Christina (Pasco County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°18'46", Longitude 82°40'38"
Period of record: 79 sampling dates; June 16, 1990 to December 30, 1999
Surface area : No data available.
Lake Region (Griffith et al. 1997): Weeki Wachee Hills
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 79 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
8 |
36 |
111 |
|
Long-term total nitrogen concentrations (µg/L) |
260 |
520 |
1010 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
16.4 |
90.0 |
|
Long-term Secchi depth (ft) |
1.5 |
5.7 |
11.0 |
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-09-99 |
23 |
460 |
9.7 |
4.3 |
|
Feb-10-99 |
20 |
460 |
4.3 |
6.3 |
|
Mar-07-99 |
19 |
350 |
3.3 |
6.2 |
|
Apr-10-99 |
30 |
450 |
5.7 |
4.5 |
|
May-14-99 |
27 |
480 |
4.7 |
. |
|
Jun-14-99 |
37 |
580 |
7.0 |
4.5 |
|
Jul-16-99 |
37 |
560 |
11.0 |
4.5 |
|
Aug-21-99 |
32 |
530 |
5.3 |
5.2 |
|
Sep-18-99 |
34 |
510 |
5.7 |
5.0 |
|
Oct-23-99 |
26 |
430 |
5.3 |
6.0 |
|
Nov-20-99 |
22 |
390 |
3.7 |
7.2 |
|
Dec-30-99 |
27 |
480 |
1.3 |
8.0 |
|
|
|
|
|
|
|
1999 Average |
28 |
480 |
5.6 |
5.6 |