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

Warm Springs Reservoir water level history

Daily records since 1990 · Level today: 3,343.49 ft

Highest on record
3,406.35 ft
May 19, 2011
Lowest on record
0.00 ft
Aug 17, 2002
Today
3,343.49 ft
Oct 21, 2026
Years of data
37
since 1990

In short

Across 36 complete years, 2002 had the lowest average level (3,331.38 ft) and 2024 the highest (3,391.85 ft).

On average the lake is lowest in October (3,352.85 ft) and highest in May (3,387.12 ft).

Warm Springs 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 (290 days)3,373.873,342.72Sep 303,391.37Apr 28
20253,390.483,377.08Sep 293,405.75May 18
20243,391.853,379.85Oct 53,405.95May 3
20233,380.843,344.14Jan 13,405.97May 31
20223,344.173,326.36Oct 83,360.65May 11
20213,357.333,326.95Sep 33,380.51Apr 23
20203,382.513,365.64Oct 33,396.62Apr 19
20193,381.703,346.66Jan 13,405.98Jun 6
20183,368.693,327.78Sep 283,394.99Apr 19
20173,385.203,346.14Jan 13,406.12May 29
20163,360.403,329.30Sep 243,388.50Apr 26
20153,347.393,326.75Sep 63,369.85Apr 16
20143,348.543,326.75Sep 183,372.04Apr 27
20133,358.863,327.32Aug 303,384.76Apr 13
20123,384.433,366.00Oct 103,402.12May 9
20113,389.633,359.63Jan 13,406.35May 19
20103,363.643,345.24Jan 23,383.57Jun 15
20093,350.903,327.27Sep 93,368.67Apr 26
20083,356.983,335.91Sep 243,378.06Jun 8
20073,364.683,327.17Sep 133,391.51Apr 13
20063,388.223,364.24Jan 13,405.56May 24
20053,362.513,347.70Oct 43,385.93May 29
20043,350.741,690.17Apr 133,381.51Apr 24
20033,344.091,679.94Jun 253,371.77May 3
20023,331.380.00Aug 173,376.51Apr 23
20013,355.853,327.20Aug 303,381.07Apr 22
20003,382.513,361.75Oct 133,403.97Apr 30
19993,391.563,378.64Oct 153,405.95Jun 6
19983,391.113,327.00Dec 83,406.02Jun 12
19973,391.513,378.36Oct 173,405.39May 20
19963,388.763,375.86Oct 183,404.94May 30
19953,379.563,344.80Jan 13,400.65May 21
19943,362.663,327.00Sep 43,389.83Apr 7
19933,382.583,344.19Jan 13,405.90Jun 14
19923,340.893,326.49Sep 133,360.71Apr 8
19913,344.003,326.96Sep 283,358.73Apr 20
19903,359.863,327.30Sep 263,384.80Apr 5

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

Monthly averages

MonthAverageLowestHighest
January3,365.043,344.143,395.09
February3,369.293,345.743,394.94
March3,376.313,348.283,402.38
April3,384.001,690.173,405.93
May3,387.123,343.343,406.35
June3,382.241,679.943,406.03
July3,374.883,327.303,405.43
August3,355.500.003,400.48
September3,353.073,326.433,391.56
October3,352.853,326.363,386.05
November3,357.793,333.363,387.13
December3,361.033,327.003,388.67

Download

Daily levels as CSV (13,374 rows; credit the original agencies listed below)