Denham (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°46'11", Longitude 81°54'41"
Period of record: 13 sampling dates; July 15, 1998 to July 16, 1999
Surface area (Shafer et al. 1986): 269 acres / 109 hectacres
Lake Region (Griffith et al. 1997): Central Valley
Geologic formation (Brooks 1981):
The geology is dominated by deeply weathered clayey sand and granular sand of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Tsala Apopka Basin division and the Dry Plain subdivision of the Webster Limestone Plains division of the Ocala Uplift District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 13 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
55 |
79 |
100 |
|
Long-term total nitrogen concentrations (µg/L) |
1850 |
2500 |
3500 |
|
Long-term total chlorophyll concentrations (µg/L) |
60.0 |
94.6 |
152.3 |
|
Long-term Secchi depth (ft) |
0.8 |
1.2 |
1.6 |
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-19-99 |
84 |
2390 |
80.7 |
1.3 |
|
Feb-11-99 |
81 |
2330 |
75.0 |
1.3 |
|
Mar-06-99 |
80 |
2490 |
69.3 |
1.5 |
|
Apr-27-99 |
99 |
3500 |
148.0 |
0.8 |
|
May-19-99 |
100 |
3430 |
152.3 |
0.8 |
|
Jun-28-99 |
72 |
3450 |
124.3 |
1.0 |
|
Jul-16-99 |
68 |
3060 |
134.0 |
0.8 |
|
|
|
|
|
|
|
1999 Average |
83 |
2950 |
112.0 |
1.1 |