Eureka, South Dakota

3W8 Eureka Muni

Eureka Muni (3W8) is a non-towered, public-use airport in Eureka, South Dakota, at 1,935 ft MSL. It has 2 runways: 07/25 (1,821 by 150 ft, turf), 12/30 (3,100 by 60 ft, asphalt). CTAF 122.9.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
FAA 3W8
Location
Eureka, South Dakota (Mc Pherson County). 2 NM N of the city center
Elevation
1,935 ft MSL
Position
45.8000° N, 99.6427° W
Control tower
No, non-towered
Sectional chart
Twin Cities
Magnetic variation
8° E (1985)
Ownership
Publicly owned, open to the public
Attendance
Unattended

2 runways

Runways

RunwayLength × widthSurfaceEdge lights
07/251,821 × 150 ftTurf, good conditionNot listed
12/303,100 × 60 ftAsphalt, good conditionMedium intensity

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
07Left trafficNone listedNone listedNone listedNot listed
25Left trafficNone listedNone listedNone listedNot listed
12Left traffic2-light PAPI, leftNone listedNone listedNot listed
30Left traffic2-light PAPI, leftNone listedNone listedNot listed

VHF

Frequencies

CTAF
122.9
Actvt Papi Rwy 12 &30; Mirl Rwy 12/30 - Ctaf.

Before you go

Brief 3W8 in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Eureka Muni, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.