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Prineville Reservoir and Arthur R. Bowman water level

Reservoir, Oregon, United States

Directions

Low for mid-October

Surface elevation

3,175.51ft Down 0.31 ft over the last 7 days

Water stored
32,714 acre‑ft
3,175 3,200

History

3,1803,200ftOct 14Oct 15Oct 16Oct 17Oct 193,1803,200ftOct 14Oct 16Oct 19
3,1803,2003,220ftSep 21Sep 28Oct 5Oct 12Oct 193,1803,2003,220ftSep 21Oct 5Oct 19
3,1803,2003,2203,240ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20263,1803,2003,2203,240ftOct 2025Apr 2026Oct 2026
3,1503,1753,2003,225ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20263,1503,1753,2003,225ftOct 2016Oct 2021Oct 2026
3,1503,1753,2003,225ftJanMarMayJulSepNov20263,1503,1753,2003,225ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

Water is short at Prineville Reservoir and Arthur R. Bowman: the latest reading of 3,175.51 ft is below normal for mid-October.

The median for mid-October is 3,208.37 ft, based on 36 years of readings, so the lake level is 32.86 ft below typical. On the same day last year the reading was 3,206.37 ft, a difference of −30.86 ft.

It is still going down, by 0.31 ft over the past week. With the water still dropping, the shoreline keeps moving out. The 30-day range is 3,175.51 ft – 3,178.57 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 36 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
3,208.37 ft32.86 ft below the median for this date
Normal for this date
3,171.36 ft – 3,213.10 ft8 years in 10 fall in this range (36 years of records)
Same day last year
3,206.37 ft−30.86 ft
Lowest and highest in 30 days
3,175.51 ft – 3,178.57 ft
Lowest and highest in 12 months
3,175.55 ft – 3,219.86 ft

Boating and fishing at Prineville Reservoir and Arthur R. Bowman

At low levels, launching can mean a long walk or a closed ramp, and shallow points stick out further than charts suggest.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

No rain in the last 3 days.

20 Tue 63° 36° – Wind 11 mph
21 Wed 74° 38° – Wind 9 mph
22 Thu 54° 46° 0.09 in, 45% Wind 12 mph
23 Fri 52° 32° – Wind 17 mph
24 Sat 61° 36° – Wind 11 mph
25 Sun 62° 41° – Wind 6 mph
26 Mon 59° 37° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:25 AM Sunset 06:12 PM Daylight 10 hr, 48 min Waxing gibbous 71%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Ochoco ReservoirReservoir 3,080.76 ft Low 13 mi
Crooked River below Osborne Canyon, near Opal CityRiver gauge, Crooked River 132 cfs Very low ±0 31 mi
Haystack ReservoirReservoir 2,832.95 ft Low 32 mi
Crooked River below Opal Springs, near CulverRiver gauge, Crooked River 1,170 cfs Very low −40.0 cfs 36 mi
Sf Crooked River near Bell Butte, near PaulinaRiver gauge, Sf Crooked River 3.89 ft No reference yet +0.01 ft 37 mi
Deschutes River near CulverRiver gauge, Deschutes River 793 cfs Normal −37.0 cfs 38 mi
Bridge Creek below Intake, near BendRiver gauge, Bridge Creek 28.5 cfs Very high +17.8 cfs 39 mi
Lake Billy Chinook near CulverLake, Lake Billy Chinook 1,942.77 ft No reference yet −0.06 ft 39 mi

Questions and answers

Is Prineville Reservoir and Arthur R. Bowman higher than last year?

No, it is 30.86 ft lower than on the same day last year, when the reading was 3,206.37 ft.

What is a normal level for Prineville Reservoir and Arthur R. Bowman in mid-October?

The median for mid-October is 3,208.37 ft. In 8 years out of 10 the reading falls between 3,171.36 ft and 3,213.10 ft, based on 36 years of records.

Is Prineville Reservoir and Arthur R. Bowman really 3,175.51 ft deep?

No. 3,175.51 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Prineville Reservoir and Arthur R. Bowman today?

On Oct 19, 2026, the surface elevation was 3,175.51 ft. Down 0.31 ft over the last 7 days.

Is Prineville Reservoir and Arthur R. Bowman rising or falling?

Down 0.31 ft over the last 7 days.

Is the level of Prineville Reservoir and Arthur R. Bowman normal?

Low for mid-October. Compared with 36 years of daily readings for this time of year.

How often is this data updated?

The U.S. Bureau of Reclamation publishes a new reading once a day. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Bureau of Reclamation
Station code
usbr:3666 (Agency page)
Coordinates
44.11125, -120.78738 (WGS84)
Update interval
once a day
Licence
Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation 3,175.51 ft 2026-10-19 07:00 Provisional
Water stored 32,714 acre‑ft 2026-10-19 07:00 Provisional

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How to cite

U.S. Bureau of Reclamation: Prineville Reservoir and Arthur R. Bowman (usbr:3666). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oregon/prineville-reservoir-and-arthur-r-bowman

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer