Little Wood River Reservoir water level

Name: Little Wood River Reservoir water level (U.S. Bureau of Reclamation)
Creator: U.S. Bureau of Reclamation
License: https://www.usbr.gov/main/disclaim.html

Reservoir, Idaho, United States

Directions

Normal for mid-October

Surface elevation

5,180.74ft Up 1.78 ft over the last 7 days

Measured Oct 18, 2026 (2 days ago)

Water stored: 6,554 acre‑ft

History

What this means

Nothing unusual at Little Wood River Reservoir right now: the lake level of 5,180.74 ft is in the normal range for mid-October.

That puts it 5.00 ft above the median of 5,175.74 ft for mid-October, based on 36 years of readings. A year ago it stood at 5,170.66 ft (+10.08 ft).

The water is rising: up 1.78 ft over the past week. Over the past 30 days it has moved between 5,178.24 ft and 5,183.69 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: 5,175.74 ft5.00 ft above the median for this date
Normal for this date: 5,153.83 ft – 5,200.04 ft8 years in 10 fall in this range (36 years of records)
Same day last year: 5,170.66 ft+10.08 ft
Lowest and highest in 30 days: 5,178.24 ft – 5,183.69 ft
Lowest and highest in 12 months: 5,171.11 ft – 5,236.63 ft

Swimming and boating at Little Wood River Reservoir

At a normal level, ramps and marinas generally run as usual, and fishing tends to follow the season more than the water level.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

No rain in the last 3 days.

19 Mon 64° 39° – Wind 11 mph

20 Tue 64° 44° – Wind 12 mph

21 Wed 65° 47° 0.06 in, 38% Wind 9 mph

22 Thu 67° 51° 0.17 in, 88% Wind 15 mph

23 Fri 55° 44° 0.28 in, 88% Wind 6 mph

24 Sat 52° 38° – Wind 6 mph

25 Sun 56° 38° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 07:56 AM Sunset 06:48 PM Daylight 10 hr, 52 min First quarter 62%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Little Wood River near CareyRiver gauge, Little Wood River	0.80 ft	Below flood stage	±0	2.8 mi
Little Wood River above High Five Creek near CareyRiver gauge, Little Wood River	1.43 ft	Below flood stage	+0.01 ft	4.9 mi
Silver Creek at Sportsman Access near PicaboRiver gauge, Silver Creek	6.65 ft	Below flood stage	±0	8 mi
Big Wood River at S Broadford Bridge near BellevueRiver gauge, Big Wood River	5.67 ft	Below flood stage	−0.01 ft	12 mi
Big Wood River at Hailey Id Total FlowRiver gauge, Big Wood River	1.58 ft	Below flood stage	−0.01 ft	16 mi
Big Wood River at Stanton Crossing near BellevueRiver gauge, Big Wood River	15.6 cfs	Low	−0.5 cfs	16 mi
East Fork Big Wood River at GimletRiver gauge, East Fork Big Wood River	4.89 ft	Below flood stage	−0.01 ft	20 mi
Big Wood River below Magic Dam near RichfieldRiver gauge, Big Wood River	1.77 ft	Below flood stage	±0	21 mi

Questions and answers

How does Little Wood River Reservoir compare with last year?

It is 10.08 ft higher than on the same day last year, when the reading was 5,170.66 ft.

What is a normal level for Little Wood River Reservoir in mid-October?

The median for mid-October is 5,175.74 ft. In 8 years out of 10 the reading falls between 5,153.83 ft and 5,200.04 ft, based on 36 years of records.

Is Little Wood River Reservoir really 5,180.74 ft deep?

No. 5,180.74 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 Little Wood River Reservoir today?

On Oct 18, 2026, the surface elevation was 5,180.74 ft. Up 1.78 ft over the last 7 days.

Is Little Wood River Reservoir rising or falling?

Up 1.78 ft over the last 7 days.

Is the level of Little Wood River 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:7202 (Agency page)
Coordinates: 43.42528, -114.02723 (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	5,180.74 ft	2026-10-18 06:00	Provisional
Water stored	6,554 acre‑ft	2026-10-18 06:00	Provisional

Download

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How to cite

U.S. Bureau of Reclamation: Little Wood River Reservoir (usbr:7202). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/little-wood-river-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