Lake Okeechobee Conditions Report July 31, 2007:

 

According to the USACE web site, Lake Okeechobee stage is 9.19’ NGVD today which is 0.10’ higher than it was a week ago and 0.33’ higher than it was a month ago. Surface inflows are 3249 cfs. and surface outflows are not reported due to missing S77 and S308 data.

 

This month’s water quality sampling was limited to 4 pelagic sites and 3 near shore sites. At the 4 pelagic sites Total Phosphorus concentrations averaged 142 ppb and Total Suspended Solids averaged 51 mg L-1.  These levels are lower than last months values of 216 ppb Total Phosphorus and 82 mg L-1 Total Suspended Solids at these 4 pelagic sites.  The 3 near shore sites were not sampled last month due to low lake levels so no values are available for comparison.

 

 

The monthly algal bloom monitoring was conducted on the 16th of this month and at that time no algal blooms were reported and toxin levels were below the analytical level of detection (0.2 ug L-1).  However, an algal bloom was observed on the north end of the lake extending approximately 2 miles northwest and 2 miles southeast of S191 last week (see attached).  Rainfall induced nutrient rich inflows might stimulate more algal blooms, especially near major lake inflow sites.

 


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