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TEC
We specialize in one day dual credit classes
Need a class that is not currently scheduled??
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© 2025 Texas Environmental Consulting (TEC) Services All rights reserved. 
For ONLINE Classes through the ZOOM Platform -
All course materials will be sent via email or mail prior to class.  A meeting log in will be emailed approximately a week prior to class
Code words will be presented during the class and students must submit those along with a course quiz to receive credits

Questions??    Call / text 512 539 7004  or email [email protected]
*CORE Water Resiliency Overview
TCEQ Class # 1664
2 Hours Water Resiliency and Wastewater
*Meets TCEQ Requirements.
A "CORE resiliency class" is required for 
ALL Water License Renewals and
 NEW D Licenses beginning April 1, 2024.
* Core Class can not be taken again for Resiliency Credits





ONGOING Resiliency Classes
Safety Awareness
TCEQ Class # 1752
2 Hours Water Resiliency, Wastewater, CSI, BPAT & LI
Meets TCEQ Requirements for ONGOING Resiliency Training
Topics include why "accidents" happen and how to avoid them, 
Slips, Trips, Falls and Ladder Safety



ONLINE ONLY
4 Hour​
Chlorine/Bac-t Sampling
TCEQ Class # 597
4 Hours Water and Wastewater
Total Coliform Rule, how to take reportable bacteriological samples and how to operate a handheld chlorine analyzer 
Feb 12th
8 am 12 noon
$80



Need a D Wastewater License??
Class includes a Study Guide, 2 Practice Exams 
and Extra Supplemental Math
IN PERSON - San Antonio Area (Universal City)
or LIVE ONLINE










*The "extra" materials provided in these classes will help student better
prepare for the D Exams.  All material in the book will be discussed cover to cover 
and all math problems will be worked.

If class minimum for IN Person is not met, 
the class will become 100% LIVE ONLINE
Basic Wastewater
20 Hours WW Credits
TCEQ Class # 59
Feb 24th, 25th and 26th
​Early Registration $475 by 2/13/26  $500 after
Current TCEQ Pass Rate For D Wastewater is 52%
Online ONLY
​4 Hour
Chlorine Safety
TCEQ Class #781
4 hours for Water and Wastewater
Discuss hazards of bleach, HTH and chlorine gas. 
Show how to connect/disconnect 
gas cylinder and 1 ton,
and the use of a Repair Kit A for 
150 lb chlorine gas cylinders
Feb 12th
1 pm - 5 pm
$80
​Feb 20th
10 am - 12 noon
ONLINE ONLY
$40
March 4th
10 am - 12 noon
ONLINE ONLY
$40
In Person class held at the Universal City Public Works Building
265 Kitty Hawk Rd, Universal City, TX 78148