sitrep Situation Report of Hydrometeorologic Conditions Jacksonville District (CESAJ-OD-MW) 12 MAY 2021 Data Ending 2400 hours 11 MAY 2021 ******************************************************************************** Kissimmee Basin Lake Regulation Elevation Regulation Departure (ft-NGVD) (ft-NGVD) (feet) Hart & Mary Jane 59.70 59.89 -0.19 East Tohopekaliga 55.35 55.78 -0.43 Tohopekaliga 52.49 52.78 -0.29 Myrtle, Preston, Joel 60.20 60.22 -0.02 Trout, Coon, Center, Lizzie & Alligator 62.47 62.52 -0.05 Gentry Lake Gage = 60.01 S63 = 60.01 60.02 -0.01 Hatchineha, Cypress 50.84 49.68 1.16 Kissimmee 50.73 49.66 1.07 Istokpoga 38.57 38.68 -0.11 ******************************************************************************** Okeechobee Lake Regulation Elev Regulation Departure Last Year (ft-NGVD) (ft-NGVD) (feet) (ft-NGVD) Avg Daily Lk Okeechobee Avg 13.68 10.79 2.89 11.17 Currently in Operational Low Sub-Band Regulation Schedule Bands for 11 MAY 2021 _________________________________________________________ Bottom of High Lake Management Band= 16.43 Bottom of Operational High Sub-Band= 15.84 Bottom of Operational Intermediate Sub-Band= 15.16 Bottom of Operational Low Sub-Band= 13.22 Bottom of Operational Base-Flow Sub-Band= 12.60 Top of Water Shortage Management Band= 10.79 _________________________________________________________ Current volume of water in the Lake is 3,392,600 ac-ft. Lake Okeechobee elevation is 0.32 feet above normal for this time of year, based on todays historical lake average of 13.36 ft-NGVD for the period 1965-07. Herbert Hoover Dike Emergency Action Plan Current Monitoring Plan Condition Level - NORMAL Monitoring Plan Condition Levels - see EAP page A-2 for more details Normal Operations - Lake level below 15.5' Lake Level Inspection Interval, Notes Level 1 - 15.5 to 16.49 7 to 30 day, varies by reach Level 2 - 16.5 to 17.49 1 to 7 day inspections by SFOO, monthly by CESAJ-EN and OD staff Level 3 - > 17.5 daily, SFOO, CESAJ-EN and OD staff ******************************************************************************** WCA-1 Area Regulation Elevation Regulation Departure (ft-NGVD) (ft-NGVD) (feet) Site 1-8C 15.67 15.76 -0.09 Average of Sites 1-7, 1-9, 1-8T 15.91 15.76 0.15 Regulation Zone Elevations A2= 15.76 B= 15.76 C= 14.00 Storage at the current elevation is 159,550 ac-ft. ******************************************************************************** WCA-2A Area Regulation Elevation Regulation Departure (ft-NGVD) (ft-NGVD) (feet) Site 2-17 11.33 11.00 0.33 Site S11B Headwater 10.68 11.00 -0.32 Storage at the current elevation for Site2-17 is 55,100 ac-ft. Storage at the current elevation for S11B HW is -NR- ac-ft. ******************************************************************************** WCA-3A Area Regulation Elevation Regulation Departure (ft-NGVD) (ft-NGVD) (feet) Average of Sites 63, 64, 65 8.87 -NR- -NR- Site 62 - Deer Gage 9.79 11.50 -1.71 S-333 Headwater 7.48 Regulation Zone Elevations B= 9.63 C= -NR- D= -NR- E= -NR- Storage at the current elevation is 314,200 ac-ft. Site 71 elevation in WCA-3B is 7.38 . ******************************************************************************** Upper St. Johns Area Regulation Elevation Regulation Departure (ft-NGVD) (ft-NGVD) (feet) S-251 West at BCWMA -NR- -NR- -NR- S-96 Headwater at SJWMA -NR- -NR- -NR- Blue Cypress Lake at BCMCA -NR- -NR- -NR- S-164 Headwater at Taylor Cr. Reservoir -NR- -NR- -NR- ******************************************************************************** Four River Basins Regulation Elevation Regulation Departure (ft-NGVD) (ft-NGVD) (feet) Floral City Pool -NR- -NR- -NR- Inverness Pool -NR- -NR- -NR- Hernando Pool -NR- -NR- -NR- Lake Apopka -NR- 66.86 -NR- Lake Eustis -NR- 62.66 -NR- Lake Griffin -NR- 58.66 -NR- Lake Tarpon -NR- 2.2-3.2 Lower Hillsborough Flood Detention Area -NR- 30.00 ******************************************************************************** Portugues and Bucana Rivers, Puerto Rico Elevation Regulation Departure (ft-NGVD) (ft-NGVD) (feet) Cerrillos 534.95 573.00 -38.05 ******************************************************************************** Report Generated 12MAY2021 @ 08:15 ** Preliminary Data - Subject to Revision **