Rimrock Lake and Tieton water level
Reservoir, Washington, United States
Right now
Normal for mid-October
Surface elevation
- Water stored
- 54,438 acre‑ft
History
202120222023202420252026
What this means
The lake level at Rimrock Lake and Tieton reads 2,849.86 ft, about where it usually sits at this time of year.
The median for mid-October is 2,848.93 ft, based on 36 years of readings, so the lake level is 0.93 ft above typical. On the same day last year the reading was 2,816.25 ft, a difference of +33.61 ft.
It is still going down, by 6.75 ft over the past week. The 30-day range is 2,849.86 ft – 2,884.44 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
- 2,848.93 ft0.93 ft above the median for this date
- Normal for this date
- 2,813.66 ft – 2,869.31 ft8 years in 10 fall in this range (36 years of records)
- Same day last year
- 2,816.25 ft+33.61 ft
- Lowest and highest in 30 days
- 2,849.86 ft – 2,884.44 ft
- Lowest and highest in 12 months
- 2,817.02 ft – 2,925.09 ft
Boating and fishing at Rimrock Lake and Tieton
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 |
|---|---|---|---|---|
| Bumping Lake and Bumping LakeLake | 3,398.20 ft | Low | 17 mi | |
| American River near NileRiver gauge, American River | 71.84 ft | Very low | ±0 | 22 mi |
| Cowlitz River at PackwoodRiver gauge, Cowlitz River | 0.81 ft | Very low | −0.04 ft | 26 mi |
| Klickitat River above West Fork near GlenwoodRiver gauge, Klickitat River | 1.03 ft | Normal | −0.01 ft | 28 mi |
| Toppenish Creek near Fort SimcoeRiver gauge, Toppenish Creek | 14.3 cfs | Low | ±0 | 29 mi |
| Ahtanum Creek at Union GapRiver gauge, Ahtanum Creek | 2.71 ft | Very low | −0.01 ft | 32 mi |
| Yakima River above Ahtanum Creek at Union GapRiver gauge, Yakima River | 40.26 ft | Very high | −0.03 ft | 33 mi |
| Yakima River at UmtanumRiver gauge, Yakima River | 30.73 ft | Low | −0.06 ft | 34 mi |
Questions and answers
Is Rimrock Lake and Tieton higher than last year?
Yes, it is 33.61 ft higher than on the same day last year, when the reading was 2,816.25 ft.
What is a normal level for Rimrock Lake and Tieton in mid-October?
The median for mid-October is 2,848.93 ft. In 8 years out of 10 the reading falls between 2,813.66 ft and 2,869.31 ft, based on 36 years of records.
Is Rimrock Lake and Tieton really 2,849.86 ft deep?
No. 2,849.86 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 Rimrock Lake and Tieton today?
On Oct 16, 2026, the surface elevation was 2,849.86 ft. Down 6.75 ft over the last 7 days.
Is Rimrock Lake and Tieton rising or falling?
Down 6.75 ft over the last 7 days.
Is the level of Rimrock Lake and Tieton 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:7196(Agency page)- Coordinates
46.65660, -121.12893(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 | 2,849.86 ft | 2026-10-16 07:00 | Provisional |
| Water stored | 54,438 acre‑ft | 2026-10-16 07:00 | Provisional |
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How to cite
U.S. Bureau of Reclamation: Rimrock Lake and Tieton (usbr:7196). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/rimrock-lake-and-tieton
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