Elizabeth (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°9'26", Longitude 82°34'22"
Period of record: 30 sampling dates; October 5, 1994 to December 19, 1999
Surface area (Shafer et al. 1986): 22 acres / 9 hectacres
Lake Region (Griffith et al. 1997): Keystone Lakes
Geologic formation (Brooks 1981):
The geology is dominated by argillaceous to sandy impure limestone of the Tampa Formation.
Physiographic region (Brooks 1981):
The water body lies in the Land-O-Lakes subdivision of the Tampa Plain division of the Ocala Uplift District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 30 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
9 |
17 |
41 |
|
Long-term total nitrogen concentrations (µg/L) |
540 |
680 |
930 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.0 |
6.7 |
15.0 |
|
Long-term Secchi depth (ft) |
4.0 |
6.9 |
10.3 |
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-30-99 |
16 |
670 |
4.7 |
7.0 |
|
Feb-28-99 |
16 |
540 |
5.0 |
6.3 |
|
Mar-28-99 |
14 |
650 |
2.3 |
9.3 |
|
Apr-25-99 |
13 |
590 |
2.0 |
10.2 |
|
May-28-99 |
12 |
610 |
4.0 |
9.0 |
|
Jun-15-99 |
12 |
540 |
7.0 |
7.0 |
|
Jul-15-99 |
12 |
770 |
6.0 |
5.8 |
|
Aug-28-99 |
9 |
730 |
5.0 |
8.0 |
|
Sep-18-99 |
13 |
930 |
9.0 |
6.5 |
|
Oct-23-99 |
13 |
730 |
7.0 |
7.0 |
|
Nov-28-99 |
16 |
640 |
6.0 |
7.0 |
|
Dec-19-99 |
16 |
670 |
6.7 |
5.3 |
|
|
|
|
|
|
|
1999 Average |
14 |
670 |
5.4 |
7.4 |