SECTION 595 AUTHORITY AND PURPOSE: Water Resources Development Act (WRDA) 1999 Section 595 authorized the U.S. Army Corps of Engineers (USACE) to provide design and construction assistance for water supply, wastewater treatment, environmental restoration, and surface water protection to rural communities. Section 4008 of the Water Resources Reform and Development Act of 2022 amended WRDA 1999 Section 595, authorizing $490M for technical assistance to small and rural communities in Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming. WRDA 2020 added a $150M authorization for Arizona projects with WRDA 2022 increasing the authorization by $50M ($200M total). Projects are to be cost shared 75% Federal and 25% non-Federal. The Federal share may be in the form of reimbursements.