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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