Blue (Putnam County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°30'42", Longitude 82°2'21"
Period of record: 65 sampling dates; March 11, 1989 to November 7, 1999
Surface area (Shafer et al. 1986): 10 acres / 4 hectacres
Lake Region (Griffith et al. 1997): Trail Ridge
Geologic formation (Brooks 1981):
The geology is dominated by deeply weathered clayey sand and granular sand of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the St. John’s Offset division of the Central Lake District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 65 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
1 |
5 |
11 |
|
Long-term total nitrogen concentrations (µg/L) |
50 |
150 |
270 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
1.6 |
6.3 |
|
Long-term Secchi depth (ft) |
5.6 |
10.4 |
16.8 |
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 |
|
Nov-07-99 |
. |
. |
2.7 |
9.0 |
|
|
|
|
|
|
|
1999 Average |
. |
. |
2.7 |
9.0 |