Dardanelle Lock & Dam

Water flow is measured in cubic feet per second (cfs). Megawatts (MW) measure electrical output, not water flow. The schedule charts show the planned power output; select an hour for its details.

Total release can include water that does not pass through the turbines. Eddy cannot identify which outlet carries the difference.

Full generation is 50,000 cfs (SWPA). Estimated from flow through the turbines. The actual units running may differ.

Teal bars show scheduled generation. The orange line marks the current time. The peak window names the day’s highest scheduled generation.

Southwestern Power Administration posts schedules each afternoon. Its “hour ending” labels describe the preceding hour; Eddy displays the start of each interval.

Every day uses the same chart scale: 148 MW of scheduling capacity, so different days can be compared.

Times describe the dam. Water arrives downstream later; the delay depends on location. Schedules can change without notice as power demand, inflow, outages and operating needs change.

Check posted warnings and local operating information before entering the water below a dam. No generation scheduled does not mean no water is being released.