Mattie (Polk County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°8'17", Longitude 81°46'51"
Period of record: 8 sampling dates; March 18, 1997 to March 10, 1999
Surface area (Shafer et al. 1986): No data available.
Lake Region (Griffith et al. 1997): Southwestern Flatlands
Geologic formation (Brooks 1981):
The geology is dominated by phosphatic sand, clayey fine sand, and clay of the Bone Valley Formation.
Physiographic region (Brooks 1981):
The water body lies in the Winter Haven Karst division of the Central Lake District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 8 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
83 |
99 |
115 |
|
Long-term total nitrogen concentrations (µg/L) |
950 |
1160 |
1460 |
|
Long-term total chlorophyll concentrations (µg/L) |
9.0 |
21.6 |
33.0 |
|
Long-term Secchi depth (ft) |
0.6 |
1.4 |
2.5 |
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 |
|
Mar-10-99 |
90 |
1080 |
9.0 |
1.5 |
|
|
|
|
|
|
|
1999 Average |
90 |
1080 |
9.0 |
1.5 |