows from different sources, such as high strength wastewater or need separate plumbing requirements.
  • No two commercial systems will be the same and any change of use will require a new permit. To help identify the owner’s plans, we have created a Commercial Use Questionnaire. Review this document with the owner determine the wastewater flow.

How to Apply Electronically:

  1. Review the Instructions for Submitting an OSSF Application document before completing the forms.
  2. Complete and submit the OSSF Application.
  3. Complete and submit the OSSF Application Requirements Checklist.
  4. Submit the application and all attachments:
    • If the application and attachments are less than 15 MB in size the files may be emailed to our mailbox at [email protected]
    • If the application and attachments are greater than 15 MB in size the files may be transferred through an online portal here. Please contact an OSSF Staff Member at 512.943.3330 to obtain access to the online portal.

Designer Checklists

Designers can review our checklists for site evaluation and design, and state-approved manuals for low pressure dose and mound design criteria.