Billy Clapp Lake

Name: Billy Clapp Lake (Washington) water level
Creator: U.S. Bureau of Reclamation

Washington · Reclamation gauge

Grey bar: 12-month range 1,316.2–1,335.9 ft.

Water level · NAVD88

1,325.14FT

Storage 11,321 acre-feet

The source publishes no % full figure.

7 days −7.95 ft30 days −8.65 ft

Reading for Oct 24, 2026 · page refreshed Oct 25, 20:24 UTC
Source: U.S. Bureau of Reclamation (RISE)

Worth going today?This Afternoon

Looks good

Light wind, dry

Wind10 mph

Rain1%

Temp63°F

Level1,325.1 ft

This AfternoonMostly Cloudy · 63°F
E 10 mph · rain 1%

TonightMostly Cloudy then Chance Rain Showers · 38°F
NE 9 to 14 mph · rain 26%

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.

Level history

30 days1 year

Field notes

Billy Clapp Lake's latest daily level (Oct 24, 2026) is 1,325.14 (NAVD88) ft.

Reclamation reports storage of 11,321 acre-feet for the same day.

Over the past 7 days the lake has been falling (−7.95 ft), and it is −8.65 ft over 30 days.

Readings come from the Bureau of Reclamation's daily reservoir data for Billy Clapp Lake and Pinto Dam (BCP).

Lake facts

Storage (latest)	11,321 acre-feet
Gauge / station	Billy Clapp Lake and Pinto Dam (BCP)
Elevation datum	ft (NAVD88)
Gauge location	47.4481, -119.2544

Nearby lakes

Soap Lake11 mi W1,068.33 ft±0.00 ft Lenore Lake12 mi W1,076.62 ft−0.02 ft Moses Lake24 mi S1,046.64 ft−0.12 ft Potholes Reservoir32 mi S1,033.60 ft+1.15 ft Franklin D. Roosevelt Lake37 mi Nno reading—

Common questions

Is Billy Clapp Lake rising or falling?

Over the last 7 days it changed −7.95 ft and over 30 days −8.65 ft.

How full is Billy Clapp Lake?

Reclamation 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 Reclamation's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Bureau of Reclamation's RISE data portal (data.usbr.gov). Forecasts come from the National Weather Service.

Daily values published by the Bureau of Reclamation; provisional and subject to revision. Reclamation data are provisional and subject to revision unless otherwise noted. This page is not affiliated with or endorsed by the Bureau of Reclamation. See data sources.