Choctawhatchee Bay Middle (Walton County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 30°27'12", Longitude 86°15'54"
Period of record: 14 sampling dates; October 28, 1998 to December 28, 1999
Surface area : No data available.
Lake Region (Griffith et al. 1997): Gulf Coast Lowlands
Geologic formation (Brooks 1981):
The geology is dominated by beach and dune sand with silty sand, silt, and clay of the Biloxi Formation.
Physiographic region (Brooks 1981):
The water body lies in the Coastal Strip division of the Apalachicola Delta District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 14 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
8 |
12 |
16 |
|
Long-term total nitrogen concentrations (µg/L) |
160 |
230 |
310 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.3 |
3.2 |
6.0 |
|
Long-term Secchi depth (ft) |
5.3 |
8.1 |
10.5 |
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 |
|
Jan-21-99 |
11 |
280 |
6.0 |
7.9 |
|
Feb-24-99 |
11 |
260 |
1.3 |
8.3 |
|
Mar-24-99 |
12 |
220 |
1.7 |
8.7 |
|
Apr-16-99 |
13 |
210 |
2.0 |
7.5 |
|
May-28-99 |
8 |
180 |
1.3 |
. |
|
Jun-28-99 |
12 |
200 |
3.7 |
7.7 |
|
Jul-25-99 |
16 |
310 |
2.3 |
6.0 |
|
Aug-30-99 |
14 |
280 |
2.7 |
5.3 |
|
Sep-29-99 |
12 |
210 |
2.3 |
10.5 |
|
Oct-21-99 |
12 |
200 |
2.3 |
8.3 |
|
Nov-24-99 |
15 |
220 |
5.7 |
10.0 |
|
Dec-28-99 |
13 |
240 |
6.0 |
9.7 |
|
|
|
|
|
|
|
1999 Average |
12 |
240 |
3.1 |
8.2 |