Pearl (Seminole County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°39'37", Longitude 81°20'46"
Period of record: 2 sampling dates; September 28, 1999 to November 1, 1999
Surface area : No data available.
Lake Region (Griffith et al. 1997): Orlando Ridge
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.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
4.6 |
Total alkalinity (mg/L as CaCO3) |
0.0 |
|
Conductance (µS/cm @ 25 °C) |
99 |
Color (Pt-Co units) |
23 |
|
Chloride (mg/L) |
16.0 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 2 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
20 |
21 |
23 |
|
Long-term total nitrogen concentrations (µg/L) |
790 |
800 |
810 |
|
Long-term total chlorophyll concentrations (µg/L) |
11.3 |
13.8 |
16.3 |
|
Long-term Secchi depth (ft) |
5.8 |
7.9 |
10.0 |
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 |
|
Sep-28-99 |
23 |
810 |
16.3 |
5.8 |
|
Nov-01-99 |
20 |
790 |
11.3 |
10.0 |
|
|
|
|
|
|
|
1999 Average |
21 |
800 |
13.8 |
7.9 |