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You are here: Home / Field Operations / Edwards Aquifer Protection / Request for a Modification of a Previously Approved Plan

Request for a Modification of a Previously Approved Plan

Forms to complete for a request to modify an approved Edwards Aquifer protection plan.

Under what circumstances would I need to submit a modification request?

A request for a modification to a previously approved plan, or modification plan, is required for any modification to a previously approved Edwards Aquifer protection plan.

You should submit a modification plan:

  • to deviate from your approved plans in the physical design of a pond, dam, berm, sewage treatment plant, flow diverter, or any other structure designed to reduce water pollution;
  • to change the way you intend to operate any of these structures;
  • to change the type of regulated activity from what was originally approved;
  • to make a change that would significantly affect the ability of the plan to prevent pollution of the Edwards Aquifer;
  • to develop land that was to be left undeveloped under your original water pollution abatement plan; and
  • to make a physical modification to an approved organized sewage collection system, UST facility, or AST facility.

When should a modification request be submitted to the TCEQ?

A modification request must go through the application submission and review process and be approved prior to the commencement of the modification.

How much is the fee?

The fee is based on the acreage of the entire area included within the legal boundaries of the property described in the application and the type of development (one single-family dwelling; multiple single-family residential or parks; and non-residential). The minimum fee is $650; the maximum fee, $10,000. For additional information on fees, view the Application Fee Form (TCEQ-0574), which includes a complete fee schedule.

How do I know what forms to complete?

The forms listed below are grouped by Recharge and Transition Zones or Contributing Zone. Use the applicable forms to prepare your modification request. 

Are there any tips for completing this request?

Do not leave any questions unanswered. If a question does not apply to your site, enter “N/A” in the blank and briefly explain why the question does not apply.

 

Forms - Recharge and Transition Zone

The following forms are required when requesting an exception in the Recharge or Transition Zones of the Edwards Aquifer.

General Information

Geologic Assessment

Modification of a Previously Approved Plan

Water Pollution Abatement Plan Application (if applicable)

Temporary Stormwater Section (if applicable)

Permanent Stormwater Section (if applicable)

Underground Storage Tank Facility Plan Application (if applicable)

Aboveground Storage Tank Facility Plan Application (if applicable)

Organized Sewage Collection System Plan Application (if applicable)

Lift Station/Force Main System Application (if applicable)

Agent Authorization

  • Form (TCEQ-0599), if application submitted by agent

Application Fee

  • Form (TCEQ-0574)
  • Check payable to the “Texas Commission on Environmental Quality”

Core Data Form

 

Forms - Contributing Zone

The following forms are required when requesting an exception in the Contributing Zone of the Edwards Aquifer.

Modification of a Previously Approved Contributing Zone Plan

Contributing Zone Plan Application

Temporary Stormwater Section (if applicable)

Stormwater Pollution Prevention Plan (if applicable)

Notice of Intent (NOI) for Stormwater Discharges Associated with Construction Activity under TPDES General Permit (TXR150000) (if applicable)

Agent Authorization

  • Form (TCEQ-0599), if application submitted by agent

Application Fee

  • Form (TCEQ-0574)
  • Check payable to the “Texas Commission on Environmental Quality”

Core Data Form

Who can I contact if I need help?

If you are located in Williamson, Travis, or Hays County, call the TCEQ’s Austin Regional Office at 512-339-2929. For help in Comal, Bexar, Medina, Uvalde, or Kinney County, call TCEQ’s San Antonio Regional Office at 210-490-3096.

Program Updates

Change to the Administrative Review Process
Beginning Nov. 1, 2014, the Application Submission and Review process will change for EAPP applications. Important information

Public Meetings

The TCEQ is holding its annual public hearings to receive comments about protecting the Edwards Aquifer from pollution. There will be a meeting in Austin and one in San Antonio:

Dec. 16, 2014, Austin
Dec. 17, 2014, San Antonio

Important information