Gauge Description:

The gauge is on the TVA phone reading for Great Falls Dam.
1-800-238-2264, press 4 (Release Schedule), then press 36 (for Great Falls Dam).

TVA River Information by Phone.

TVA Great Falls Dam Release Info.

2000 cfs might be a minimum.
3800 cfs is the usuall full release.
Above 4000 cfs its a REALLY BIG hole.
When Center Hill is low 'Brave Wave" forms below, surfable from 3200 to 15,000.
Waterfalls run between 4200 and 6500 - big holes form higher.
Has been run up to 16,000

TVA Center Hill Reservior Levels. Look for a level of 650 or less.