Fontenelle Reservoir Water Level

2026-09-23: 6,498.38 ft — the 35th-lowest elevation for this calendar date in 61 years of daily record.

Elevation
6,498.38 ft
−0.3 ft in 7 d
Vs. one year ago
+5.34 ft
same date last year
Vs. yesterday
−0.04 ft
24-hour change
Net flow (inflow − release)
−120 cfs
584 cfs in · 705 cfs out · 2026-09-23
Storage
276 kaf
as of 2026-09-23

Last five years

6,470 6,480 6,490 6,500 20222023202420252026
Daily pool elevation, U.S. Bureau of Reclamation Upper Colorado hydrodata.

Full record, 1965–present

6,440 6,460 6,480 6,500 19661974198219901998200620142022
Monthly mean pool elevation, computed from USBR daily values.

Records

DefinitionElevation (ft)Date
full-series daily min6,418.481967-07-27
full-series daily max6,508.851975-07-21
since-2000 daily min6,463.572011-06-07
since-2000 daily max6,506.722014-07-25

Recent water years

Water yearMin (ft)Min dateMax (ft)Max dateMean (ft)
20266,478.442026-05-126,500.432026-08-086,487.84
20256,471.372025-03-236,500.292025-07-146,486.35
20246,467.772024-03-316,500.492024-06-196,487.75
20236,467.672023-04-146,503.982023-08-126,489.46
20226,477.072022-03-236,504.952022-07-226,489.79
20216,472.012021-04-016,495.272021-07-086,484.77
20206,473.522020-03-176,504.22020-07-186,489.59
20196,4642019-04-036,502.792019-08-086,485.97
20186,469.222018-03-226,504.222018-07-246,488.62
20176,467.632017-05-076,505.932017-07-236,488.45
20166,474.652016-04-036,504.612016-06-166,488.74
20156,483.072015-04-246,505.542015-06-186,495.34
20146,468.622014-04-106,506.722014-07-256,487.6
20136,472.12013-05-076,494.962012-10-016,484.47
20126,467.882012-03-156,503.962012-07-296,489.21
20116,463.572011-06-076,502.842011-08-166,485.82
20106,468.162010-04-096,504.512010-08-066,486.43
20096,467.362009-04-096,505.662009-07-276,487.23
20086,464.952008-04-086,505.692008-07-086,481.65
20076,469.732007-03-126,491.752006-10-016,482.57
20066,472.752006-03-306,500.562006-07-196,487.44
20056,473.262005-03-126,499.452005-08-056,489.39
20046,475.822004-03-186,505.22004-07-206,489.73
20036,468.932003-05-246,498.462003-08-036,488.25
20026,472.92002-03-216,496.682002-08-056,481.68

Data: U.S. Bureau of Reclamation Upper Colorado hydrodata, refreshed nightly; records computed from the full daily series with explicit definitions — methodology. Part of Colorado River system.