# Chippewa Valley Regional Airport (EAU / KEAU)

**Chippewa Valley Regional Airport** (IATA: EAU, ICAO: KEAU) is a medium airport in Eau Claire, Wisconsin, United States. It opened in Nov 1944. It has 2 runways; the longest is 8,101 ft (2,469 m). In 2025 it handled 53 thousand passengers.

Web page: https://dromopedia.com/airports/keau

## At a glance

- IATA / ICAO: EAU / KEAU
- FAA: EAU
- Type: Medium airport
- Serves: Eau Claire, Wisconsin, United States
- Opened: Nov 1944
- Elevation: 913 ft / 278 m
- Coordinates: 44.8658, -91.4843
- Runways: 2
- Longest runway: 8,101 ft / 2,469 m
- Instrument procedures: 4 approaches
- Passengers: 52,930 (2025)
- Time zone: UTC-6/-5 · America/Chicago
- Website: http://www.chippewavalleyairport.com/
- Wikipedia: https://en.wikipedia.org/wiki/Chippewa_Valley_Regional_Airport (10 languages)
- Wikidata: https://www.wikidata.org/wiki/Q3273819
- Weather station: KEAU
- Ident: KEAU

## Timeline

- Nov 1944: Chippewa Valley Regional Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| 04/22 | 8,101 ft / 2,469 m | 150 ft / 46 m | Concrete | 045° / 225° | yes |
| 14/32 | 5,000 ft / 1,524 m | 100 ft / 31 m | Concrete | 139° / 319° | yes |

- FAA airport diagram: https://aeronav.faa.gov/d-tpp/2611/00937AD.PDF

## Passengers per year

| Year | Passengers | Source |
| --- | --- | --- |
| 2015 | 38,566 | BTS T-100 Segment |
| 2016 | 43,014 | BTS T-100 Segment |
| 2017 | 46,522 | BTS T-100 Segment |
| 2018 | 47,409 | BTS T-100 Segment |
| 2019 | 47,994 | BTS T-100 Segment |
| 2020 | 20,588 | BTS T-100 Segment |
| 2021 | 39,963 | BTS T-100 Segment |
| 2022 | 35,015 | BTS T-100 Segment |
| 2023 | 51,918 | BTS T-100 Segment |
| 2024 | 46,034 | BTS T-100 Segment |
| 2025 | 52,930 | BTS T-100 Segment |

## Routes

1 destination in 1 country. From the airport's Wikipedia article.

### Year-round (1)

- [ORD](https://dromopedia.com/airports/kord.md) Chicago O'Hare International Airport · United States · 268 mi / 432 km · United Express

## Airlines

The figure is how many destinations each airline flies from EAU, as the routes above have them. Hubs from Wikidata.

### Passenger (1)

- UA [United Express](https://dromopedia.com/airlines/united-express) · 1

## Rankings

Ranked among 48,075 open airports; = marks a shared place.

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Passengers | 53K (2025) | #2,064 of 3,974 | #475 in North America | #320 in US |
| Longest runway | 8,101 ft / 2,469 m | =2,633 of 29,858 | =521 in North America | =385 in US |
| Elevation | 913 ft / 278 m | =19,223 of 43,403 | =8,743 in North America | =7,087 in US |
| Age | Opened 1944 | =2,300 of 15,079 | =1,299 in North America | =1,249 in US |
| Runways | 2 | =715 of 29,978 | =435 in North America | =391 in US |

## Radio frequencies

| Type | Description | MHz |
| --- | --- | --- |
| A/D | MINNEAPOLIS APP/DEP | 125.300 |
| ASOS | ASOS | 119.675 |
| RDO | GREEN BAY RDO | 122.650 |
| UNIC | CTAF/UNICOM | 123.000 |

## Nearby airports

- [RNH](https://dromopedia.com/airports/krnh.md) New Richmond Regional Airport · 55 mi / 89 km
- [LSE](https://dromopedia.com/airports/klse.md) La Crosse Regional Airport · 69 mi / 111 km
- [STP](https://dromopedia.com/airports/kstp.md) Saint Paul Downtown Holman Field · 77 mi / 124 km
- [HYR](https://dromopedia.com/airports/khyr.md) Sawyer County Airport · 80 mi / 129 km
- [RST](https://dromopedia.com/airports/krst.md) Rochester International Airport · 83 mi / 134 km
- [MSP](https://dromopedia.com/airports/kmsp.md) Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field · 85 mi / 137 km

## Sources

- [BTS T-100 Segment](https://www.transtats.bts.gov/Tables.asp?QO_VQ=EEE&QO_anzr=Nv4%20Pn44vr45): US traffic: Bureau of Transportation Statistics, T-100 Segment (Public Domain (US Government))
- [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government))
- [NOAA Aviation Weather Center](https://aviationweather.gov/data/api/): Weather data: NOAA Aviation Weather Center (Public Domain (US Government))
- [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain)
- [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0)
- [Wikipedia: “Chippewa Valley Regional Airport”](https://en.wikipedia.org/w/index.php?title=Chippewa_Valley_Regional_Airport&oldid=1375042093), revision of 15 Sep 2026 (CC BY-SA 4.0)
- [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0)
- Every figure with its source: https://dromopedia.com/airports/keau/data