Regulatory Notice Archive

State Regulatory Offices

Collapse All Expand All
Expand List item 12965Collapse List item 12965  Colorado

Regulatory Office/ Permits

Expand List item 12966Collapse List item 12966  Montana

Regulatory Office/ Permits

Expand List item 12967Collapse List item 12967  Nebraska

Regulatory Office/ Permits

Expand List item 12968Collapse List item 12968  North Dakota

Regulatory Office/ Permits

Expand List item 12969Collapse List item 12969  South Dakota

Regulatory Office/ Permits

Expand List item 12970Collapse List item 12970  Wyoming

Regulatory Office/ Permits

  • NWO-2024-01305-MT

    Expiration date: 11/29/2024

    The U.S. Army Corps of Engineers, Omaha District, (Corps) is evaluating a permit application, which would result in permanent and temporary impacts to approximately 0.69 acre of emergent wetlands and approximately 60 linear feet (LF) of stream and ditch waters of the United States. This notice is to inform interested parties of the proposed activity and to solicit comments.

  • Regional Streamflow Duration Assessment Methods for the Arid West, Western Mountains, and Great Plains

    The U.S. Army Corps of Engineers (Corps) Albuquerque, Chicago, Detroit, Fort Worth, Galveston, Kansas City, Los Angeles, Omaha, Rock Island, Sacramento, San Francisco, St. Louis, St. Paul, and Tulsa Districts, and the U.S. Environmental Protection Agency (EPA), Regions 5, 6, 7, 8, and 9 jointly announce the availability of the Regional Streamflow Duration Assessment Methods (Regional SDAMs) for the Arid West, Western Mountains and Great Plains. The methods are rapid assessment tools for distinguishing between ephemeral, intermittent, and perennial streamflow at the reach scale for the Arid West, Western Mountains and Great Plains regions.

  • NWO-2024-00053-DEN

    Expiration date: 11/22/2024

    The U.S. Army Corps of Engineers, Omaha District, (Corps) is evaluating a proposal by the City of Fort Collins to conduct stream stabilization to facilitate flow conveyance along approximately 1040 linear feet of Fossil Creek and 5500 linear feet of Stanton Creek. This notice is to inform interested parties of the proposed activity and to solicit comments.

  • REGIONAL GENERAL PERMIT 23 (RGP-23-NE)

    Expiration date: 11/30/2028

    The purpose of this Regional General Permit (RGP) is to authorize discharges into irrigation ditches that have minimal individual or cumulative adverse effects on the aquatic environment but that do not qualify for the Clean Water Act section 404(f)(1)(C) exemption because of the recapture provision at section 404(f)(2) (see 33 CFR 323.4) or do not qualify for a Nationwide General permit. For additional information regarding the application of exemptions, please refer to the Memorandum to the Field on Exemptions from Regulation under Section 404(f)(1)(C) of the CWA for the Construction or Maintenance of Irrigation Ditches and for the Maintenance of Drainage Ditches (Attachment A). LOCATION: This RGP is applicable to waters of the U.S., including wetlands, in the State of Nebraska within the Omaha District Regulatory Branch area of responsibility, including tribal lands.
  • Special Public Notice: Announcement of Availability of the Wyoming Stream Mitigation Tool (WSQT), Version 2.0

    The U.S. Army Corps of Engineers (Corps), Omaha District, Wyoming Regulatory Office, announces the availability of the Wyoming Stream Mitigation Tool (WSQT), Version 2.0, which includes the Wyoming Stream Impact Tool (WSIT). The purpose of the WSQT v2 is to calculate functional lift and loss associated with reach- scale stream restoration and impact activities. The tool is a calculator that quantifies change between an existing and future stream condition. A main goal of the WSQT is to produce objective, verifiable, and repeatable results by consolidating well-defined procedures for quantitative measures of structural or compositional attributes of a stream and its underlying processes.