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 Pretreatment Program
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The City of Round Rock Pretreatment Program regulates non-domestic discharge to the Brushy Creek Regional Wastewater System (BCRWS) sewage collection and treatment facilities.  Regulation of such discharges is necessary to achieve the following objectives:

  • To prevent interference with the operation of the facilities
  • To prevent pass-through of the treatment facilities
  • To prevent any other condition which would be incompatible with the facilities
  • To ensure the quality of sludge to allow its use and disposal in compliance with statutes and regulations
  • To improve the opportunity to recycle and reclaim wastewater and sludge
  • To provide for equitable distribution of the cost of operation, maintenance and improvement of the publicly owned treatment works (POTW)
  • To enable the POTW to comply with Texas Pollutant Discharge Elimination System (TPDES) permit conditions, sludge use and disposal requirements and any other federal or state laws

The City of Round Rock Pretreatment Program is defined in the City of Round Rock Code of Ordinances Chapter 44, Article IV.

New and Non-Permitted Users | All Users | Permitted Users: Forms
Pollution Prevention | Surcharge and Grease Program

New and Non-Permitted Users

Industrial User Survey

The City of Round Rock Pretreatment Program is required to routinely collect information from non-domestic dischargers to help the City evaluate the nature of wastewater from each business to determine whether a wastewater discharge permit is required.  Click here to access the Industrial User (IU) Survey

After the IU Survey is submitted to the City, the City will review it and determine if a wastewater discharge permit is necessary.

Who needs a wastewater discharge permit?

All Significant Industrial Users (SIU) are required to obtain a wastewater discharge permit prior to discharging process wastewater into the sanitary sewer system.  An SIU is defined as a facility that meets any of the following criteria:

  • A categorical industrial user (CIU) facility subject to national categorical pretreatment standards
  • A facility that discharges an average of twenty-five thousand (25,000) gallons per day (gpd) or more of process flow to the POTW
  • A facility that contributes a process flow which makes up five (5) percent or more of the average dry weather hydraulic or organic capacity of the POTW treatment plant, or
  • Any other facility that the City believes has a reasonable potential for adversely affecting the sewer system and the POTW treatment plant

Additionally, any other business, individual or entity connected to the sanitary sewer, which, in the opinion of the City, requires a permit, is also required to obtain a wastewater discharge permit.

How is a wastewater discharge permit obtained?

Follow the instructions outlined in the Permit Application Instructions to complete the City of Round Rock Application for Sewage Discharge Permit.

New users must submit an application for Sewage Discharge Permit according to the following schedule:

  • New SIU:  Application shall be submitted at least 180 days prior to commencing discharge of process wastewater.
  • Other new users:  Application shall be submitted at least 90 days prior to commencing discharge of process wastewater.

Permitting Process

All Users

Applicable Pretreatment Standards

These standards shall apply to a user whether or not the user is subject to other federal, state or local requirements.

Enforcement

  • Enforcement Response Guide.  Outlines which type and the escalating level of enforcement that occurs based on the non-compliance and the nature of the violation.

Permitted Users' Forms

A.  All Permitted Users

  1. Permit Renewal Application.  Due at least ninety (90) days prior to expiration date of existing permit.
  2. Application of Permit Modification.
    a.  SIU - application due at least 180 days prior to the date the change in discharge is expected to begin
    b.  Other users - application due at least 90 days prior to the date the change in discharge is expected to begin
  3. Spill/Slug Control Plan (SSCP) form. 
    a.  Minimum Requirements for a Spill/Slug Control Plan.
    b.  Annual Document Review form.  The SSCP needs to be reviewed and/or updated annually as stated on this example form.
  4. Authorized Representative Designation form.  Form need anytime the designated signature authority person is changed.
  5. Discharge Monitoring Report (DMR) form.  Example form for submitting semi-annual, monthly or one-time, required sampling results.
  6. Example Chain of Custody (COC) form.  (Actual COC form must be submitted with any sampling results.)
  7. Sampling Certification Statement form.  Example form to be submitted when extra samples are taken in addition to the required DMR frequency.

B.  Categorical Industrial Users (CIU)

  1. Toxic Organic Management Plan (TOMP).  A TOMP may be used as an alternative to monitoring Total Toxic Organics (TTO) for some industrial categories.
    a.  TOMP Certification form.  This example certification form issued specifically to each industry must accompany the discharge monitoring report (DMR) if certification is used in lieu of sampling for TTO.
    b.  Annual Document Review form.  The TOMP needs to be reviewed and/or updated annually as stated on this example form.

For more information, please contact:

City of Round Rock Pretreatment Program
2008 Enterprise Drive
Round Rock, Texas 78664
Phone:  (512) 218-5559
Fax:  (512) 341-3316
E-mail:  jknebel@roundrocktexas.gov

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City of Round Rock | 221 East Main Street, Round Rock, Texas 78664 | Phone: (512) 218-5400
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