10 Hour - Customer Service Inspector (CSI)

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Hours:  10  (Class time 8 am – 4 pm (Day 1) and 8 am – 11 am (Day 2) to ensure 10hours of instruction.)
Cost:  $250 (course cost increasing for 2018)

TCEQ Course Code 0173: This course is primarily designed to provide the necessary training for individuals who have met the TCEQ requirements and wish to obtain a Customer Service Inspector license. The holder of the Customer Service Inspector license may perform a Customer Service Inspection, (CSI), as outlined by the rules and regulations as provided by the Texas Commission on Environmental Quality, (TCEQ). Other licensed individuals may also receive valuable information relating to their fields.

Click here to: Check your CE Hours at TCEQ

Completing this course provides continuing education credit for the following licenses:

  • 10   hours continuing education credit for licensed Customer Service Inspector(CSI)
  • 10   hours continuing education credit for licensed Backflow Prevention Assembly Tester (BPAT)
  • 10   hours continuing education credit for licensed Water Operators
  • 10   hours of continuing education credit for Registered Sanitarians (RS)
  • 10   hours of continuing education credit for Code Enforcement Officers



  • Individuals holding a BPAT license
  • Individuals holding a CSI license
  • Individuals holding a Water Operator license
  • Registered Sanitarians
  • Code Enforcement Officers  -  Texas Department of State Health Services (TDSHS) - link to website for Code Officer / Sanitarian CEU information


Effective September 1, 2017, pursuant to TCEQ Reg-521 "Criminal History Guidelines", those with a felony criminal history should contact TCEQ Licensing Division prior to registering for a training course. Specific criminal history could negatively impact the ability to receive a TCEQ issued occupational license.

While there are no prerequisites to attend the Customer Service Inspector course, there are prerequisites for taking the Customer Service Inspector’s exam to obtain the CSI license:

RULE §30.90. Qualifications for Initial License.

(a) To obtain a license, an individual must have:

(1) met the requirements in Subchapter A of this chapter (relating to Administration of Occupational Licenses and Registrations);

(2) received a high school diploma or equivalent certificate;

(3) completed an approved customer service inspector training course;

(4) worked at least two years in an approved area which includes, but is not limited to:

(A) operation or maintenance of a public drinking water treatment or distribution system;

(B) performing activities requiring a master or journeyman plumbing license;

(C) conducting building or construction inspections; or

(D) performing duties related to this profession approved by the executive director.

(b) One year of college (32 semester hours) or an additional 20 hours of training credits may be substituted for one year of the experience requirement.



  • TCEQ Need to Know Criteria for Customer Service Inspectors
  • Customer Service Inspection Introduction
  • RG-206
  • Subchapters  A and C
  • Terminology and Definitions
  • Regulations (Federal, State, Local)
  • Customer Service Agreement
  • Customer Service Inspection Certificate
  • Backflow Prevention Assembly Test and Maintenance Report
  • Assessment of Hazard, Selection of Assemblies, Specialty Assemblies
  • Hazard Evaluation
  • Methods of  Backflow Prevention and How Each Method Prevents Backflow
  • Temperature, Pressure, Thermal Expansion
  • Water Column and Atmospheric Pressure
  • Vacuums and Siphons
  • Barometric Loop
  • Venturi and Aspirator Effects
  • Lead, Testing, and How to Reduce Exposure
  • Types of Customer Service Inspections
  • Special Considerations
  • Standard of Competency

Upcoming Classes

09/21 - 09/22/2017

San Marcos, Texas
Course Number
: 17-0173-09


Crystal Clear SUD
2370 FM 1979
San Marcos, Texas 78666

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11/08 - 11/09/2017

Irving, Texas
Course Number
: 17-0173-11


HAC Training Room
5005 W. Royal Lane, Suite 142
Irving, Texas 75063

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01/25 - 01/26/2018

Harlingen, Texas
Course Number
: 18-0173-01


Harlingen Water Works
114 North "L" Street
Harlingen, Texas 78550

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02/15 - 02/16/2018

Midlothian, Texas
Course Number
: 18-0173-02


City of Midlothian Water Treatment Plant
1761 Auger Road
Midlothian, Texas 76065

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03/22 - 03/23/2018

Amarillo, Texas
Course Number
: 18-0173-03b


Osage Water Treatment Plant
3701 South Osage Street
Amarillo, Texas 79118

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4/05 - 04/06/2018

Irving, Texas
Course Number
: 18-0173-04a


HAC Training Room
5005 W. Royal Lane, Suite 142
Irving, Texas 75063

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4/19 - 04/20/2018

Temple, Texas
Course Number
: 18-0173-04b


City of Temple
7268 Airport Road
Temple, Texas 76502

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5/10 - 05/11/2018

Houston, Texas
Course Number
: 18-0173-05


Southern Water Corp.
5710 Airline Drive
Houston, Texas 77076

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