On-Site Sewage Facilities (OSSF) are wastewater systems designed to treat and dispose of effluent on the same property that produces the wastewater. Most people know them as septic systems. Regular maintenance and inspection of OSSF protects public and environmental health, increases system longevity, and enhances private property use and value.

H-GAC offers various programs, workshops, and resources for real estate professionals, homeowners, and the public.

Texas Commission on Environmental Quality (TCEQ) OSSF Program COVID-19 General Guidance

On-Site Sewage Facilities Data

Current On-Site Sewage Facilities (OSSF) data is available in an interactive OSSF mapping tool. view the locations of permitted ossf by age, authorized agent or permitting authority, number of permits per square mile, and likely locations for old or unpermitted OSSF.

Authorized Agents in the H-GAC Region

Area Authorized Agent
Austin County Alfonso Acosta
Brazoria County Karen Carroll
Chambers County Darla Branch
City of Baytown Cruz Hernandez
City of Beach City Reginald Nailey
City of Brookside Village Robert Lira
City of Huntsville Larry Wells
City of Manvel Robert Lira
City of Old River-Winfree Joe Landry
City of Surfside Beach Pedro Gutierrez
Colorado County Charles Rogers
Fort Bend County Troy Scalco
Galveston County Martin Entringer
Harris County Raymond Beckford
Liberty County Luis Bergman
Matagorda County Ruben Gonzales
Montgomery County Frank Green
San Jacinto River Authority Randy Acreman
Trinity River Authority Richard Gerard
Walker County Andrew Isbell
Waller County Winford Roberts
Wharton County Monica Martin

On-Site Sewage Facilities Fact Sheets

On-Site Wastewater Treatment Systems (46)
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Pollution Prevention (1)
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Homeowner Wastewater Assistance Program for OSSF Repair/Replacement

H-GAC has funding available for the repair and replacement of failing conventional septic systems or aerobic on-site sewage facilities. Funding is available to homeowners who meet certain income restrictions. No matching funds are required. For more information, please contact us at [email protected].

H-GAC Wastewater Assistance Program Flyer (PDF in English and Spanish)