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Table 2 

2002 Lake Water Quality Report

Summary of chemical data for City of Orlando lakes during 2002.  Lakes in which minimum and maximum values occurred are indicated.

2002 Water Quality Report, "Chemical Characteristics"     Table of Contents

Parameter Minimum   Median   Maximum
Value   Value   Value
pH 5.80 Red 7.83 9.37 Angel
Biochemical Oxygen Demand (mg/l) 1.5 * 3.2 14.4 Angel
Alkalinity (mg/l as CaCO3) 1.2 Farrar 44.1 133.0 Kozart
Total Phosphorus (mg/l) <0.005 Nona 0.034 0.333 Fairhope
 
Ortho Phosphorus (mg/l) <0.002 Fairview 0.002 0.104 Greenwood
Total Nitrogen (mg/l) 0.31 Baldwin 0.75 3.53 Fairhope
Ammonia (mg/l) <0.002 Nona 0.010 0.436 Como
Nitrate Nitrogen (mg/l) <0.01 * 0.01 0.89 Farrar
Nitrite Nitrogen (mg/l) <0.005 * <0.005 0.038 Como
Total Kjeldahl Nitrogen (mg/l) 0.31 Baldwin 0.78 3.53 Fairhope
Total Suspended Solids (mg/l) <1.0 * 3.5 90.0 Angel
Volatile Suspended Solids (mg/l) <1.0 * 3.5 90.0 Angel
Total Dissolved Solids (mg/l) 54 Kelly 128 288 Sandy
Chlorophyll-a (mg/m³) <0.5 * 15.8 97.5 Fairhope
Conductivity (umhos @ 25°C) 71 Kelly 196 474 Sandy
Secchi Depth (m) 0.3 * 1.0 4.6 Shannon
               
*- Multiple lakes had this value

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