Broken Bow Lake Water Level & Hydrology

Historical elevation trends, inflow, discharge release rates, and benchmark flood comparisons.

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Current Elevation
598.87 ft MSL
-0.63 ft vs normal pool
Dam Release (Outflow)
967 cfs
Controlled spillway / hydro discharge
Reservoir Inflow
880 cfs
Upstream basin river drainage
Normal Conservation Pool
599.5 ft
Flood pool: 627.5 ft

What Today's Water Level (598.9 ft) Means

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Boat Ramps & Navigation

At 598.9 ft MSL, main public concrete ramps remain fully functional with sufficient trailer draft. Boaters should exercise standard vigilance around shallow sandbars when straying outside marked navigation channels.

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Private Docks & Shorelines

Water line is situated 0.6 ft below normal conservation pool. Floating docks and gangways are operating at optimal gangway slope without mud grounding.

Reservoir Pool Benchmarks & Historical Records

Pool Benchmark Elevation (ft MSL) Difference from Current Notes / Historical Significance
Current Level (Today) 598.87 ft — Live observation from USACE Tulsa District
Normal Conservation Pool 599.50 ft -0.63 ft Target design storage pool for recreation & water supply
Flood Control Pool (Top of Gates) 627.50 ft 28.63 ft remaining capacity Water above this stage triggers emergency spillway discharge
Record Historical High 629.80 ft 30.93 ft above current Recorded on 2015-05-18
Record Historical Low 582.10 ft 16.77 ft above record Recorded on 1981-12-05

30-Day Daily Water Level History

Official daily snapshots from USACE Tulsa District

30 Observations
Date Elevation (ft MSL) Daily Change Inflow (cfs) Release / Outflow (cfs) Water Temp
2026-09-18 598.87 ft -0.01 ft 880 967 72.4°F
2026-09-17 598.88 ft +0.01 ft 810 909 72.3°F
2026-09-16 598.87 ft -0.01 ft 864 844 71.9°F
2026-09-15 598.88 ft -0.03 ft 734 944 71.9°F
2026-09-14 598.91 ft -0.01 ft 704 890 72.3°F
2026-09-13 598.92 ft +0.03 ft 925 894 72.2°F
2026-09-12 598.89 ft +0.02 ft 788 891 71.3°F
2026-09-11 598.87 ft -0.03 ft 834 919 70.6°F
2026-09-10 598.90 ft -0.07 ft 692 906 71.1°F
2026-09-09 598.97 ft -0.04 ft 789 845 72.2°F
2026-09-08 599.01 ft +0.01 ft 931 974 72.7°F
2026-09-07 599.00 ft +0.02 ft 748 871 72.3°F
2026-09-06 598.98 ft -0.01 ft 807 840 71.7°F
2026-09-05 598.99 ft -0.03 ft 693 1,017 71.8°F
2026-09-04 599.02 ft 0.00 ft 876 814 72.1°F
2026-09-03 599.02 ft +0.03 ft 888 880 71.7°F
2026-09-02 598.99 ft -0.01 ft 710 1,016 71°F
2026-09-01 599.00 ft -0.05 ft 800 774 70.8°F
2026-08-31 599.05 ft -0.07 ft 729 938 71.7°F
2026-08-30 599.12 ft -0.01 ft 931 972 72.7°F
2026-08-29 599.13 ft +0.03 ft 808 780 72.8°F
2026-08-28 599.10 ft +0.02 ft 698 973 72°F
2026-08-27 599.08 ft -0.03 ft 817 916 71.4°F
2026-08-26 599.11 ft -0.02 ft 776 826 71.6°F
2026-08-25 599.13 ft +0.01 ft 938 962 71.9°F
2026-08-24 599.12 ft +0.01 ft 720 886 71.5°F
2026-08-23 599.11 ft -0.03 ft 727 880 71°F
2026-08-22 599.14 ft -0.06 ft 845 913 71.3°F
2026-08-21 599.20 ft -0.05 ft 811 903 72.4°F
2026-08-20 599.25 ft +0.02 ft 899 904 73°F
2026-08-19 599.23 ft — 658 862 72.5°F