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Enders Reservoir water level

Reservoir, Montana, United States

Directions

Very low for mid-October

Surface elevation

3,080.07ft Down 0.09 ft over the last 7 days

Water stored
7,555 acre‑ft
3,080 3,085 3,090 3,095

History

3,0803,0853,0903,095ftOct 14Oct 15Oct 16Oct 17Oct 183,0803,0853,0903,095ftOct 14Oct 16Oct 18
3,0803,0853,0903,095ftSep 21Sep 27Oct 4Oct 11Oct 183,0803,0853,0903,095ftSep 21Oct 4Oct 18
3,0803,0903,100ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20263,0803,0903,100ftOct 2025Apr 2026Oct 2026
3,0783,0803,0833,085ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20263,0783,0803,0833,085ftNov 2016Nov 2021Oct 2026
3,0803,0903,100ftJanMarMayJulSepNov20263,0803,0903,100ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

Water is short at Enders Reservoir: the latest reading of 3,080.07 ft is far below normal for mid-October.

The median for mid-October is 3,085.88 ft, based on 36 years of readings, so the lake level is 5.81 ft below typical. On the same day last year the reading was 3,081.36 ft, a difference of −1.29 ft.

It is still going down, by 0.09 ft over the past week. With the water still dropping, the shoreline keeps moving out. The 30-day range is 3,080.07 ft – 3,080.34 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
3,085.88 ft5.81 ft below the median for this date
Normal for this date
3,080.78 ft – 3,095.64 ft8 years in 10 fall in this range (36 years of records)
Same day last year
3,081.36 ft−1.29 ft
Lowest and highest in 30 days
3,080.07 ft – 3,080.34 ft
Lowest and highest in 12 months
3,080.07 ft – 3,082.10 ft

Boating and fishing at Enders Reservoir

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 71° 36° – Wind 9 mph
21 Wed 74° 45° – Wind 7 mph
22 Thu 78° 58° 0.01 in Wind 17 mph
23 Fri 79° 65° – Wind 27 mph
24 Sat 68° 57° 0.00 in, 40% Wind 22 mph
25 Sun 56° 44° 0.77 in, 39% Wind 18 mph
26 Mon 51° 43° – Wind 12 mph

Forecast: Open-Meteo

Sunrise 07:03 AM Sunset 06:00 PM Daylight 10 hr, 57 min First quarter 67%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Frenchman Creek at PalisadeRiver gauge, Frenchman Creek 2.40 ft Normal +0.01 ft 21 mi
Republican River at StrattonRiver gauge, Republican River 4.18 ft Low ±0 25 mi
Republican River at BenkelmanRiver gauge, Republican River 2.86 ft Normal +0.02 ft 27 mi
Rock Creek at ParksRiver gauge, Rock Creek 1.38 ft Normal +0.08 ft 28 mi
South Fork Republican River near BenkelmanRiver gauge, South Fork Republican River −0.50 ft Below flood stage +0.01 ft 28 mi
Swanson Lake and TrentonReservoir 2,734.04 ft Normal 30 mi
Buffalo Creek near HaiglerRiver gauge, Buffalo Creek 0.84 ft Normal +0.01 ft 32 mi
Frenchman Creek at CulbertsonRiver gauge, Frenchman Creek 2.75 ft Normal +0.02 ft 36 mi

Questions and answers

Is Enders Reservoir higher than last year?

No, it is 1.29 ft lower than on the same day last year, when the reading was 3,081.36 ft.

What is a normal level for Enders Reservoir in mid-October?

The median for mid-October is 3,085.88 ft. In 8 years out of 10 the reading falls between 3,080.78 ft and 3,095.64 ft, based on 36 years of records.

Is Enders Reservoir really 3,080.07 ft deep?

No. 3,080.07 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 Enders Reservoir today?

On Oct 18, 2026, the surface elevation was 3,080.07 ft. Down 0.09 ft over the last 7 days.

Is Enders Reservoir rising or falling?

Down 0.09 ft over the last 7 days.

Is the level of Enders Reservoir normal?

Very 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:3656 (Agency page)
Coordinates
40.42080, -101.51750 (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 3,080.07 ft 2026-10-18 06:00 Provisional
Water stored 7,555 acre‑ft 2026-10-18 06:00 Provisional

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How to cite

U.S. Bureau of Reclamation: Enders Reservoir (usbr:3656). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/enders-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