Independent water-data site. Not a government website. Every number comes from official agency gauges.

Beulah Reservoir water level history

Daily records since 1990 · Level today: 3,290.40 ft

Highest on record
3,340.98 ft
May 16, 1995
Lowest on record
0.00 ft
Mar 11, 1992
Today
3,290.40 ft
Oct 21, 2026
Years of data
37
since 1990

In short

Across 36 complete years, 2003 had the lowest average level (2,668.36 ft) and 1997 the highest (3,329.53 ft).

On average the lake is lowest in September (3,122.11 ft) and highest in April (3,331.23 ft).

Beulah Reservoir level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Lowest years

Years ranked by their lowest daily level.

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (287 days)3,316.773,288.56Oct 63,333.93May 1
20253,324.623,309.37Oct 113,339.74May 27
20243,323.633,303.52Oct 23,339.90May 17
20233,318.743,301.48Jan 13,339.48Jun 15
20223,302.233,285.37Aug 273,322.39May 10
20213,304.653,273.24Sep 173,327.79Apr 20
20203,318.043,297.74Oct 23,333.49May 5
20193,319.883,303.18Jan 13,339.84Jun 1
20183,310.243,286.71Sep 253,329.48Apr 24
20173,320.433,273.24Jun 123,340.01May 21
20163,312.743,285.59Sep 263,338.98Apr 14
20153,305.003,285.29Sep 123,330.44Apr 18
20143,305.523,284.42Aug 253,328.76Apr 26
20133,306.413,282.97Sep 53,327.46Apr 22
20123,317.563,286.42Oct 103,339.13Apr 26
20113,324.673,308.85Jan 13,340.10Jun 25
20103,314.173,292.69Oct 133,336.35Jun 16
20093,304.143,273.17Sep 303,327.39May 16
20083,311.013,273.17Oct 43,336.94Jun 14
20073,309.293,197.90Sep 283,335.01Apr 15
20063,325.293,312.05Oct 153,339.80May 21
20053,316.933,299.73Oct 113,339.94May 20
20043,310.763,273.98Oct 93,336.13Apr 20
20032,668.360.00Jul 123,326.22Apr 26
20022,780.930.00Aug 133,333.14May 2
20013,307.143,283.92Sep 133,328.63Apr 26
20003,322.003,302.40Oct 93,339.86Apr 14
19993,328.083,314.01Oct 183,340.57May 27
19983,329.303,308.95Dec 233,340.03May 26
19973,329.533,315.54Oct 153,340.16Apr 24
19963,328.543,311.39Feb 33,340.30Apr 11
19953,327.093,289.38Jan 33,340.98May 16
19943,305.893,273.09Oct 13,331.25Apr 12
19933,321.033,276.96Jan 33,340.42May 15
19923,282.430.00Mar 113,319.12Apr 16
19913,297.943,272.95Aug 63,318.38Jun 10
19903,303.983,267.97Aug 263,326.62Apr 9

Levels in feet. Partial years show the number of days with data.

Monthly averages

MonthAverageLowestHighest
January3,312.053,273.313,335.23
February3,316.743,283.643,337.53
March3,320.470.003,340.03
April3,331.233,312.893,340.30
May3,315.851,661.173,340.98
June3,328.053,272.813,340.36
July3,310.020.003,339.39
August3,210.530.003,331.44
September3,122.110.003,326.13
October3,211.140.003,325.79
November3,302.063,280.963,328.53
December3,307.233,286.823,332.88

Download

Daily levels as CSV (13,392 rows; credit the original agencies listed below)