Asher (Seminole County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 28°39'34", Longitude 81°26'50"

Period of record: 12 sampling dates; July 23, 1998 to October 11, 1999

Surface area : No data available.

Lake Region (Griffith et al. 1997): Apopka Upland

Geologic formation (Brooks 1981):

The geology is dominated by phosphatic sand, silty sand, and clay of the Hawthorne Formation.

Physiographic region (Brooks 1981):

The water body lies in the Apopka Hills subdivision of the Apopka Upland division of the Central Lake District.

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 12 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

11

20

62

Long-term total nitrogen concentrations (µg/L)

420

620

1420

Long-term total chlorophyll concentrations (µg/L)

2.3

13.4

77.7

Long-term Secchi depth (ft)

4.0

6.0

7.0

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-25-99

12

420

3.7

7.0

Feb-24-99

11

450

2.7

6.7

Apr-26-99

16

560

2.3

6.0

Jun-07-99

16

680

7.3

6.5

Jun-30-99

12

620

8.7

6.8

Aug-10-99

62

1420

77.7

4.0

Oct-11-99

20

530

3.0

6.7

 

 

 

 

 

1999 Average

21

670

15.0

6.2

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