Crescent 2 (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°56'10", Longitude 81°40'40"
Period of record: 17 sampling dates; June 21, 1998 to December 22, 1999
Surface area (Shafer et al. 1986): 74 acres / 30 hectacres
Lake Region (Griffith et al. 1997): Mount Dora 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 Central Lakes division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
7.7 |
Total alkalinity (mg/L as CaCO3) |
30.0 |
|
Conductance (µS/cm @ 25 °C) |
292 |
Color (Pt-Co units) |
17 |
|
Chloride (mg/L) |
37.0 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 17 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
10 |
13 |
17 |
|
Long-term total nitrogen concentrations (µg/L) |
570 |
630 |
690 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.7 |
4.8 |
7.3 |
|
Long-term Secchi depth (ft) |
6.6 |
9.3 |
10.5 |
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 |
|
Jan-10-99 |
16 |
680 |
3.3 |
10.5 |
|
Feb-20-99 |
17 |
610 |
7.0 |
9.5 |
|
Mar-20-99 |
15 |
650 |
4.0 |
10.2 |
|
Apr-26-99 |
11 |
690 |
2.7 |
7.5 |
|
May-22-99 |
15 |
680 |
4.3 |
10.1 |
|
Jun-24-99 |
13 |
630 |
6.3 |
9.3 |
|
Jul-24-99 |
11 |
640 |
2.7 |
9.0 |
|
Aug-22-99 |
13 |
620 |
6.3 |
9.2 |
|
Sep-29-99 |
14 |
680 |
3.7 |
9.5 |
|
Nov-09-99 |
15 |
590 |
5.3 |
6.6 |
|
Dec-22-99 |
17 |
640 |
5.0 |
8.8 |
|
|
|
|
|
|
|
1999 Average |
14 |
650 |
4.6 |
9.1 |