Mystic (Liberty County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 30°22'59", Longitude 84°58'57"

Period of record: 37 sampling dates; October 30, 1996 to December 11, 1999

Surface area (Shafer et al. 1986): 112 acres / 45 hectacres

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

Geologic formation (Brooks 1981):

The geology is dominated by sand, silty sand, and shelly silty sand of the Jackson Bluff Formation.

Physiographic region (Brooks 1981):

The water body lies in the Hosford Delta subdivision of the Paleodelta Relics division of the Apalachicola Delta District.

Supplemental, unpublished water chemistry data, University of Florida.

Numbers reported below are the average for 1 month sampled:

pH

6.8

Sulfate (mg/L)

7.0

Total alkalinity (mg/L as CaCO3)

4.0

Calcium (mg/L)

1.4

Conductance (µS/cm @ 25 °C)

27

Magnesium (mg/L)

0.5

Color (Pt-Co units)

4

Sodium (mg/L)

2.4

Chloride (mg/L)

4.9

Potassium (mg/L)

4.3

Silicon (mg/L)

0.3

 

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 37 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

3

5

10

Long-term total nitrogen concentrations (µg/L)

140

230

330

Long-term total chlorophyll concentrations (µg/L)

1.0

2.3

5.0

Long-term Secchi depth (ft)

7.7

12.3

17.7

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

Jan-09-99

5

250

4.7

11.2

Feb-07-99

3

180

2.0

15.3

Mar-06-99

6

250

4.7

8.7

Apr-10-99

6

280

1.7

14.0

May-15-99

10

240

1.0

13.0

Jun-22-99

4

330

1.0

13.5

Jul-18-99

4

220

1.7

11.3

Aug-21-99

5

210

1.7

14.5

Sep-18-99

7

240

5.0

9.0

Oct-18-99

6

250

1.0

16.0

Nov-13-99

5

260

2.7

14.5

Dec-11-99

5

260

2.0

13.0

 

 

 

 

 

1999 Average

6

250

2.4

12.8

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