New requests for a pre-application meeting, jurisdictional determination, or permit should be submitted through the Regulatory Request System (RRS) at rrs.usace.army.mil.  You can also report a potential violation using the RRS.  Other requests will continue to be accepted in digital format though the Sacramento District Regulatory mailbox at SPKRegulatoryMailbox@usace.army.mil.












Learn more about submitting a permit application here.

• March 22, 2025 - The U.S. Environmental Protection Agency (EPA) and the Department of the Army issued a notice announcing their intention to engage with State and Tribal co-regulators; industry and agricultural stakeholders; environmental and conservation stakeholders; and the public on certain key topics related to the implementation of the definition of “waters of the United States” in light of the Supreme Court's 2023 decision in Sackett v. Environmental Protection Agency. The agencies are committed to learning from the past regulatory approaches—the pre-2015 regulations and guidance, the 2015 Clean Water Rule, the 2020 Navigable Waters Protection Rule, the 2023 Rule, and the Amended 2023 Rule—while engaging with stakeholders before taking further administrative action to provide any additional clarification to agency staff, co-regulators, and the public on specific aspects of the definition of “waters of the United States.” In addition to forthcoming listening sessions on the specific key topic areas, the agencies are also accepting written recommendations from members of the public via a recommendations docket. Written recommendations must be received on or before April 23, 2025. https://www.federalregister.gov/documents/2025/03/24/2025-04649/wotus-notice-the-final-response-to-scotus-establishment-of-a-public-docket-request-for?utm_campaign=subscription+mailing+list&utm_medium=email&utm_source=federalregister.gov

• March 12, 2025 – The EPA Administrator, Mr. Lee Zeldin, announced next steps to revise the definition of “waters of the United States” (WOTUS) under the Clean Water Act to fully align with the Supreme Court’s direction in Sackett v. EPA. https://www.epa.gov/newsreleases/administrator-zeldin-announces-epa-will-revise-waters-united-states-rule-0.  The EPA and United States Army Corps of Engineers will undertake a rulemaking process to revise the 2023 definition of (WOTUS) with a focus on clarity, simplicity, and improvements that will stand the test of time. While this rulemaking process proceeds, the agency will provide guidance on WOTUS to ensure consistency with the law of the land. Questions can be directed to wotus-outreach@epa.gov

• January 28, 2025 - The U.S. Army Corps of Engineers (USACE), as part of an interagency effort with the U.S. Environmental Protection Agency, the U.S. Fish and Wildlife Service and the U.S. Department of Agriculture Natural Resources Conservation Service, is announcing the availability of the draft changes to the 2024 NWPL and its web address to solicit public comments. The public now has the opportunity to comment on the proposed changes to wetland indicator status ratings for one plant species in the Atlantic and Gulf Coastal Plain and Eastern Mountains, and Piedmont regions and one species in the Midwest and Northcentral and Northeast regions. Additionally, changes to eight species in the Alaska Region are proposed and available for public comment. The Federal Register Notice (FRN) for the 2024 NWPL update can be found at: https://www.federalregister.gov/documents/2025/01/28/2025-01798/national-wetland-plant-list. The public comment period ends on 31 March 2025. USACE encourages public input in the form of data, comments, literature references, or field experiences, to help clarify the status of the species reviewed for this update. Comments on these proposed changes should be emailed to nwpl@usace.army.mil. Additional information on the NWPL can be found at the NWPL website (https://wetland-plants.sec.usace.army.mil/), including a new video on how to use the newly redesigned site, which can be found here: https://wetland-plants.sec.usace.army.mil/reference/.

• January 8, 2025 - The U.S. Army Corps of Engineers (USACE) and the U.S. Environmental Protection Agency (EPA) jointly announce the availability of the Final National Ordinary High Water Mark Field Delineation Manual for Rivers and Streams (Final National OHWM Manual). The Final National OHWM Manual serves as a non-mandatory technical resource which can be used to assist with identifying and delineating the ordinary high water mark (OHWM) of rivers and streams located throughout the Nation.  Final National OHWM Manual: https://dx.doi.org/10.21079/11681/49526

• January 6, 2025 - The U.S. Army Corps of Engineers (USACE) announces the launch of the Public Notice module on the Regulatory Request System (RRS). The new feature allows users nationwide to search, review, and comment on projects being reviewed under the Regulatory Program, significantly enhancing transparency, accessibility, and efficiency. The Public Notice module provides the public with access to proposed projects requiring a standard permit, proposed mitigation banks and in-lieu fee programs under review, and proposed general permits or Section 404 Letter of Permission procedures.  It organizes notices by state and district, which can be viewed in a table format or on an interactive map. Users can easily search for notices by project name or address and submit comments directly through the platform, streamlining public engagement and reinforcing USACE's commitment to improving transparency and the permitting process. The RRS is a web-based platform, currently in its beta version, designed to simplify the permitting process and enhance user experience. In addition to the new Public Notice Module, RRS enables users to submit permit applications, request jurisdictional determinations, and schedule pre-application meetings, all through a user-friendly interface. Explore the Regulatory Request System and its new features by visiting rrs.usace.army.mil. For additional information or to provide feedback, please contact rrs@usace.army.mil.

• November, 27 2024 - The U.S. Army Corps of Engineers (USACE) announces the availability of new and updated Engineer (ENG) forms for the Regulatory Program. All forms for use nationwide can now be accessed at https://www.usace.army.mil/Missions/Civil-Works/Regulatory-Program-and-Permits/Regulatory-Program-Forms/.  Note that most regulatory requests, such as requests for permits and jurisdictional determinations, can be completed online through USACE’s Regulatory Request System at rrs.usace.army.mil.

• 28 October 2024 - The final Streamflow Duration Assessment Methods (SDAMs) for the Arid West and the Western Mountains regions are now available. SDAMs provide a rapid evaluation of streamflow duration for use whenever there is uncertainty concerning the duration of stream flows. For information about SDAMs, visit  https://www.epa.gov/streamflow-duration-assessment.