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Seminoe Reservoir Water Level Today

Daily level, distance to full pool and history for Seminoe Reservoir, on the North Platte River in Wyoming.

Updated · Source: Bureau of ReclamationReclamation

Water level

6,291.26ft

msl · Daily reading for Nov 8, 2026

  • 65.74 ftbelow full pool (6,357.0 ft)
  • −0.11 ftin 24 h−0.36 ft in 7 days−2.18 ft in 30 days
6,2806,3006,3206,3406,3606,3806,2806,3006,3206,3406,3606,3806,2806,3006,3206,3406,3606,380
  • Full pool
  • 1 yr ago

Is Seminoe Reservoir full?

No. Seminoe Reservoir is 65.74 ft below full pool (6,357.0 ft). It is 19.08 ft lower than a year ago (6,310.34 ft on Nov 8, 2025).

Seminoe Reservoir level history

View data table
DateLevel (ft)
Nov 8, 20266,291.26
Nov 7, 20266,291.37
Nov 6, 20266,291.44
Nov 5, 20266,291.41
Nov 4, 20266,291.45
Nov 3, 20266,291.51
Nov 2, 20266,291.57
Nov 1, 20266,291.62
Oct 31, 20266,291.68
Oct 30, 20266,291.76
Oct 29, 20266,291.82
Oct 28, 20266,291.88
Oct 27, 20266,291.96
Oct 26, 20266,292.06
Oct 25, 20266,292.12
Oct 24, 20266,292.20
Oct 23, 20266,292.31
Oct 22, 20266,292.41
Oct 21, 20266,292.50
Oct 20, 20266,292.55
Oct 19, 20266,292.62
Oct 18, 20266,292.69
Oct 17, 20266,292.76
Oct 16, 20266,292.82
Oct 15, 20266,292.84
Oct 14, 20266,292.91
Oct 13, 20266,292.99
Oct 12, 20266,293.09
Oct 11, 20266,293.20
Oct 10, 20266,293.32
Oct 9, 20266,293.44
  • Seminoe Reservoir level
  • Full pool 6,357.0 ft
  • Above full pool
Source: Reclamation · Daily readings since 1950

Seminoe Reservoir on Nov 8 in past years

Seminoe Reservoir water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today6,291.26—−65.74 ft
20256,310.34+19.08−46.66 ft
20246,326.10+34.84−30.90 ft
20236,336.79+45.53−20.21 ft
20226,321.77+30.51−35.23 ft
20216,304.85+13.59−52.15 ft
20206,334.41+43.15−22.59 ft
20196,345.51+54.25−11.49 ft
20186,335.83+44.57−21.17 ft
20176,346.03+54.77−10.97 ft
20166,344.13+52.87−12.87 ft

Today’s level is the lowest for Nov 8 in records going back to 1950.

Lake facts

Full pool (conservation pool)
6,357.0 ft msl
Highest since 1950
6,358.86 ftJul 9, 1983
Lowest since 1950
6,253.30 ftApr 20, 1961
Data since
Jan 1, 1950
Dam
Seminoe Damcompleted 1938
River
North Platte River
Owned by
Bureau of Reclamation
Dam location
Carbon County
Gauge location
42.1558, −106.9081

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Jan 1, 1950 to today (daily averages).

Seminoe Reservoir map and depth

  • Dam and level gauge
Shoreline © OpenStreetMap contributors · Open the full map
Average depth when full
about 132 ftcapacity ÷ surface area
Surface area
about 7,710 acresmeasured on the OpenStreetMap outline
Height of Seminoe Dam
295 ftNational Inventory of Dams

The outline shows the mapped shoreline, not today’s water line: when the lake is low, the water stands back from it.

Weather on the lake

  1. Today54°FHighLow 35°FSW 10–20 mphMostly Sunny
  2. Tonight35°FLowSW 10–15 mphMostly Cloudy
  3. Tuesday53°FHighLow 33°FWSW 10–30 mphMostly Sunny
  4. Wednesday50°FHighLow 32°FSW 5–15 mphSunny
  5. Thursday54°FHighLow 34°FSW 5–10 mphSunny
  6. Friday54°FHighLow 35°FSW 10–20 mphMostly Sunny
  7. Saturday53°FHighLow 35°FSW 10–15 mphMostly Sunny

Forecast: National Weather Service for the dam area (42.16, −106.91). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Seminoe Reservoir?
6,357.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Seminoe Dam.
How much does Seminoe Reservoir need to be full?
Seminoe Reservoir needs 65.74 ft more water to reach full pool (6,357.0 ft), as of Nov 8, 2026.
How deep is Seminoe Reservoir?
Seminoe Reservoir is about 132 ft deep on average when full: 1,017,273 acre-ft of storage spread over about 7,710 acres of surface. As in most reservoirs, the deepest water is in the old river channel near Seminoe Dam.
Is Seminoe Reservoir rising or falling?
It is falling: −0.36 ft in the last 7 days and −0.11 ft in 24 hours, to 6,291.26 ft on Nov 8, 2026 (Bureau of Reclamation).
When was Seminoe Reservoir last full?
It was last at or above full pool (6,357.0 ft) on Jul 17, 1983. On Nov 8, 2026 it was 65.74 ft below.
What is the highest level in our data?
Seminoe Reservoir reached 6,358.86 ft on Jul 9, 1983. The lowest was 6,253.30 ft on Apr 20, 1961 (Reclamation data since 1950; older records are not in this data set).
How much has Seminoe Reservoir changed in the last year?
In the last 12 months it ranged from 6,291.26 ft (Nov 8, 2026) to 6,313.97 ft (Jun 8, 2026), a swing of 22.71 ft.
How often is this page updated?
This page is updated every day with the daily reading of the Bureau of Reclamation, which is usually published one or two days later. The last reading is from Nov 8, 2026.

Where this data comes from

Daily elevation from the Bureau of Reclamation (data.usbr.gov). Updated once a day. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.