| 712.0 | Top of dam and dike. | | 710.0 | Top of Dam | | 693.0 | U.S. Highway 36 road surface under water. Old US 36 flooded. Access roads to Parkwood Hills, Hartmans and Knollwood subdivisions and several county roads flooded. Access to at least 40 trailers and 3 homes blocked by high water. | | 690.0 | Flood Pool - Spillway Crest. Lake covers 3,910 acres and extends for 15.5 miles. There is a 10% annual chance of occurrence of this level. | | 685.0 | Crooks-Byers subdivisions access road flooded. Corps picnic area under water. | | 684.0 | Knollwood access road under water. Trailers in Nevins Camp flooded. | | 683.0 | Trailer in Hartmans Camp flooded. Calvert Picnic Shelter at Portland Mills inundated. | | 681.0 | Water at toe of dike. | | 680.0 | Raccoon State Recreation Area Beach House flooded. | | 678.0 | Walker Boat Ramp flooded. | | 677.0 | Hollandsburg and Mansfield ramps closed. Stored Emergency Gate under water. There is a 20% annual chance of occurrence of this level. | | 675.0 | Hollandsburg Ramp flooded. Portland Mills Ramp closed. Jib Crane boom is under water. | | 669.0 | Mansfield and Portland Mills ramps flooded. Raccoon State Recreation Area beach, marine, and beach picnic shelter flooded. | | 664.0 | Back platform of tower is under water. | | 662.0 | Summer Pool Elevation. Lake covers 2,060 acres and extends 10.3 miles. There is a 100% annual chance of occurrence of this level. | | 660.0 | West Rental Docks at Raccoon State Recreation Area inoperable. | | 659.0 | Diving Platform at Racoon State Recreation Area is inoperable. Portland Mills Rental Boat ties inoperable. | | 658.0 | Portland Mills ramp inoperable. Gas Service Dock at Raccoon State Recreational Area inoperable. | | 657.5 | Rental Boat Ties at Raccoon State Recreational Area inoperable. | | 656.0 | Beach at Raccoon State Recreational Area inoperable. | | 655.0 | East Rental Docks at Raccoon State Recreational Area are inoperable between 653 and 655 pool elevation. | | 647.0 | Walker Boat Ramp is inoperable between 646 and 647 pool elevation. | | 646.0 | Mansfield and Hollandsburg Boat Ramps are inoperable between 644 and 646 pool elevation. | | 640.0 | Winter Pool Elevation. Lake covers only 1,100 acres and extends 6.7 miles. |
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1) 689.90 ft on 05/14/2002
2) 687.55 ft on 06/11/2008
3) 684.90 ft on 05/16/1996
4) 683.50 ft on 12/14/1985
5) 681.00 ft on 11/30/1992
6) 680.70 ft on 09/19/1989
7) 678.40 ft on 06/25/1998
8) 677.90 ft on 01/18/2005
9) 676.50 ft on 10/31/2001
10) 676.50 ft on 09/08/2003
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1) 636.40 ft on 01/05/1998
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