Davis (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°31'54", Longitude 81°22'1"
Period of record: 25 sampling dates; June 20, 1992 to November 13, 1999
Surface area (Shafer et al. 1986): 18 acres / 7 hectacres
Lake Region (Griffith et al. 1997): Orlando Ridge
Geologic formation (Brooks 1981):
The geology is dominated by phosphatic sand, silty sand, and clay of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Orlando Promontory division of the Central Lake District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 25 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
58 |
161 |
303 |
|
Long-term total nitrogen concentrations (µg/L) |
890 |
2130 |
4240 |
|
Long-term total chlorophyll concentrations (µg/L) |
46.3 |
113.9 |
286.7 |
|
Long-term Secchi depth (ft) |
0.5 |
1.3 |
2.8 |
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 |
|
Nov-13-99 |
103 |
890 |
52.0 |
2.8 |
|
|
|
|
|
|
|
1999 Average |
103 |
890 |
52.0 |
2.8 |