• Resources
• LDH Resources

LDH Resources

• Cybersecurity Alerts & Advisories

  Details:

  October 07, 2025

  • Engineering Services

  Downloadable Assets:

  Potential Compromise of Cisco Devices

• Letters of Intent-Water Systems

  Details:

  September 10, 2025

  • Engineering Services

  Water System LOIs.

  Downloadable Assets:

  AWWA C900 PVC Pressure Pipe Polypropylene Piping Systems Well Pump Spacers/Guides Requirements Filter Media Requirement- Torpedo Sand

• Letters of Intent-Sewerage

  Details:

  September 05, 2025

  • Engineering Services

  Downloadable Assets:

  Glass Fiber Reinforced Polyester (FRP) Manhole Requirement Maximum Diameter of Sewer Collection for RV/Travel Trailer Parks

• National Primary Drinking Water Regulation Presentations

  Details:

  August 18, 2025

  • Engineering Services

  Presentations on the EPAs Primary Drinking Water Regulations

  Downloadable Assets:

  LCRR Lead Service Line Inventories Consumer Confidence Reports Per- and Polyfluoroalkyl Substances

• Act 573 (2014) – Public Water Systems Report

  Details:

  April 29, 2025

  • Engineering Services
  • Public Health

  Act 573 (2014) require a public or private water system to maintain a minimum disinfectant level of free or total chlorine in the water being delivered to the distribution system, in finished water storage tanks, and in all points of the distribution.

  Downloadable Assets:

  Act 573 of the 2014 Regular Session

• Drinking Water Revolving Loan Fund Historical IUPs

  Details:

  October 01, 2023

  • Engineering Services

  This document is the State of Louisiana's Intended Use Plan (IUP) detailing how the State will utilize this BIL allotment of funds available to its Drinking Water Revolving Loan Fund (DWRLF) Program as authorized under the Drinking Water Revolving Loan Fund Act (R.S. 40:2821 et seq).

  Downloadable Assets:

  FFY 2023 BIL IUP rev 1.30.24 FFY 2022 BIL IUP rev. 9.5.24 FFY 2023 IUP FFY 2022 IUP FFY 2022 IUP FFY 2022 IUP - Appendix A - Comprehensive List FFY 2022 IUP - Appendix B - Fundable List FFY 2021 IUP

• Water Accountability Grade Rule

  Details:

  July 01, 2022

  • Engineering Services

  DEtails on the requirements of the Water Accountability Rule

  Downloadable Assets:

  Grading Rule Presentation

• Louisiana Department of Health Updates

  Details:

  January 01, 2022

  • Engineering Services

  Presentation outlining Legislative Updates and current information on the Safe Drinking Water Program

  Downloadable Assets:

  LDH Updates

• Chloramination and Nitrification Guidelines for Water Systems

  Details:

  January 01, 2020

  • Engineering Services

  Presentations to assist water systems in the navigation of chloramination treatment and monitoring requirements

  Downloadable Assets:

  Chloramination Recommendations Nitrification Plan Presentation

• Operator Certification Associations

  Details:

  January 01, 2020

  • Engineering Services

  Water and Wasterwater Partners who assist in training and professional development

  Downloadable Assets:

  AWWA-American Water Works Association Louisiana Conference on Water Supply, Sewerage and Industrial Wastes LRWA-Louisiana Rural Water Association Southwest AWWA Water Environment Federation

• Operator Certification Online and Correspondence Courses

  Details:

  January 01, 2020

  • Engineering Services

  Online and Correspondence Courses to assit Operator in the earning of Continuing Education Units (CEUs) for Licensure.

  Downloadable Assets:

  AWWA-American Water Works Association Online Courses At Your Pace Online-AYPO CEUPlan Louisiana Ethics Commission Suncoast Learning System University of California at Sacramento-California Manuals Veolia Water Environment Federation Water Otter 360 Water

• DWRLF Public Notices

  Details:

  January 01, 2017

  • Engineering Services

  Findings of No Significant Impact and Environmental Assessments

  Downloadable Assets:

  Calcasieu Water Works District No. 8 FONSI & EA