Petty Gulf (Leon County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 30°35'24", Longitude 84°13'46"
Period of record: 43 sampling dates; February 27, 1993 to September 30, 1999
Surface area (Shafer et al. 1986): 28 acres / 11 hectacres
Lake Region (Griffith et al. 1997): Tifton/Tallahassee Uplands
Geologic formation (Brooks 1981):
The geology is dominated by granular sand and clayey sand with some clay lenses 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.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 43 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
8 |
28 |
50 |
|
Long-term total nitrogen concentrations (µg/L) |
260 |
500 |
900 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.3 |
17.7 |
49.7 |
|
Long-term Secchi depth (ft) |
2.0 |
4.0 |
8.0 |
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-16-99 |
9 |
280 |
2.7 |
7.0 |
|
May-02-99 |
12 |
270 |
2.3 |
6.2 |
|
May-23-99 |
8 |
260 |
3.7 |
5.0 |
|
Jul-25-99 |
23 |
360 |
10.3 |
4.2 |
|
Aug-31-99 |
30 |
600 |
17.7 |
3.0 |
|
Sep-30-99 |
23 |
580 |
23.7 |
2.8 |
|
|
|
|
|
|
|
1999 Average |
18 |
390 |
10.1 |
4.7 |