Click on banner for Stormwater Utility Welcome Page

Table

2003 Lake Water Quality Report

Summary of chemical data for City of Orlando lakes during 2003.  Lakes in which minimum and maximum values occurred are indicated.

2003 Water Quality Report, "Chemical Characteristics"     Table of Contents

Parameter Minimum   Median   Maximum
Value   Value   Value
pH 5.1 Nona 7.8 9.7 Pineloch
Biochemical Oxygen Demand (mg/l) 1.4 Hiawassee 3.8   12.4 Wade
Alkalinity (mg/l as CaCO3) 3.0 Nona 45.9 128.0 Kozart
Total Phosphorus (mg/l) <0.010

*

0.038 .0250 Fairhope
 
Ortho Phosphorus (mg/l) <0.002

*

0.004 0.061 Sandy
Total Nitrogen (mg/l) 0.25 Shannon 0.87 3.33 Angel
Ammonia (mg/l) <0.001

*

0.02 0.50 Lake of the Woods
Nitrate Nitrogen (mg/l) <0.002

*

0.026 0.908 Farrar
Nitrite Nitrogen (mg/l) <0.002

*

<0.003 0.100 Gem Mary
Total Kjeldahl Nitrogen (mg/l) 0.25 Shannon 0.85 3.32 Angel
Total Suspended Solids (mg/l) 0.5

*

4.9 37.0 Angel
Volatile Suspended Solids (mg/l) <1.0

*

4.3 37.0 Angel
Total Dissolved Solids (mg/l) 16 Richmond 122 276 Santiago
Chlorophyll-a (mg/m³) <0.5 Barton 15.0 95.9 Angel
Conductivity (umhos @ 25°C) 79 Nona 185 414 Sandy
Secchi Depth (m) 0.2 Lake of the Woods 1.3 4.9 Susannah
               
*- Multiple lakes had this value

(Return to top)