| Eureka Municipal Airport | |
| Faa: | 3W8 |
| Type: | Public |
| Owner: | City of Eureka |
| City-Served: | Eureka, South Dakota |
| Elevation-F: | 1,935 |
| Coordinates: | 45.7997°N -99.6428°W |
| Pushpin Map: | USA South Dakota#USA |
| Pushpin Map Caption: | Location of airport in South Dakota |
| Pushpin Label: | 3W8 |
| Pushpin Label Position: | bottom |
| R1-Number: | 12/30 |
| R1-Length-F: | 3,100 |
| R1-Surface: | Asphalt |
| R2-Number: | 7/25 |
| R2-Length-F: | 1,821 |
| R2-Surface: | Turf |
| Stat-Year: | 2022 |
| Stat1-Header: | Aircraft operations (year ending 4/20/2022) |
| Stat1-Data: | 580 |
| Footnotes: | Source: Federal Aviation Administration[1] |
Eureka Municipal Airport is a city-owned, public-use airport located two nautical miles (4 km) north of the central business district of Eureka, a city in McPherson County, South Dakota, United States. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.[2]
Eureka Municipal Airport covers an area of 183 acres (74 ha) at an elevation of 1,935 feet (590 m) above mean sea level. It has two runways: 12/30 is 3,100 by 60 feet (945 x 18 m) with an asphalt surface and 7/25 is 1,821 by 150 feet (555 x 46 m) with a turf surface. For the 12-month period ending April 20, 2022, the airport had 580 general aviation aircraft operations, an average of 48 per month.