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Applying for Authorization under the Water Treatment Plant General Permit

Steps to determine if you qualify for and how to obtain authorization under the Water Treatment Plant General Permit TXG640000. This permit authorizes the discharge of wastewater generated as a result of conventional water treatment at water treatment facilities into or adjacent to water in the state. Links to forms and relevant guidance.

PLEASE NOTE: Effective January 29, 2022, applicants must submit the application forms using the online e-permitting system or request and obtain an electronic reporting waiver. Electronic reporting waivers are not transferable and expire on the same date as the authorization to discharge.

Before discharging wastewater from a conventional water treatment plant into or adjacent to any water in the state  of Texas, you must:

A. Review your facility's compliance history rating:

  • If the compliance history rating is "high," "satisfactory," or "inadequate information," you may qualify for coverage under this general permit.
  • If the compliance history rating is "unsatisfactory," then you must obtain an individual permit instead.

B. Read the Water Treatment Plant General Permit TXG640000(WTP GP)Microsoft Word Document to determine if it applies to your facility.

  • If the WTP GP does not apply, you must obtain an individual permit, if you don’t already have one.
  • If the WTP GP does apply AND you land apply the wastewater, you can be automatically authorized simply by complying with the terms of the general permit. An application is not required.
  • If the WTP GP does apply AND you discharge into water in the state, you may submit an application to obtain coverage under the general permit.

C. To apply for coverage under this general permit, you must: apply online using these instructionsMicrosoft Word Document.

NOTE: If you are discharging to an MS4, you must submit a copy of the NOI, NOC, and/or NOT to the operator of that system at the same time you submit the forms to TCEQ.

Complying With Your Permit

After obtaining coverage under the WTP GP you must:

  • Adhere to the requirements of the WTP GP.
  • Submit the Discharge Monitoring Reports online.
  • Pay the annual fee within 30 days of receipt of the invoice.
  • Submit a Notice of Change(NOC) if you, as the owner or operator, become aware that you failed to submit any relevant facts, submitted incorrect information, or if previously submitted information has changed.
  • Submit a Notice of Termination(NOT) when all discharges authorized by the permit are eliminated, completed, or if the operator or owner changes.

The permit coverage continues to be active until a NOT is submitted. Annual water quality fees will accrue on September 1st of each year that the permit is active.

Paper Forms

If you do not have access to a computer, you must call the:

  • TCEQ Application Review and Processing Team at 512-239-4671 to obtain the paper application forms; and
  • TCEQ Compliance Monitoring Team at 512-239-2545 to obtain paper Discharge Monitoring Report forms.

Annual Fees

Coverage continues to be active until a Notice of Termination is submitted. Annual water quality fees will accrue on September 1st of each year that the permit is active. An invoice for the annual fees will be mailed each year to the billing contact identified in your application as follows:

Daily Average Flow (Million Gallons per Day)Annual Fee

< 0.25 $1,250
≥ 0.25 but < 0.75 $2,500
≥ 0.75 but < 1.0 $4,500
≥ 1.0 but < 2.0 $7,000
≥ 2.0 but < 5.0 $20,000
≥ 5.0 but < 10.0 $35,000
≥ 10.0 but < 15.0 $50,000
≥ 15.0 $75,000

Contact us if you have questions.