Hall (Leon County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 30°31'14", Longitude 84°14'52"

Period of record: 86 sampling dates; February 6, 1990 to December 31, 1999

Surface area (LAKEWATCH): 173 acres / 70 hectacres     Back to Bathymetric Map

Lake Region (Griffith et al. 1997): Tifton/Tallahassee Uplands

Geologic formation (Brooks 1981):

The geology is a mixture of two major types dominated by granular sand and clayey sand with some clay lenses of the Hawthorne Formation and gravel, sand and clay of the Citronelle Formation.

Physiographic region (Brooks 1981):

The water body lies in the Tallahassee Red Hills subdivision of the State Line Hills division of the Ocala Uplift District.

Supplemental, unpublished water chemistry data, University of Florida.

Numbers reported below are the average for 1 month sampled:
 
pH
6.8
 Sulfate (mg/L)
3.5
Total alkalinity (mg/L as CaCO3)
3.4
 Calcium (mg/L)
1.9
Conductance (µS/cm @ 25 °C)
26
 Magnesium (mg/L)
0.8
Color (Pt-Co units)
6
 Sodium (mg/L)
2.0
Chloride (mg/L)
5.2
 Potassium (mg/L)
0.2
Silicon (mg/L)
0.1
    

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 86 months sampled:

 
Minimum
Average
Maximum
Long-term total phosphorus concentrations (µg/L)
7
15
43
Long-term total nitrogen concentrations (µg/L)
220
340
670
Long-term total chlorophyll concentrations (µg/L)
1.3
6.3
51.0
Long-term Secchi depth (ft)
10.0
14.8
21.0

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-21-99
11
280
2.0
17.0
Feb-22-99
11
290
2.0
17.0
Mar-11-99
12
450
3.3
14.5
Apr-14-99
11
440
2.0
15.0
May-24-99
11
260
2.0
.
Jun-24-99
12
320
4.0
14.0
Jul-28-99
12
330
3.0
14.0
Aug-23-99
13
320
3.0
12.0
Sep-23-99
13
340
9.3
11.0
Oct-28-99
22
460
11.3
11.5
Nov-15-99
34
540
12.0
11.0
Dec-31-99
14
320
4.0
11.5
         
1999 Average
15
360
4.8
13.5

Hall (Leon County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on July 28, 1992

Percent area covered with aquatic vegetation (PAC, %)
16
Percent of lake's volume filled with vegetation (PVI, %)
3
Average emergent plant biomass (kg wet wt/m2)
5.4
Average floating-leaved plant biomass (kg wet wt/m2)
3.6
Average submersed plant biomass (kg wet wt/m2)
6.7
Average width of emergent and floating-leaved zone (ft.)
44
Average lake depth (m)
7

Frequency that plant species occur in 10 evenly spaced transects around the lake.

Common Name Plant Species
Frequency (%)
water-shield Brasenia schreberi
100
tapegrass Vallisneria americana
100
banana-lily Nymphoides aquatica
90
fragrant water-lily Nymphaea odorata
80
bacopa Bacopa monnieri
80
maidencane Panicum hemitomon
80
southern naiad Najas guadalupensis
70
purple fanwort Cabomba pulcherrima
70
buttonbush Cephalanthus occidentalis
70
American lotus Nelumbo lutea
60
bog-moss Mayaca fluviatilis
50
smartweed Polygonum hydropiperoides
40
red ludwigia Ludwigia repens
30
water-pennywort Hydrocotyle umbellata
20
yellow-eyed grass Xyris spp.
20
floating water-hyacinth Eichhornia crassipes
10
pickerelweed Pontederia cordata
10
water-moss Fontinalis spp.
10
variable-leaf milfoil Myriophyllum heterophyllum
10
willow Salix spp.
10
southern water-grass Hydrochloa caroliniensis
10
para grass Brachiaria mutica
10
soft rush Juncus effusus
10
bladderwort Utricularia foliosa
10
bald cypress Taxodium distichum
10

Hall (Leon County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on June 25, 1996

Percent area covered with aquatic vegetation (PAC, %)
86
Percent of lake's volume filled with vegetation (PVI, %)
14
Average emergent plant biomass (kg wet wt/m2)
1.6
Average floating-leaved plant biomass (kg wet wt/m2)
2.1
Average submersed plant biomass (kg wet wt/m2)
4.1
Average width of emergent and floating-leaved zone (ft.)
97
Average lake depth (m)
6

Frequency that plant species occur in 10 evenly spaced transects around the lake.

Common Name Plant Species
Frequency (%)
banana-lily Nymphoides aquatica
100
water-shield Brasenia schreberi
100
slender spikerush Eleocharis baldwinii
90
purple fanwort Cabomba pulcherrima
90
maidencane Panicum hemitomon
90
fragrant water-lily Nymphaea odorata
80
smartweed Polygonum hydropiperoides
80
lemon bacopa Bacopa caroliniana
80
buttonbush Cephalanthus occidentalis
80
red ludwigia Ludwigia repens
70
water-pennywort Hydrocotyle umbellata
70
strap-leaf sag Sagittaria kurziana
70
southern naiad Najas guadalupensis
70
bog-moss Mayaca fluviatilis
60
variable-leaf milfoil Myriophyllum heterophyllum
50
wax myrtle Myrica cerifera
40
floating water-hyacinth Eichhornia crassipes
30
American lotus Nelumbo lutea
30
pickerelweed Pontederia cordata
30
coontail Ceratophyllum demersum
30
cone-spur bladderwort Utricularia gibba
20
elderberry Sambucus canadensis
20
spatterdock Nuphar luteum
10
purple bladderwort Utricularia purpurea
10
water primrose Ludwigia octovalvis
10
willow Salix spp.
10
southern water-grass Hydrochloa caroliniensis
10
soft rush Juncus effusus
10
southern cutgrass Leersia hexandra
10

Hall (Leon County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on June 25, 1997

Percent area covered with aquatic vegetation (PAC, %)
80
Percent of lake's volume filled with vegetation (PVI, %)
18
Average emergent plant biomass (kg wet wt/m2)
4.8
Average floating-leaved plant biomass (kg wet wt/m2)
2.5
Average submersed plant biomass (kg wet wt/m2)
4.8
Average width of emergent and floating-leaved zone (ft.)
77
Average lake depth (m)
6

Frequency that plant species occur in 10 evenly spaced transects around the lake.

Common Name Plant Species
Frequency (%)
buttonbush Cephalanthus occidentalis
90
maidencane Panicum hemitomon
90
water-shield Brasenia schreberi
70
fragrant water-lily Nymphaea odorata
70
pickerelweed Pontederia cordata
70
strap-leaf sag Sagittaria kurziana
60
banana-lily Nymphoides aquatica
50
American lotus Nelumbo lutea
50
red ludwigia Ludwigia repens
50
slender spikerush Eleocharis baldwinii
30
bacopa Bacopa monnieri
30
water-pennywort Hydrocotyle umbellata
30
bog-moss Mayaca fluviatilis
30
purple fanwort Cabomba pulcherrima
30
southern naiad Najas guadalupensis
20
floating water-hyacinth Eichhornia crassipes
10
common salvinia Salvinia rotundifolia
10
variable-leaf milfoil Myriophyllum heterophyllum
10
purple bladderwort Utricularia purpurea
10
willow Salix spp.
10

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