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Lake Billy Chinook water level today

Lake in Jefferson County, Oregon

1,942.57ft
592.10 m · NGVD29
Measured · provisional
Below normal for the dateSteady
24 hours
▼ 0.05 ft
7 days
▼ 0.11 ft
30 days
▼ 0.81 ft
Normal for Oct 23 ?
1,943.62 ft

At a glance · Oct 23

Lower than usual

Lake Billy Chinook is 1.1 ft lower than normal for Oct 23, lower than on this date in 8 of the last 10 years.

  • This week↘ Falling 0.11 ft
  • Lowest on record↓ 1,936.56 ft (2010)

Compared with this gauge's own records for the same date. A statistical guide, not advice.

Normal for Oct 23Record lowToday1,942.57 ft

Today compared with past years on Oct 23

Lowest to highest on this date: 1,938.73–1,944.95 ftUsual range (10th–90th percentile): 1,940.50–1,944.38 ftNormal (25th–75th percentile): 1,942.93–1,944.21 ftToday: 1,942.57 ftToday 1,942.57 ftMedian 1,943.62Lowest 1,938.7325th75th
Lowest to highest on this date: 1,938.73–1,944.95 ftUsual range (10th–90th percentile): 1,940.50–1,944.38 ftNormal (25th–75th percentile): 1,942.93–1,944.21 ftToday: 1,942.57 ftToday 1,942.57 ftMedian 1,943.62Lowest 1,938.7325th75th

Where today's reading sits among this gauge's own records for the same date (±3 days). A statistical guide, not advice.

What this means

It is lower than on Oct 23 in 8 of the last 10 years.

The lake has fallen 0.11 ft in 7 days and fallen 0.81 ft in 30 days.

Since 2005, the lowest daily level was 1,936.56 ft (Nov 2010) and the highest 1,945.08 ft (Apr 2021).

Lake Billy Chinook level chart

Loading chart…

Measured Normal range for the date (middle 50% of past years)

2026 compared with 2025

1,9381,9401,9421,9441,946JanFebMarAprMayJunJulAugSepOctNovDec202520262025-09-17: 1,944.12 ft2025-09-22: 1,943.34 ft2025-09-27: 1,942.51 ft2025-10-02: 1,941.86 ft2025-10-07: 1,941.54 ft2025-10-12: 1,940.99 ft2025-10-17: 1,940.58 ft2025-10-22: 1,940.62 ft2025-10-27: 1,940.55 ft2025-11-01: 1,940.57 ft2025-11-06: 1,940.45 ft2025-11-11: 1,940.29 ft2025-11-16: 1,940.06 ft2025-11-21: 1,939.95 ft2025-11-26: 1,939.88 ft2025-12-01: 1,939.95 ft2025-12-06: 1,940.14 ft2025-12-11: 1,940.29 ft2025-12-16: 1,940.39 ft2025-12-21: 1,940.06 ft2025-12-26: 1,940.19 ft2025-12-31: 1,940.17 ft2026-01-05: 1,940.12 ft2026-01-10: 1,940.51 ft2026-01-15: 1,940.30 ft2026-01-20: 1,940.48 ft2026-01-25: 1,941.34 ft2026-01-30: 1,941.43 ft2026-02-04: 1,941.77 ft2026-02-09: 1,942.16 ft2026-02-14: 1,942.61 ft2026-02-19: 1,942.78 ft2026-02-24: 1,942.71 ft2026-03-01: 1,943.17 ft2026-03-06: 1,943.58 ft2026-03-11: 1,943.58 ft2026-03-16: 1,943.69 ft2026-03-21: 1,943.73 ft2026-03-26: 1,943.76 ft2026-03-31: 1,943.58 ft2026-04-05: 1,943.77 ft2026-04-10: 1,943.81 ft2026-04-15: 1,943.98 ft2026-04-20: 1,943.92 ft2026-04-25: 1,944.35 ft2026-04-30: 1,944.46 ft2026-05-05: 1,944.66 ft2026-05-10: 1,944.68 ft2026-05-15: 1,944.70 ft2026-05-20: 1,944.57 ft2026-05-25: 1,944.58 ft2026-05-30: 1,944.64 ft2026-06-04: 1,944.50 ft2026-06-09: 1,944.65 ft2026-06-14: 1,944.49 ft2026-06-19: 1,944.77 ft2026-06-24: 1,944.51 ft2026-06-29: 1,944.70 ft2026-07-04: 1,944.62 ft2026-07-09: 1,944.69 ft2026-07-14: 1,944.76 ft2026-07-19: 1,944.64 ft2026-07-24: 1,944.64 ft2026-07-29: 1,944.44 ft2026-08-03: 1,944.43 ft2026-08-08: 1,944.59 ft2026-08-13: 1,944.79 ft2026-08-18: 1,944.46 ft2026-08-23: 1,944.65 ft2026-08-28: 1,944.65 ft2026-09-02: 1,944.74 ft2026-09-07: 1,944.69 ft2026-09-12: 1,944.33 ft2026-09-17: 1,944.18 ft2026-09-22: 1,943.61 ft2026-09-27: 1,942.50 ft2026-10-02: 1,942.36 ft2026-10-07: 1,942.46 ft2026-10-12: 1,942.43 ft2026-10-17: 1,942.83 ft
1,9381,9401,9421,9441,946JanAprJulOct202520262025-09-17: 1,944.12 ft2025-09-22: 1,943.34 ft2025-09-27: 1,942.51 ft2025-10-02: 1,941.86 ft2025-10-07: 1,941.54 ft2025-10-12: 1,940.99 ft2025-10-17: 1,940.58 ft2025-10-22: 1,940.62 ft2025-10-27: 1,940.55 ft2025-11-01: 1,940.57 ft2025-11-06: 1,940.45 ft2025-11-11: 1,940.29 ft2025-11-16: 1,940.06 ft2025-11-21: 1,939.95 ft2025-11-26: 1,939.88 ft2025-12-01: 1,939.95 ft2025-12-06: 1,940.14 ft2025-12-11: 1,940.29 ft2025-12-16: 1,940.39 ft2025-12-21: 1,940.06 ft2025-12-26: 1,940.19 ft2025-12-31: 1,940.17 ft2026-01-05: 1,940.12 ft2026-01-10: 1,940.51 ft2026-01-15: 1,940.30 ft2026-01-20: 1,940.48 ft2026-01-25: 1,941.34 ft2026-01-30: 1,941.43 ft2026-02-04: 1,941.77 ft2026-02-09: 1,942.16 ft2026-02-14: 1,942.61 ft2026-02-19: 1,942.78 ft2026-02-24: 1,942.71 ft2026-03-01: 1,943.17 ft2026-03-06: 1,943.58 ft2026-03-11: 1,943.58 ft2026-03-16: 1,943.69 ft2026-03-21: 1,943.73 ft2026-03-26: 1,943.76 ft2026-03-31: 1,943.58 ft2026-04-05: 1,943.77 ft2026-04-10: 1,943.81 ft2026-04-15: 1,943.98 ft2026-04-20: 1,943.92 ft2026-04-25: 1,944.35 ft2026-04-30: 1,944.46 ft2026-05-05: 1,944.66 ft2026-05-10: 1,944.68 ft2026-05-15: 1,944.70 ft2026-05-20: 1,944.57 ft2026-05-25: 1,944.58 ft2026-05-30: 1,944.64 ft2026-06-04: 1,944.50 ft2026-06-09: 1,944.65 ft2026-06-14: 1,944.49 ft2026-06-19: 1,944.77 ft2026-06-24: 1,944.51 ft2026-06-29: 1,944.70 ft2026-07-04: 1,944.62 ft2026-07-09: 1,944.69 ft2026-07-14: 1,944.76 ft2026-07-19: 1,944.64 ft2026-07-24: 1,944.64 ft2026-07-29: 1,944.44 ft2026-08-03: 1,944.43 ft2026-08-08: 1,944.59 ft2026-08-13: 1,944.79 ft2026-08-18: 1,944.46 ft2026-08-23: 1,944.65 ft2026-08-28: 1,944.65 ft2026-09-02: 1,944.74 ft2026-09-07: 1,944.69 ft2026-09-12: 1,944.33 ft2026-09-17: 1,944.18 ft2026-09-22: 1,943.61 ft2026-09-27: 1,942.50 ft2026-10-02: 1,942.36 ft2026-10-07: 1,942.46 ft2026-10-12: 1,942.43 ft2026-10-17: 1,942.83 ft
20262025Normal (middle 50% of past years)Usual range (10th–90th percentile)Median

Each year drawn on the same January–December axis, over this gauge's normal range for each date. Hover or tap a point for its value.

Same date in past years

DateLevelvs today
Oct 23, 20251,940.55 ft▼ 2.02 ft
Oct 23, 20241,943.52 ft▲ 0.95 ft
Oct 23, 20231,941.28 ft▼ 1.29 ft
Oct 23, 20221,944.47 ft▲ 1.90 ft
Oct 23, 20211,944.14 ft▲ 1.57 ft
Oct 23, 20201,943.70 ft▲ 1.13 ft
Oct 23, 20191,944.04 ft▲ 1.47 ft
Oct 23, 20181,944.25 ft▲ 1.68 ft
Oct 23, 20171,944.88 ft▲ 2.31 ft
Oct 23, 20161,943.54 ft▲ 0.97 ft

Records & details

Highest
1,945.08 ft on Apr 18, 2021
Lowest
1,936.56 ft on Nov 25, 2010
Records from
2005 (21 years of daily data)
Water temperature
Not measured here

Full history: yearly highs and lows, monthly averages →

Round Butte Dam

Height
440 ft
Completed
1964
Purposes
Hydroelectric; Recreation
Owner
Private
Normal storage
535,000 acre-ft
Surface area
4,000 acres

National Inventory of Dams (U.S. Army Corps of Engineers). All dam facts →

Boat ramps on Lake Billy Chinook

3 ramps without a name, on the map: 123

3 ramps listed. Links open the ramp's location on OpenStreetMap. Check the managing agency for closures, especially at low water. All Oregon boat ramps →

Campgrounds near Lake Billy Chinook

  • South Shore Group Sites7.6 mi · FS
  • South Shore Group Campground7.6 mi · BOR
  • Haystack Campground (east Shore)7.8 mi · FS
  • Perry South Campground9.1 mi · FS

All 4 campgrounds, reservations and phone numbers →

Federal campgrounds from Recreation.gov; straight-line distance from the lake's gauge or dam.

Weather & wind

Today55°F · Areas Of Frost then Sunny
Wind NW 5 mph
Tonight29°F · Mostly Clear then Areas Of Frost
Wind E 0 to 5 mph
Saturday59°F · Mostly Sunny
Wind S 5 mph
Saturday Night35°F · Mostly Cloudy
Wind NE 0 to 6 mph
Sunday58°F · Mostly Sunny then Chance Rain Showers
Wind S 5 mph
Sunday Night36°F · Chance Rain Showers
Wind NW 1 to 5 mph

NOAA National Weather Service forecast for this lake's location, updated 5 h ago.

Nearby lakes

All Oregon lake levels →