Trinity Lake Water Level

2026-07-31: 2,333.8 ft — the 27th-lowest elevation for this calendar date in 62 years of daily record.

Elevation
2,333.8 ft
−1.7 ft in 7 d
Vs. one year ago
−12.85 ft
same date last year
Vs. yesterday
−0.16 ft
24-hour change
Net flow (inflow − release)
−1,004 cfs
404 cfs in · 1,408 cfs out · 2026-07-31
Storage
1.90 maf
as of 2026-07-31

Last five years

2,200 2,250 2,300 2,350 20222023202420252026
Daily pool elevation, California Data Exchange Center (CDEC).

Full record, 1962–present

2,200 2,300 19631971197919881996200420122020
Monthly mean pool elevation, computed from CDEC daily values.

Records

DefinitionElevation (ft)Date
full-series daily min2,120.21977-11-09
full-series daily max2,397.761985-10-17
since-2000 daily min2,179.142015-12-08
since-2000 daily max2,369.82006-05-18

Recent water years

Water yearMin (ft)Min dateMax (ft)Max dateMean (ft)
20262,321.572025-11-032,357.472026-04-222,341.54
20252,311.432024-11-112,358.972025-06-072,338.4
20242,277.12023-11-142,349.122024-05-292,317.65
20232,188.492022-12-222,297.342023-07-062,243.78
20222,194.112022-09-302,284.692021-12-212,218.95
20212,218.672021-09-302,290.372020-10-012,273.93
20202,290.612020-09-302,343.682019-10-012,329.93
20192,298.462018-11-262,366.952019-06-042,331.83
20182,303.112018-09-302,336.462018-04-162,323.54
20172,250.032016-10-132,365.072017-05-092,319.66
20162,179.142015-12-082,302.762016-05-052,243.48
20152,192.852015-09-302,276.362015-04-182,236.59
20142,202.782014-09-302,286.782014-04-032,265.6
20132,2862013-09-302,350.962013-04-212,327.95
20122,326.622012-09-302,364.012012-05-042,345.25
20112,301.182010-10-222,368.692011-07-062,339.97
20102,242.782009-12-142,324.612010-07-112,283.1
20092,245.752009-09-302,285.012009-06-062,266.08
20082,269.832008-09-302,317.472008-05-052,299.37
20072,299.912007-09-302,345.782007-04-282,327.35
20062,322.92005-12-172,369.82006-05-182,343.97
20052,295.972004-11-032,351.052005-06-302,324.73
20042,310.592004-09-302,358.882004-05-122,335.88
20032,293.62002-12-122,367.612003-06-122,334.31
20022,284.862001-11-112,344.322002-04-302,316.39

Data: California Data Exchange Center (CDEC), refreshed nightly; records computed from the full daily series with explicit definitions — methodology. Part of California.