States

Lake Billy Chinook

near Grandview, OR · Oregon · USGS gauge
1,9411,9421,9431,944
Water level · NGVD29
1,942.49FT
Gauge elevation · no % full published
7 days −0.29 ft30 days −0.63 ftvs last year +1.95 ft
Reading for Oct 25, 2026, 18:15 UTC · page refreshed Oct 25, 21:16 UTC
Source: U.S. Geological Survey (Water Data for the Nation)
Worth going today?Today
Looks good
Light wind, dry
Wind6 to 9 mph
Rain5%
Temp61°F
Level1,942.5 ft
TodayCloudy · 61°F
SW 6 to 9 mph · rain 5%
TonightRain Showers Likely · 38°F
W 1 to 5 mph · rain 58%
NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Field notes

On Oct 25, 2026, Lake Billy Chinook was at 1,942.49 (NGVD29) ft.

Over the past 7 days the lake has been falling (−0.29 ft), and it is −0.63 ft over 30 days.

Compared with a year ago (1,940.54 ft, same time of day), the lake is 1.95 ft higher.

Readings come from the USGS gauge “LAKE BILLY CHINOOK NEAR GRANDVIEW, OR”. Gauge elevations are not directly comparable between lakes because each uses its own datum.

Lake facts

Gauge / stationLAKE BILLY CHINOOK NEAR GRANDVIEW, OR
Elevation datumft (NGVD29)
Gauge location44.5846, -121.3720

Other gauges on this lake

LAKE BILLY CHINOOK NEAR CULVER, OR1,942.54 ft (NGVD29)Oct 25, 18:15 UTC

Nearby lakes

Haystack Reservoir12 mi SE2,832.91 ft−0.04 ftOchoco Reservoir38 mi SE3,080.62 ft−0.19 ftProwell Springs Diversion Pool40 mi S7.80 ft−0.01 ftPrineville Reservoir44 mi SE3,175.41 ft−0.16 ftClear Lake44 mi N3,483.74 ft−0.03 ft

Common questions

Is Lake Billy Chinook rising or falling?

Over the last 7 days it changed −0.29 ft and over 30 days −0.63 ft.

How full is Lake Billy Chinook?

USGS publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from USGS's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Geological Survey's Water Data API (api.waterdata.usgs.gov), which publishes readings from USGS and partner gauges. Forecasts come from the National Weather Service.

Latest instantaneous reading; 7-day, 30-day and year-ago changes compare readings at the same hour. USGS data are provisional and subject to revision. This page is not affiliated with or endorsed by the USGS. See data sources.