Available Water Quality General Permits

• TPDES General Permit TXG670000 Renewed
• Amendment with Renewal of TCEQ General Permit TXG920000
• Available General Permits

The discharge of wastewater and certain types of storm water into or adjacent to water in the state (HTML) must be authorized by the Texas Commission on Environmental Quality (TCEQ). This authorization may come in the form of an individual discharge permit or a general permit. Seeking authorization under a general permit is generally less time-consuming than authorization under an individual permit and usually requires fewer resources.

TPDES General Permit TXG670000 Renewed

Texas Pollution Discharge Elimination System (TPDES) General Permit TXG670000 for the discharge of hydrostatic test waters was renewed and is effective as of April 5, 2010. The permit, Fact Sheet and Executive Director’s Preliminary Decision (PDF) and Notice of Intent (NOI) (PDF) are available. (Help with PDF.) PLEASE REVIEW THE PERMIT TO DETERMINE IF AN NOI IS REQUIRED FOR AUTHORIZATION. Some discharges do not require that an NOI be submitted for authorization under this general permit. (See Part II. Section C.1. of the general permit.) See Hydrostatic Test Water Quality Permit: Am I Regulated? (HTML) and General Permit Requirements for Hydrostatic Test Water Permits (HTML) for further details.

Amendment with Renewal of TCEQ General Permit TXG920000

An amendment with renewal of Texas Pollutant Discharge Elimination System (TPDES) General Permit TXG920000) (PDF) was issued on July 9, 2009. The CAFO General Permit will be effective on July 20, 2009. The draft permit (PDF) and fact sheet (PDF) are available for review. Please contact Laurie Fleet at (512) 239-4671 if you have any questions.

Available General Permits

The following Water Quality General Permits are available:

• Aquaculture General Permit (TX130000), which authorizes the discharge of wastewater from concentrated aquatic animal production facilities, aquatic animal production facilities, and certain related activities. (Help with PDF.)

• Municipal Separate Strom Sewer System (MS4) (TXR040000) (HTML), which authorizes the discharge of storm water from certain small MS4s.

• Multi-Sector General Permit (TXR050000) (HTML), which authorizes discharges of storm water from certain industrial activities.

• Construction General Permit (TXR150000) (HTML), which authorizes discharges of storm water from construction activities.

• Ready-Mixed Concrete Plants, Concrete Products Plants, and Their Associated Facilities General Permit (TXG110000) (HTML), which authorizes the discharge of facility wastewater, contact storm water, and storm water associated with this industrial activity.

• Petroleum Bulk Stations and Terminals General Permit (TXG340000) (HTML), which authorizes the discharge of facility wastewater, contact storm water, and storm water associated with industrial activities from petroleum bulk stations and terminals.

• Hydrostatic Test Water General Permit (TXG670000) (HTML), which authorizes the discharge of hydrostatic test waters.

• Petroleum Fuel or Petroleum Substances General Permit (TXG830000) (HTML), which authorizes the discharge of water contaminated by petroleum fuel or petroleum substances.

• Concentrated Animal Feeding Operations (CAFO) General Permit (TXG920000) (HTML), which authorizes the discharge by evaporation or irrigation of manure, litter, and wastewater associated with the operation of a CAFO.

• Manure Compost General Permit (WQG200000), which authorizes the disposal of wastewater generated from livestock manure compost operations by evaporation or irrigation.

• Quarries in the John Graves Scenic Riverway Permit (TXG500000 ) (PDF), which authorizes the discharge into or adjacent to water in the state from quarries located greater than one mile from a water body in a water quality protection area in the John Graves Scenic Riverway.

Contact us if you have questions.