Kissimmee Watershed Environmental Conditions – 10/20/09:

Upper Kissimmee Basin

·         Over the past week the Upper Kissimmee Basin received 0.2 inch of rainfall and the Lower Kissimmee Basin received 0.1 inch.  For the month, rainfall was 48% and 17% of normal in the Uppper and Lower Basins, respectively.  Total rainfall in the last 30 days was 3.3 inches in the Upper Basin (81% of normal) and 2.0 inches in the Lower Basin (52% of normal) (SFWMD Daily Rainfall Report 10/20/2009).

·         Lakes in the Kissimmee Chain are within 0.6 ft of their regulation schedules (USACE Kissimmee River Report 10/19/09 and/or SFWMD OASyS DualTrend or LOGGERNET).

·         Lakes Hart and Mary Jane are 0.4 ft below regulation schedule.

·         Lakes in the Alligator Chain are 0.6 ft below regulation schedule.

·         Lake Gentry is 0.2 ft below regulation schedule.

·         East Lake Tohopekaliga is 0.4 ft below regulation schedule.

·         Lake Tohopekaliga is 0.1 ft below regulation schedule; discharge at S61 is 0 cfs.

·         Lakes Hatchineha and Cypress are 0.6 ft below regulation schedule.

·         Lake Kissimmee is ­­­­­approximately 0.2 ft below regulation schedule.  

·         Discharge at Lake Kissimmee (S65) is 263 cfs.

 

Lower Kissimmee Basin (SFWMD OASyS Dual Trend or LOGGERNET 10/20/2009)

·         Discharge at S65-A is 252 cfs.

·         Discharge at S65-C is 341 cfs with headwater stage at approximately 35.7 ft.

·         Discharge at S65-D is 368 cfs.

·         Discharge to Lake Okeechobee at S65-E is 297 cfs.

·         Water depths continue to recede in the Phase I restoration area floodplain of the Kissimmee River, averaging 0.9 ft  (SFWDAT 10/18/2009). SFWDAT depth and difference maps are attached.

·         River channel dissolved oxygen (DO) concentrations in the Phase I area averaged 3.8 mg/L over the past week, well above the level of concern.

·         The Vegetation Management Division will be treating water lettuce and water hyacinth this week in river channels in Pools D and E; a contractor will be conducting aerial treatments in the Pool BC floodplain and river channel.

·         Phase IVB backfilling for the Kissimmee River Restoration Project in upper Pool BC is approximately 90% finished, with completion anticipated by February 2010.

 

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