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Available Water Quality General Permits

View a list of general permits that authorize the discharge of wastewater and/or storm water into waters in the state.

The discharge of wastewater and certain types of stormwater 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.

Updated InformationRenewal of General Permit No. TXG670000

The TCEQ is proposing to renew and amend General Permit TXG670000, which authorizes the discharge of hydrostatic test water from new vessels; vessels that contained raw water, potable water, or elemental gases; or vessels that contained petroleum product or waste related to petroleum products. The draft permit is available for public review and comment. The fact sheet contains additional information about the draft permit. The public notice contains information on how to submit comments on the draft permit. The comment period ends on November 24, 2014.

ISSUED Renewal of General Permit No. TXG920000

On July 2, 2014, the Commission adopted a renewal and amendment of General Permit TXG920000, which authorizes the discharge of manure, sludge, and wastewater into or adjacent to water in the state by Concentrated Animal Feeding Operations (CAFOs). The fact sheet contains additional information about the permit. Permittees currently authorized under the previous general permit must submit a Notice of Intent prior to January 16, 2015.

The following Water Quality General Permits are available:

  • Aquaculture General Permit (TXG130000), which authorizes the discharge of wastewater from concentrated aquatic animal production facilities, aquatic animal production facilities, and certain related activities.

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

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

  • Construction General Permit (TXR150000) (HTML), which authorizes discharges of stormwater 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 stormwater, and stormwater associated with this industrial activity.

  • Petroleum Bulk Stations and Terminals General Permit (TXG340000) (HTML), which authorizes the discharge of facility wastewater, contact stormwater, and stormwater 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.

  • Pesticides General Permit (PGP) TXG870000 (HTML), which authorizes the discharge of pesticides for the control of mosquitoes and other insects, vegetation and algae, animal pests, area-wide pests, and forest-canopy pests.

  • 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 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.

  • Evaporation Pond General Permit (WQG100000 ) (HTML), which authorizes wastewater generated by industrial or water treatment facilities to be disposed of by evaporation from surface impoundments adjacent to water in the state.

Contact us if you have questions.

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