TCEQ IRRIGATION LICENSE STUDY
GUIDE QUESTIONS AND ANSWERS
Definition of cross-connection? ✅✅correct answ-Any actual or potential connection between a
potable water supply and any source of contamination or pollution.
Degree of hazard ✅✅correct answ-A measure of the degree of risk or harm to the public's health.
General installation requirements of BPA ✅✅correct answ-Device must check/pass Back-
siphonage, Back-pressure, constant pressure, non-health hazard, health hazard.
Installation requirements of AVB ✅✅correct answ--Installed 6" above the highest head or outlet
in the system.
-No Valves
-Downstream.
-Installed vertically.
Installation and inspection requirements for public water system to BPA ✅✅correct answ-
installation requirements of PVB ✅✅correct answ-12" above the highest sprinkler head
Vertically installed
Installation requirments of RPZ ✅✅correct answ-12" above ground
Installation requirements of DCV ✅✅correct answ-Horizontal or Vertical above or below ground.
Limits of Double check valve ✅✅correct answ-Is a high hazard/health hazard *
Limits of AVB ✅✅correct answ-Can not handle more than 12 hours of constant pressure, not
approved by the state of Texas, does not protect against back-pressure.
GUIDE QUESTIONS AND ANSWERS
Definition of cross-connection? ✅✅correct answ-Any actual or potential connection between a
potable water supply and any source of contamination or pollution.
Degree of hazard ✅✅correct answ-A measure of the degree of risk or harm to the public's health.
General installation requirements of BPA ✅✅correct answ-Device must check/pass Back-
siphonage, Back-pressure, constant pressure, non-health hazard, health hazard.
Installation requirements of AVB ✅✅correct answ--Installed 6" above the highest head or outlet
in the system.
-No Valves
-Downstream.
-Installed vertically.
Installation and inspection requirements for public water system to BPA ✅✅correct answ-
installation requirements of PVB ✅✅correct answ-12" above the highest sprinkler head
Vertically installed
Installation requirments of RPZ ✅✅correct answ-12" above ground
Installation requirements of DCV ✅✅correct answ-Horizontal or Vertical above or below ground.
Limits of Double check valve ✅✅correct answ-Is a high hazard/health hazard *
Limits of AVB ✅✅correct answ-Can not handle more than 12 hours of constant pressure, not
approved by the state of Texas, does not protect against back-pressure.
