|
|
|
Grayson Lake
Time of last update: 0631 EST 16 MAY 2012 | (606) 474-5815 or 474-5107 | Fax: (606) 474-2089 | 50 Launch Ramp Road | Grayson, KY 41143-9612 | | DISCLAIMER | Grayson Lake Data Sheets | Weather | LRH Grayson Lake Information Page | Little Sandy Basin Overview | |
| Current Pool: | 645.52 (ft) | at 0530 |
| Summer Pool: | 645.00 | |
| Winter Pool: | 637.00 | |
| Alert Pool: | 665.00 | |
| Record Pool: | 671.41 | (6 March 1997 ) |
| Spillway Crest: | 681.00 | |
| Top of Dam: | 710.00 |
| Outflow Discharge Controls | ||||
|---|---|---|---|---|
| Current Outflow as of 0530 was 343.87
(cfs) Stage as of 0530 was 8.64 (ft) (affected by backwater during a run-off event) |
||||
| Summer (April 16 - Nov 30) | Winter (Dec 1 - April 15) | |||
| Stage (ft) | Flow (cfs) | Stage (ft) | Flow (cfs) | |
| Minimum: | 6.08 | 25.0 | 5.55 | 10.0 |
| Maximum w/o Directive: | 11.70 | 900.4 | 12.80 | 1130.4 |
| Maximum w/ Directive: | 17.50 | 2350.0 | 18.50 | 2677.0 |
| Downstream Controls | |||||||
|---|---|---|---|---|---|---|---|
| Current Conditions |
Summer Controls |
Winter Controls |
Flow Time |
||||
| Station | Stage (ft) | Flow (cfs) | Stage (ft) | Flow (cfs) | Stage (ft) | Flow (cfs) | (hrs) |
| Leon at 0500 | 6.17 | 429.36 | 15.00 | 3302.5 | 16.00 | 3667.0 | 1.3 |
| Town of Grayson at 0500 | 7.03 | 476.67 | 16.00 | 4100.0 | 18.00 | 5240.0 | 4.0 |
| Greenup at 0631 | 23.60 | --- | 54.00 | --- | 54.00 | --- | 48.0 |
| Grayson Impact Elevations |
|---|
| 634.00: MINIMUM POOL |
| 637.00: WINTER POOL |
| Below 640.00: Camp Webb boat dock, fishing dock and swimming dock unusable |
| 645.00: SUMMER POOL |
| Above 646.00: Camp Webb swimming docks flooded. |
| Above 646.30: Launch Ramp at dam - courtesy docks flooded; Camp Webb boat dock flooded. |
| Above 647.00: Camp Webb- No shallow water lessons for nonswimmers. |
| Above 648.00: Marina concession walkway flooded. |
| Above 650.00: Caney Creek Launch Ramp and Camp Webb fishing docks flooded. |
| Above 652.30: Access Road to Shelter #3 begins to flood at dam site. |
| Above 652.39: Edge of lowest point on access road to Camp Webb(near 1496). |
| Above 652.50: Hand rails on courtesy dock at dam under water. |
| Above 655.00: Access Road to Camp Webb flooded. |
| Above 657.34: Access Road at Spillway Entrance begins to flood; Impacts evacuation from marina. |
| Above 660.00: Camp Webb shelter fish dock flooded. |
| Above 660.06: Camp Webb Hunter safety building begins to flood (building is movable). |
|
Above 661.00: Base of marina building begins to flood; Access road to launch ramp at dam site under water at gate closure at base of hill from office. |
| 665.00: ALERT POOL |
| 681.00: EMERGENCY SPILLWAY |
| OUTFLOW AREA |
| 587.31: Trout Stocking Elevation |
| Above 596.00: Lowland section of Nature Trail flooded. |
| Red indicates current conditions |
| Orange indicates pool within 1' of the impacting elevation |
