Emma (Seminole County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°45'38", Longitude 81°21'4"
Period of record: 4 sampling dates; October 19, 1991 to January 20, 1992
Surface area (Shafer et al. 1986): 49 acres / 20 hectacres
Lake Region (Griffith et al. 1997): Crescent City/DeLand Ridges
Geologic formation (Brooks 1981):
The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Casselberry-Oviedo-Geneva-Chuluota Hills division of the Central Lake District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 4 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
7 |
8 |
8 |
|
Long-term total nitrogen concentrations (µg/L) |
930 |
1000 |
1080 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
2.8 |
5.3 |
|
Long-term Secchi depth (ft) |
. |
. |
. |
Florida LAKEWATCH data were not collected in 1999.