Notice of Public Open House and Notice of Availability for Public Comment for the Proposed Runway Improvements Project Draft Environmental Assessment at Sioux Gateway Airport; Sioux City, Iowa

The City of Sioux City intends to undertake the following proposed actions at Sioux Gateway Airport, also known as Brigadier General Bud Day Field:

• Extending Runway 13-31 to 11,002 feet length by adding 1,000 feet to both runway ends 

• Reconstructing Runway 13-31 to a thickness of sixteen inches

• Retaining the current runway thresholds positions resulting in displaced thresholds totaling 1,000 feet at both ends

• Constructing 1,000-foot blast pads adjacent to both the extended runway pavement ends

• Extending parallel Taxiway A to be a full parallel taxiway on the Runway 13 end

• Marking the runway and taxiway extensions as 185th ARW access only by marking Military Only Special Use Pavement

• Acquiring about one acre of land north of the Runway 13 end for realignment of drainage ditch

• Removing the existing aircraft warm up/holding pad at Runway 13 end

• Constructing a new aircraft warm up/holding pad east of Taxiway A

• Realigning the drainage ditch on Runway 13 end

• Realigning the perimeter road on both runway ends

• Realigning the Airport perimeter fence on both runway ends

• Removing portions of Taxiway A and Taxiway G at the Runway 31 end

• Realigning Taxiway A to right angle runway connectors at the Runway 31 end

• Widening Taxiway D to 75 feet with 25-foot shoulders

• Reconstructing 300 linear feet of Taxiway F to raise the surface to the new height of the runway

• Replacing the FAA owned Fiber Optic Cables

• Replacing the FAA owned Visual Approach Slope Indicator (VASI) lights with FAA owned Precision Approach Path Indicator (PAPI) lights

• Replacing the FAA owned Localizers (LOC)

• Replacing the FAA owned Glideslopes (GS)

• Replacing the FAA owned Runway 31 Medium-Intensity Approach Lighting System with Runway Alignment Indicator (MALSR) and the FAA owned Runway 13 MALSR

• Relocating the IAANG owned Aircraft Arresting System

• Amending Runway 13-31 Instrument Approach Procedures (for military operations only)

• Temporarily relocating aircraft operations to Runway 18-36 during reconstruction of Runway 13-31

We are providing notice of a public open house where we will address the proposed actions potential economic, social, and environmental impacts. In addition, we will address the project’s consistency with the goals and objectives of the affected area’s land use or planning strategy.  

The Public Open House will be held at the following time and place:

November 19, 2025, from 6:00pm-7:30pm Central Standard Time

Sioux Gateway Airport

Brigadier General Bud Day Field

1st Floor Terminal 

2403 Aviation Blvd.

Sioux City, IA 51111

Potentially affected environmental resources include: Air Quality; Biological Resources; Climate; Hazardous Materials, Solid Waste, and Pollution Prevention; Historical, Architectural, Archaeological, and Cultural Resources; Land Use, Natural Resources, Noise and Noise-Compatible Land Use; Socioeconomic; Visual Resources; and Water Resources. 

The proposed action would include relocation of a fence near a delineated wetland. Construction fencing would be installed surrounding the wetland area prior to and during construction to avoid inadvertent impacts to the wetland that could occur during the relocation of the fence.

The proposed action is anticipated to encroach on a floodplain. Impacts are anticipated to be minor. The proposed action conforms to applicable state and/or local floodplain protection standards and all measures to minimize harm will be included in the project.

The draft environmental assessment (EA) describing the proposed actions impacts will be available for public review until November 21, 2025. The draft EA may be viewed at the Sioux City Public Library, 529 Pierce St, Sioux City, IA 51101, the Sioux Gateway Airport Administration Offices, 3rd floor Administration Office, 2403 Aviation Boulevard, Sioux City, IA 51111, and https://flysux.com/contact-us under the Public Notices. Those wishing to provide comments must do so by email or letter to the address below no later than November 21, 2025:

Sioux Gateway Airport

Brigadier General Bud Day Field

ATTN: Alvin Lorenzo

2403 Aviation Blvd.

Sioux City, IA 51111

suxlistens@sioux-city.org

or 

Scott Tener

Federal Aviation Administration, Central Region

Airports Division, Room 364 

901 Locust St.

Kansas City, MO 64106-2325

scott.tener@faa.gov 

Before including your address, phone number, e-mail address, or other personal identifying information in your comment, be advised that your entire comment –including your personal identifying information–may be made publicly available at any time. While you can ask us in your comment to withhold from public review your personal identifying information, we cannot guarantee that we will be able to do so.