Potosi, Missouri

8WC Washington County

Washington County (8WC) is a non-towered, public-use airport in Potosi, Missouri, at 959.3 ft MSL. Its runway is 02/20 (4,000 by 60 ft, asphalt). Right traffic for runway 02. CTAF 123.0.

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 8WC
Location
Potosi, Missouri (Washington County). 3 NM E of the city center
Elevation
959.3 ft MSL
Position
37.9292° N, 90.7315° W
Control tower
No, non-towered
Sectional chart
St Louis
Magnetic variation
0° E (2005)
Fuel
100LL, Jet A+
Ownership
Publicly owned, open to the public
Attendance
MON-FRI 0800-1630

1 runway

Runways

RunwayLength × widthSurfaceEdge lights
02/204,000 × 60 ftAsphalt, good conditionMedium intensity

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
02Right trafficNone listedNone listedNone listedNot listed
20Not statedNone listedNone listedNone listedNot listed

VHF

Frequencies

CTAF
123.0
Actvt Mirl Ry 02/20 - Ctaf.
UNICOM
123.0

Before you go

Brief 8WC in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Washington County, in the app on iPhone and iPad.

Get Ascent on the App Store

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.