Silver (Seminole County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°45'53", Longitude 81°15'5"
Period of record: 15 sampling dates; January 31, 1998 to December 31, 1999
Surface area (Shafer et al. 1986): 33 acres / 13 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 15 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
10 |
12 |
16 |
|
Long-term total nitrogen concentrations (µg/L) |
340 |
440 |
560 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
3.6 |
6.7 |
|
Long-term Secchi depth (ft) |
6.3 |
10.0 |
13.5 |
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 |
|
Mar-07-99 |
11 |
340 |
2.0 |
12.8 |
|
Apr-18-99 |
10 |
350 |
2.0 |
11.3 |
|
Jun-20-99 |
11 |
520 |
4.0 |
9.3 |
|
Aug-24-99 |
13 |
560 |
3.3 |
10.0 |
|
Oct-24-99 |
15 |
480 |
6.0 |
7.0 |
|
Dec-31-99 |
12 |
480 |
2.5 |
10.7 |
|
|
|
|
|
|
|
1999 Average |
12 |
450 |
3.3 |
10.2 |