Little Mary (Seminole County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°44'54", Longitude 81°18'54"
Period of record: 47 sampling dates; September 2, 1991 to November 29, 1999
Surface area : No data available.
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 47 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
6 |
10 |
16 |
|
Long-term total nitrogen concentrations (µg/L) |
350 |
580 |
790 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
3.3 |
7.3 |
|
Long-term Secchi depth (ft) |
7.5 |
11.0 |
15.0 |
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-27-99 |
7 |
480 |
2.3 |
13.9 |
|
Feb-26-99 |
8 |
490 |
3.0 |
11.8 |
|
Apr-01-99 |
9 |
600 |
2.3 |
10.5 |
|
Apr-28-99 |
10 |
650 |
2.3 |
10.9 |
|
May-31-99 |
15 |
730 |
4.0 |
8.7 |
|
Jun-28-99 |
16 |
790 |
4.7 |
8.4 |
|
Aug-04-99 |
11 |
750 |
3.3 |
10.3 |
|
Aug-26-99 |
11 |
660 |
2.3 |
11.3 |
|
Sep-27-99 |
11 |
660 |
3.7 |
11.3 |
|
Oct-31-99 |
8 |
570 |
3.0 |
10.5 |
|
Nov-29-99 |
10 |
630 |
3.0 |
12.3 |
|
|
|
|
|
|
|
1999 Average |
10 |
640 |
3.1 |
10.9 |