Sources
TCEQ exam law, the full text
Everything the exam draws on, in one place. The paper is closed book, so this is reading to do now, not on the day.
The statutes
Enacted Texas law, from the Legislature's statute files, reproduced in full.
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Texas Occupations Code Chapter 1903, Irrigators
The irrigator statute: definitions and exemptions, the standards TCEQ adopts, the Irrigator Advisory Council, and the license requirement.
Read the text -
Texas Water Code Chapter 37
The framework for every TCEQ license: qualifications, renewal, examinations, training and continuing education, fees and enforcement.
Read the text -
Texas Local Government Code Chapter 551
Holds 551.006: a city of 20,000 or more requires an irrigation installer to hold a license and get a permit before installing.
Read the text
The rules
Rules TCEQ made under the statutes above, from the Texas Administrative Code, reproduced in full. Chapter 344 is the one the exam is built on.
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30 TAC Chapter 344, Landscape Irrigation
The TCEQ rule the exam is built on: definitions, conduct, licenses, the seal, backflow prevention, design and installation standards, contracts.
Read the text -
30 TAC Chapter 30, Subchapter A
How every TCEQ occupational license works: applications, examinations, renewal, reciprocity, training, fees and terms, denial and revocation.
Read the text -
30 TAC Chapter 30, Subchapter D
The irrigator, irrigation technician and irrigation inspector licenses: definitions, qualifications, renewal and continuing education, exemptions.
Read the text -
30 TAC 290.38, 290.44 and 290.47
Three drinking water sections: the definitions, backflow at the service connection with the tester's duties, and the hazard and assembly table.
Read the text -
30 TAC 285.2 and 285.91
The two on-site sewage facility sections 30 TAC 344.51(d) points at: the definitions and the table of minimum separation distances.
Read the text
Guides
TCEQ guidance and public federal and state technical documents. A guide says how a rule is read or how the arithmetic is done; it is not the rule.
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Landscape Irrigator's Rule Compilation, RG-470
Published February 2021
The TCEQ booklet that prints the irrigator statutes and rules together, dated after the July 2020 amendment of 30 TAC 344.
What it is and where to find it -
Cross-Connection Control Program, RG-478
Published Revised February 2026
TCEQ's guide to a cross-connection control program: assembly types, hazard levels, the Appendix F table and the irrigation connection.
What it is and where to find it -
Sample Irrigation Plan (TCEQ, 2009)
A one-page sealed irrigation plan drawn by TCEQ as a sample, dated January 1, 2009; most of its words are drawn and read off the PDF.
What it is and where to find it -
Landscape Irrigation Plan Check (TCEQ)
Published June 23, 2016
TCEQ's one-page checklist for an irrigation plan against 30 TAC 344.61, dated June 23, 2016.
What it is and where to find it -
Irrigation Final Inspection Checklist (TCEQ)
Published June 2023
TCEQ's one-page checklist for the final inspection of an irrigation system, June 2023.
What it is and where to find it -
Quick Reference Guide to the 2020 344 changes
Published July 23rd, 2020
TCEQ's record of what changed in 30 TAC 344 with the 2020 amendment, section by section.
What it is and where to find it -
Questions and Answers for Irrigators (TCEQ)
TCEQ's answers to irrigators' questions about the rules effective January 1, 2009. Older than the 2020 amendment.
What it is and where to find it -
Irrigation Technician Vocabulary (TCEQ)
Published April 2017
The English and Spanish term list TCEQ's exam preparation page names for irrigation, April 2017.
What it is and where to find it -
Landscape Irrigation Curriculum Guidance
Published November 2013
TCEQ's list of continuing education topics for irrigators, November 2013. Not an exam outline.
What it is and where to find it -
Irrigation Technician Curriculum Guidance
Published December, 2010
TCEQ's curriculum guidance for irrigation technician training, December 2010.
What it is and where to find it -
Irrigation Inspector Curriculum Guidance
Published Revised 06/2024
TCEQ's curriculum guidance for the required courses, including the Basic Irrigator course outline and its 32-hour minimum.
What it is and where to find it -
Backflow Assembly Tester Curriculum Guidance
Published March 2010
TCEQ's curriculum guidance for licensing backflow prevention assembly testers, March 2010.
What it is and where to find it -
Instructions for a TCEQ CBT exam (Spanish)
Published October 2021
TCEQ's Spanish instructions for taking a computer-based licensing exam, with the screen captions in English, October 2021.
What it is and where to find it -
NEH Part 634, Chapter 4, Pipe Flow
Published Feb 2022
The NRCS handbook chapter on pipe flow, February 2022. Read its equations in the PDF.
What it is and where to find it -
NEH Part 623, Chapter 7, Microirrigation
Published October 2013
The NRCS handbook chapter on microirrigation: Hazen-Williams, velocity limits and drip application rate.
What it is and where to find it -
NEH Part 623, Chapter 11, Sprinkler Irrigation
Published August 2016
The NRCS handbook chapter on sprinkler irrigation: precipitation rate, spacing, application rates by soil, pipe velocity and surge.
What it is and where to find it -
NEH Part 652, Irrigation Guide
Published September 1997
The NRCS Irrigation Guide, 1997: soils, water requirements and system design worksheets.
What it is and where to find it -
NEH Part 652, Pennsylvania supplement
Published November 2018
A state supplement to the Irrigation Guide whose Appendix B carries friction-loss charts for PVC and PE pipe and worked pressure-loss sums.
What it is and where to find it -
NEH 652, Alabama, Chapter 6A, Sprinkler Design
Published April 2010
A worked sprinkler design pressure sum and the application rate formula, from the Alabama supplement.
What it is and where to find it -
NEH 652, Alabama, Chapter 6D, Trickle Design
Published April 2010
A worked drip irrigation design, from the Alabama supplement to the Irrigation Guide.
What it is and where to find it -
NRCS Practice Standard 430, Irrigation Pipeline
Published September 2020
The NRCS practice standard for irrigation pipelines, September 2020: velocity limits and minor losses.
What it is and where to find it -
NRCS Practice Standard 441, Microirrigation
Published September 2020
The NRCS practice standard for microirrigation systems, September 2020.
What it is and where to find it -
NRCS Practice Standard 442, Sprinkler System
Published July 2021
The NRCS practice standard for sprinkler systems, July 2021.
What it is and where to find it -
Water Measurement Manual (Reclamation)
The Bureau of Reclamation manual on measuring water, revised reprint 2001, with the pressure to feet of water conversions.
What it is and where to find it -
UFC 3-201-02, Landscape Architecture (2020)
Published 29 April 2020
The current edition of the landscape architecture criteria, with Change 1 of February 2021.
What it is and where to find it -
UFC 3-201-02, Landscape Architecture (2009)
Published 23 February 2009
The superseded 2009 edition, kept for its irrigation design chapter on hydrozones and application rate against infiltration.
What it is and where to find it -
UFGS 32 84 23, Underground Sprinklers
Published February 2021
The guide specification for underground sprinklers: plan and legend contents, drip pressure regulation.
What it is and where to find it -
TWDB Best Management Practices, municipal
Published Revised February 2020
The Texas Water Development Board's water conservation practices for municipal water users, 2020.
What it is and where to find it -
BMP 5.3, Landscape Irrigation Conservation
Published TWDB Report 362 (2004)
A TWDB practice sheet with the water budget arithmetic: ETo, plant factor and gallons per square foot inch.
What it is and where to find it -
TCEQ Exam Preparation and Landscape Irrigation Pages
A guide published by Texas Commission on Environmental Quality. Named here with a link to the publisher's copy.
Read it at the publisher -
TCEQ Licensing Exams Page
TCEQ Licensing Exams Page, a guide published by Texas Commission on Environmental Quality. Named here with a link to the publisher's copy.
Read it at the publisher -
TCEQ Computer-Based Testing Page
TCEQ Computer-Based Testing Page, a guide published by Texas Commission on Environmental Quality. Named here with a link to the publisher's copy.
Read it at the publisher -
TCEQ Landscape Irrigator License Page
TCEQ Landscape Irrigator License Page, a guide published by Texas Commission on Environmental Quality. Named here with a link to the publisher's copy.
Read it at the publisher -
Irrigator Advisory Council minutes, 2001-10-23
Published OCTOBER 23, 2001
The minutes of the TCEQ Irrigator Advisory Council meeting of 2001-10-23.
What it is and where to find it -
Irrigator Advisory Council minutes, 2002-02-26
Published FEBRUARY 26, 2002
The minutes of the TCEQ Irrigator Advisory Council meeting of 2002-02-26.
What it is and where to find it -
Irrigator Advisory Council minutes, 2002-05-16
Published MAY 16, 2002
The minutes of the TCEQ Irrigator Advisory Council meeting of 2002-05-16.
What it is and where to find it -
Irrigator Advisory Council minutes, 2002-12-04
Published December 4, 2002
The minutes of the TCEQ Irrigator Advisory Council meeting of 2002-12-04.
What it is and where to find it -
Irrigator Advisory Council minutes, 2003-02-19
Published FEBRUARY 19, 2003
The minutes of the TCEQ Irrigator Advisory Council meeting of 2003-02-19.
What it is and where to find it -
Irrigator Advisory Council minutes, 2003-08-13
Published AUGUST 13, 2003
The minutes of the TCEQ Irrigator Advisory Council meeting of 2003-08-13.
What it is and where to find it -
Irrigator Advisory Council minutes, 2004-07-15
Published July 15, 2004
The minutes of the TCEQ Irrigator Advisory Council meeting of 2004-07-15.
What it is and where to find it -
Irrigator Advisory Council minutes, 2008-05-09
Published May 9, 2008
The minutes of the TCEQ Irrigator Advisory Council meeting of 2008-05-09.
What it is and where to find it -
Irrigator Advisory Council minutes, 2008-08-15
Published August 15, 2008
The minutes of the TCEQ Irrigator Advisory Council meeting of 2008-08-15.
What it is and where to find it -
Irrigator Advisory Council minutes, 2009-11-18
Published November 18, 2009
The minutes of the TCEQ Irrigator Advisory Council meeting of 2009-11-18.
What it is and where to find it -
Irrigator Advisory Council minutes, 2010-02-18
Published February 18, 2010
The minutes of the TCEQ Irrigator Advisory Council meeting of 2010-02-18.
What it is and where to find it -
Irrigator Advisory Council minutes, 2010-11-18
Published November 18, 2010
The minutes of the TCEQ Irrigator Advisory Council meeting of 2010-11-18.
What it is and where to find it -
Irrigator Advisory Council minutes, 2011-02-17
The minutes of the TCEQ Irrigator Advisory Council meeting of 2011-02-17.
What it is and where to find it -
Irrigator Advisory Council minutes, 2011-06-16
Published June 16, 2011
The minutes of the TCEQ Irrigator Advisory Council meeting of 2011-06-16.
What it is and where to find it -
Irrigator Advisory Council minutes, 2011-11-17
Published November 17, 2011
The minutes of the TCEQ Irrigator Advisory Council meeting of 2011-11-17.
What it is and where to find it -
Irrigator Advisory Council minutes, 2012-11-15
Published November 15, 2012
The minutes of the TCEQ Irrigator Advisory Council meeting of 2012-11-15.
What it is and where to find it -
Irrigator Advisory Council minutes, 2017-02-09
Published February 9, 2017
The minutes of the TCEQ Irrigator Advisory Council meeting of 2017-02-09.
What it is and where to find it -
Irrigator Advisory Council minutes, 2018-02-08
Published February 8, 2018
The minutes of the TCEQ Irrigator Advisory Council meeting of 2018-02-08.
What it is and where to find it -
Irrigator Advisory Council minutes, 2018-05-10
Published May 10, 2018
The minutes of the TCEQ Irrigator Advisory Council meeting of 2018-05-10.
What it is and where to find it -
Irrigator Advisory Council minutes, 2018-11-08
Published November 8, 2018
The minutes of the TCEQ Irrigator Advisory Council meeting of 2018-11-08.
What it is and where to find it -
Irrigator Advisory Council minutes, 2019-05-09
Published May 9, 2019
The minutes of the TCEQ Irrigator Advisory Council meeting of 2019-05-09.
What it is and where to find it -
Irrigator Advisory Council minutes, 2019-11-14
Published November 14, 2019
The minutes of the TCEQ Irrigator Advisory Council meeting of 2019-11-14.
What it is and where to find it -
Irrigator Advisory Council minutes, 2020-02-06
Published February 6, 2020
The minutes of the TCEQ Irrigator Advisory Council meeting of 2020-02-06.
What it is and where to find it -
Irrigator Advisory Council minutes, 2020-08-06
Published August 6, 2020
The minutes of the TCEQ Irrigator Advisory Council meeting of 2020-08-06.
What it is and where to find it -
Irrigator Advisory Council minutes, 2021-05-06
Published May 6, 2021
The minutes of the TCEQ Irrigator Advisory Council meeting of 2021-05-06.
What it is and where to find it -
Irrigator Advisory Council minutes, 2021-08-05
Published August 5, 2021
The minutes of the TCEQ Irrigator Advisory Council meeting of 2021-08-05.
What it is and where to find it -
Irrigator Advisory Council minutes, 2021-11-04
Published November 4, 2021
The minutes of the TCEQ Irrigator Advisory Council meeting of 2021-11-04.
What it is and where to find it -
Irrigator Advisory Council minutes, 2022-02-03
Published February 3, 2022
The minutes of the TCEQ Irrigator Advisory Council meeting of 2022-02-03.
What it is and where to find it -
Irrigator Advisory Council minutes, 2022-05-05
Published May 5, 2022
The minutes of the TCEQ Irrigator Advisory Council meeting of 2022-05-05.
What it is and where to find it -
Irrigator Advisory Council minutes, 2022-08-04
Published 08/04/2022
The minutes of the TCEQ Irrigator Advisory Council meeting of 2022-08-04.
What it is and where to find it -
Irrigator Advisory Council minutes, 2022-11-03
Published 11/03/2022
The minutes of the TCEQ Irrigator Advisory Council meeting of 2022-11-03.
What it is and where to find it -
Irrigator Advisory Council minutes, 2023-05-04
Published May 4th, 2023
The minutes of the TCEQ Irrigator Advisory Council meeting of 2023-05-04.
What it is and where to find it -
Irrigator Advisory Council minutes, 2023-08-03
Published August 3rd, 2023
The minutes of the TCEQ Irrigator Advisory Council meeting of 2023-08-03.
What it is and where to find it -
Irrigator Advisory Council minutes, 2024-02-01
Published February 1st, 2024
The minutes of the TCEQ Irrigator Advisory Council meeting of 2024-02-01.
What it is and where to find it -
Irrigator Advisory Council minutes, 2024-05-02
Published May 2nd, 2024
The minutes of the TCEQ Irrigator Advisory Council meeting of 2024-05-02.
What it is and where to find it -
Irrigator Advisory Council minutes, 2024-08-01
Published August 1st, 2024
The minutes of the TCEQ Irrigator Advisory Council meeting of 2024-08-01.
What it is and where to find it -
Irrigator Advisory Council minutes, 2024-11-07
Published November 7, 2024
The minutes of the TCEQ Irrigator Advisory Council meeting of 2024-11-07.
What it is and where to find it -
Irrigator Advisory Council minutes, 2025-05-01
Published May 1, 2025
The minutes of the TCEQ Irrigator Advisory Council meeting of 2025-05-01.
What it is and where to find it -
Irrigator Advisory Council minutes, 2025-08-07
Published August 7, 2025
The minutes of the TCEQ Irrigator Advisory Council meeting of 2025-08-07.
What it is and where to find it -
Irrigator Advisory Council minutes, 2025-11-06
Published November 6, 2025
The minutes of the TCEQ Irrigator Advisory Council meeting of 2025-11-06.
What it is and where to find it -
Irrigator Advisory Council minutes, 2026-02-05
Published February 5, 2026
The draft minutes of the TCEQ Irrigator Advisory Council meeting of 2026-02-05.
What it is and where to find it
City codes
Texas cities' own irrigation ordinances. City law sits beside the state rule and never replaces it; the exam tests the state rule.
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San Antonio Irrigation Ordinance
Published August, 2008
The San Antonio ordinance TCEQ links for irrigation. City law, not the state rule the exam tests.
What it is and where to find it -
San Antonio City Code Chapter 34 (2014)
A 2014 compilation of San Antonio's water conservation provisions. City law, not the state rule.
What it is and where to find it -
Austin Rule R161-17.09 (proposed)
Published April 5, 2017
A 2017 notice of a proposed Austin rule on irrigation in its Environmental Criteria Manual.
What it is and where to find it -
Austin Rule R161-18.01 (proposed)
Published January 3, 2018
A 2018 notice of a proposed Austin rule on the irrigation water budget and plan notes.
What it is and where to find it -
Arlington Ordinances Governing Irrigation
Published March 22, 2011
Arlington's irrigation ordinances as amended in 2011. City law, not the state rule the exam tests.
What it is and where to find it -
Fort Worth Ordinance 18444-01-2009
The 2009 Fort Worth ordinance on installing and maintaining irrigation systems, a scan read off the PDF.
What it is and where to find it -
Fort Worth Code Chapter 35, Article VI
Fort Worth's watering-day and waste rules for lawn irrigation. City law, not the state rule.
What it is and where to find it -
Frisco Code Chapter 18, Division 13
Frisco irrigation code, a city code published by City of Frisco. This page says what it is and links the official copy.
What it is and where to find it -
Pflugerville Code Chapter 113, Article III
Pflugerville irrigation code, a city code published by City of Pflugerville. This page says what it is and links the official copy.
What it is and where to find it -
Cleburne Code 150.047, Irrigation Systems
Cleburne irrigation code, a city code published by City of Cleburne. This page says what it is and links the official copy.
What it is and where to find it -
Tyler Code Section 10-308, Irrigation Standards
Tyler irrigation code, a city code published by City of Tyler. This page says what it is and links the official copy.
What it is and where to find it -
Dallas Plumbing Code 2021, Appendix G
Dallas's standards for designing, installing and maintaining landscape irrigation. City law, not the state rule.
What it is and where to find it
Manuals and reference documents
Not law, and not ours to reproduce: manufacturers' design manuals, extension publications, other states' rules and recorded classes. Named here and linked, never authority for what Texas law requires.
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Cross-Connection Control Manual, EPA 816-R-03-002 (US EPA, February 2003)
Published February 2003
A reference document published by United States Environmental Protection Agency. Named here with a link to the publisher's copy.
Read it at the publisher -
WaterSense at Work, Section 5.1, Landscaping (US EPA, November 2023)
Published November 2023
A reference document published by United States Environmental Protection Agency. Named here with a link to the publisher's copy.
Read it at the publisher -
WaterSense at Work, Section 5.2, Irrigation (US EPA, EPA 832-F-23-003, November 2023)
Published November 2023
A reference document published by United States Environmental Protection Agency. Named here with a link to the publisher's copy.
Read it at the publisher -
WaterSense Specification for Spray Sprinkler Bodies, Version 1.0 (US EPA, September 21, 2017)
Published September 21, 2017
A reference document published by United States Environmental Protection Agency. Named here with a link to the publisher's copy.
Read it at the publisher -
WaterSense Specification for Spray Sprinkler Bodies, Supporting Statement (US EPA, 2017)
A reference document published by United States Environmental Protection Agency. Named here with a link to the publisher's copy.
Read it at the publisher -
WaterSense Specification for Weather-Based Irrigation Controllers, Version 1.1 (US EPA, September 2, 2021)
Published September 2, 2021
A reference document published by United States Environmental Protection Agency. Named here with a link to the publisher's copy.
Read it at the publisher -
WaterSense Water Budget Approach, version 1.02 (US EPA, July 24, 2014)
Published July 24, 2014
A reference document published by United States Environmental Protection Agency. Named here with a link to the publisher's copy.
Read it at the publisher -
Water Efficiency Management Guide, Landscaping and Irrigation, EPA 832-F-17-016b (US EPA, November 2017)
Published November 2017
A reference document published by United States Environmental Protection Agency. Named here with a link to the publisher's copy.
Read it at the publisher -
Calculating Horsepower Requirements and Sizing Irrigation Supply Pipelines, EB-6011 (Texas A&M AgriLife Extension, 03/21)
Published 03/21
A reference document published by Texas A&M AgriLife Extension. Named here with a link to the publisher's copy.
Read it at the publisher -
Preventing Runoff with Cycle and Soak Irrigation, AGEN-PU-218 (Texas A&M AgriLife Extension, 11/22)
Published 11/22
A reference document published by Texas A&M AgriLife Extension. Named here with a link to the publisher's copy.
Read it at the publisher -
Landscape Irrigation Efficiency, AGEN-PU-219 (Texas A&M AgriLife Extension, January 2023)
Published January 2023
A reference document published by Texas A&M AgriLife Extension. Named here with a link to the publisher's copy.
Read it at the publisher -
Drip Irrigation Operation and Management, slides by Charles Swanson (Texas A&M AgriLife Extension)
A reference document published by Texas A&M AgriLife Extension. Named here with a link to the publisher's copy.
Read it at the publisher -
Landscape Irrigation System Evaluation and Management, Shaw and Pittenger (University of California Cooperative Extension, April 2009)
Published April 2009
A reference document published by University of California Agriculture and Natural Resources. Named here with a link to the publisher's copy.
Read it at the publisher -
Landscape Irrigation Design Manual (Rain Bird, 2000)
Landscape Irrigation Design Manual (Rain Bird, 2000), a reference document published by Rain Bird Corporation. Named here with a link to the publisher's copy.
Read it at the publisher -
Low-Volume Landscape Irrigation Design Manual (Rain Bird, 2000)
A reference document published by Rain Bird Corporation. Named here with a link to the publisher's copy.
Read it at the publisher -
Irrigation Hydraulics, Instructor's Manual, Irrigation Design Education Module ED-002.A (Hunter Industries)
A reference document published by Hunter Industries. Named here with a link to the publisher's copy.
Read it at the publisher -
Basic Irrigation Design, Instructor's Guide (The Toro Company, March 1997)
Published March 1997
A reference document published by The Toro Company. Named here with a link to the publisher's copy.
Read it at the publisher -
Irrigation Association Friction Loss Chart 2008, Class 200 and Schedule 40 PVC
A reference document published by Irrigation Association. Named here with a link to the publisher's copy.
Read it at the publisher -
National Engineering Handbook Part 652, South Carolina supplement, Chapter 16, Special Use Tables, Charts and Conversions (USDA NRCS, September 2016)
Published September 2016
A reference document published by USDA Natural Resources Conservation Service. Named here with a link to the publisher's copy.
Read it at the publisher -
21 NCAC 23, Irrigation Contractors' Licensing Board rules (North Carolina Administrative Code)
A reference document published by State of North Carolina. Named here with a link to the publisher's copy.
Read it at the publisher -
Turf and Landscape Irrigation Best Management Practices and Minimum Standards (North Carolina Irrigation Contractors' Licensing Board, revised 7/21/09)
Published 7/21/09
A reference document published by State of North Carolina. Named here with a link to the publisher's copy.
Read it at the publisher -
Model Efficient Irrigation and Landscape Design Standards (Idaho Washington Aquifer Collaborative, as adopted by the City of Cheney)
A reference document published by Idaho Washington Aquifer Collaborative. Named here with a link to the publisher's copy.
Read it at the publisher -
Private Irrigation System Design Checklist (City of Thornton, Colorado)
A reference document published by City of Thornton, Colorado. Named here with a link to the publisher's copy.
Read it at the publisher -
Fact Sheet, Water Pressure (City of Bremerton, Washington)
A reference document published by City of Bremerton, Washington. Named here with a link to the publisher's copy.
Read it at the publisher -
Formula/Conversion Table for Water Treatment and Water Distribution (Florida Department of Environmental Protection, revised February 24, 2014)
Published Revised February 24, 2014
A reference document published by Florida Department of Environmental Protection. Named here with a link to the publisher's copy.
Read it at the publisher -
Urban Landscape Guide, final report (Texas Nursery and Landscape Association for TWDB, Contract 2005-483-560, April 2, 2007)
Published April 2, 2007
A reference document published by Texas Water Development Board. Named here with a link to the publisher's copy.
Read it at the publisher -
Irrigation Plan Review FAQ, version 5.1 (San Antonio Water System, July 1, 2025)
Published V5.1_Jul 1, 2025
A reference document published by San Antonio Water System. Named here with a link to the publisher's copy.
Read it at the publisher -
Irrigation Inspection Checklist, version 1.3 (San Antonio Water System, 9/11/2025)
Published V1.3 9/11/2025
A reference document published by San Antonio Water System. Named here with a link to the publisher's copy.
Read it at the publisher -
City of San Antonio Irrigation Standards brochure (Development Services Department)
A reference document published by City of San Antonio. Named here with a link to the publisher's copy.
Read it at the publisher -
Design and Construction Standards for Park Facilities (City of El Paso, council agenda item of January 8, 2013)
Published January 8, 2013
A reference document published by City of El Paso. Named here with a link to the publisher's copy.
Read it at the publisher -
Construction Standards, Section 32 84 00, Landscape Irrigation (Texas State University, revised May 2016)
Published Revised May, 2016
A reference document published by Texas State University. Named here with a link to the publisher's copy.
Read it at the publisher -
Landscape Irrigator Exam Registration Form, CCC-LI-102A (TEEX, 6/29/2018)
A reference document published by Texas A&M Engineering Extension Service. Named here with a link to the publisher's copy.
Read it at the publisher -
2015 Model Water Efficient Landscape Ordinance Guidebook (California Department of Water Resources)
A reference document published by California Department of Water Resources. Named here with a link to the publisher's copy.
Read it at the publisher