Ochlockonee River (Leon County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 30°30'24", Longitude 84°24'15"

Period of record: 9 sampling dates; April 6, 1999 to December 27, 1999

Surface area : No data available.

Lake Region (Griffith et al. 1997): Tifton/Tallahassee Uplands

Geologic formation (Brooks 1981):

The geology is dominated by clayey sand and clay with sandy to clayey limestone of the Hawthorne Formation.

Physiographic region (Brooks 1981):

The water body lies in the Tallahassee Red Hills subdivision of the State Line Hills division of the Ocala Uplift District.

 

Supplemental, unpublished water chemistry data, University of Florida.

Numbers reported below are the average for 1 month sampled:

pH

7.1

Total alkalinity (mg/L as CaCO3)

22.0

Conductance (µS/cm @ 25 °C)

125

Color (Pt-Co units)

83

Chloride (mg/L)

20.0

 

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 9 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

115

144

183

Long-term total nitrogen concentrations (µg/L)

640

890

1480

Long-term total chlorophyll concentrations (µg/L)

1.3

5.2

20.7

Long-term Secchi depth (ft)

2.0

2.8

3.5

1999 Florida LAKEWATCH Data

Numbers reported below are monthly averages calculated from 3 stations for total phosphorus (TP, µg/L), total nitrogen (TN, µg/L), chlorophyll (CHL, µg/L) and Secchi depth (SECCHI, ft) during 1999:

Date

TP (µg/L)

TN (µg/L)

CHL (µg/L)

SECCHI (ft

Apr-06-99

136

870

4.0

2.6

May-20-99

121

690

7.3

.

Jun-18-99

115

650

20.7

3.3

Jul-22-99

154

890

2.3

2.0

Aug-14-99

183

800

2.7

2.7

Sep-28-99

138

1480

2.3

3.5

Oct-25-99

171

1100

1.3

3.0

Nov-23-99

137

640

3.0

.

Dec-27-99

.

.

3.0

2.5

 

 

 

 

 

1999 Average

144

890

5.2

2.8

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