Unity Reservoir water level
Reservoir, Oregon, United States
Right now
Normal for mid-October
Surface elevation
- Water stored
- 2,359 acre‑ft
History
202120222023202420252026
What this means
The lake level at Unity Reservoir reads 3,786.14 ft, about where it usually sits at this time of year.
The median for mid-October is 3,787.79 ft, based on 36 years of readings, so the lake level is 1.65 ft below typical. On the same day last year the reading was 3,787.80 ft, a difference of −1.66 ft.
It is still going down, by 0.14 ft over the past week. The 30-day range is 3,786.14 ft – 3,786.31 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
- 3,787.79 ft1.65 ft below the median for this date
- Normal for this date
- 3,782.52 ft – 3,795.95 ft8 years in 10 fall in this range (36 years of records)
- Same day last year
- 3,787.80 ft−1.66 ft
- Lowest and highest in 30 days
- 3,786.14 ft – 3,786.31 ft
- Lowest and highest in 12 months
- 3,786.14 ft – 3,814.09 ft
Boating and fishing at Unity Reservoir
A lake in its usual range is what most ramps, docks and swimming areas are built for.
Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.
Weather at the gauge
The forecast is not available right now.
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Phillips Lake and MasonReservoir | 3,983.31 ft | Very low | 15 mi | |
| John Day River at Blue Mountain Hot Springs near Prairie CityRiver gauge, John Day River | 23.7 cfs | Very low | −1.0 cfs | 22 mi |
| Mf John Day River above Camp Creek, near GalenaRiver gauge, Mf John Day River | 15.5 cfs | Very low | −0.4 cfs | 33 mi |
| John Day River near John DayRiver gauge, John Day River | 3.54 ft | Below flood stage | −0.01 ft | 36 mi |
| Thief Valley ReservoirReservoir | 3,096.44 ft | Very low | 40 mi | |
| Beulah Reservoir and Agency ValleyReservoir | 3,289.59 ft | Normal | 41 mi | |
| Bully Creek ReservoirReservoir | 2,479.48 ft | Normal | 51 mi |
Questions and answers
Is Unity Reservoir higher than last year?
No, it is 1.66 ft lower than on the same day last year, when the reading was 3,787.80 ft.
What is a normal level for Unity Reservoir in mid-October?
The median for mid-October is 3,787.79 ft. In 8 years out of 10 the reading falls between 3,782.52 ft and 3,795.95 ft, based on 36 years of records.
Is Unity Reservoir really 3,786.14 ft deep?
No. 3,786.14 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 Unity Reservoir today?
On Oct 15, 2026, the surface elevation was 3,786.14 ft. Down 0.14 ft over the last 7 days.
Is Unity Reservoir rising or falling?
Down 0.14 ft over the last 7 days.
Is the level of Unity Reservoir normal?
Normal 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:3671(Agency page)- Coordinates
44.50420, -118.18060(WGS84)- Update interval
- once a day
- Licence
- Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Surface elevation | 3,786.14 ft | 2026-10-15 07:00 | Provisional |
| Water stored | 2,359 acre‑ft | 2026-10-15 07:00 | Provisional |
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How to cite
U.S. Bureau of Reclamation: Unity Reservoir (usbr:3671). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oregon/unity-reservoir
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