Disston (Flagler County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 29°17'2", Longitude 81°23'31"

Period of record: 88 sampling dates; February 14, 1992 to December 12, 1999

Surface area (Shafer et al. 1986): No data available.   Bathymetric Map

Lake Region (Griffith et al. 1997): Eastern Flatlands

Geologic formation (Brooks 1981):

The geology is dominated by dune sand and shell with silty sand, silt, and clay of the Princess Ann Formation.

Physiographic region (Brooks 1981):

The water body lies in the Crescent Lake Basin subdivision of the Palatka Anomalies division of the Eastern Flatwoods District.

Supplemental, unpublished water chemistry data, University of Florida.

Numbers reported below are the average for 4 months sampled:
 
pH
5.5
 Sulfate (mg/L)
4.0
Total alkalinity (mg/L as CaCO3)
2.9
 Calcium (mg/L)
3.3
Conductance (µS/cm @ 25 °C)
59
 Magnesium (mg/L)
6.7
Color (Pt-Co units)
360
 Sodium (mg/L)
6.5
Chloride (mg/L)
13.7
 Potassium (mg/L)
0.6
Silicon (mg/L)
3.3
    

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 88 months sampled:

 
Minimum
Average
Maximum
Long-term total phosphorus concentrations (µg/L)
16
26
41
Long-term total nitrogen concentrations (µg/L)
770
1040
1380
Long-term total chlorophyll concentrations (µg/L)
0.0
3.8
20.3
Long-term Secchi depth (ft)
0.9
1.4
2.1

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-14-99 30 1050 1.7 1.2
Feb-16-99 34 1050 2.7 1.1
Mar-17-99 30 930 2.7 1.2
Apr-14-99 30 960 2.7 1.2
May-17-99 24 1110 6.0 1.4
Jun-15-99 24 1070 6.0 1.2
Jul-14-99 16 910 3.3 1.3
Aug-16-99 20 960 8.3 1.2
Sep-20-99 29 1000 4.7 2.0
Oct-14-99 25 1150 3.3 1.2
Nov-15-99 22 1340 2.3 1.2
Dec-12-99 22 1370 4.3 .
         
1999 Average
26
1080
4.0
1.3

Disston (Flagler County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on August 4, 1993

Percent area covered with aquatic vegetation (PAC, %)
6
Percent of lake's volume filled with vegetation (PVI, %)
1
Average emergent plant biomass (kg wet wt/m2)
4.6
Average floating-leaved plant biomass (kg wet wt/m2)
1.3
Average submersed plant biomass (kg wet wt/m2)
0.5
Average width of emergent and floating-leaved zone (ft.)
110
Average lake depth (m)
3

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

Common Name Plant Species
Frequency (%)
spatterdock Nuphar luteum
100
maidencane Panicum hemitomon
100
buttonbush Cephalanthus occidentalis
80
bald cypress Taxodium distichum
80
slender spikerush Eleocharis baldwinii
60
baby-tears Micranthemum umbrosum
60
wax myrtle Myrica cerifera
60
water primrose Ludwigia octovalvis
60
common salvinia Salvinia rotundifolia
50
alligator-weed Alternanthera philoxeroides
50
water-pennywort Hydrocotyle umbellata
50
water hemlock Cicuta mexicana
50
banana-lily Nymphoides aquatica
40
pickerelweed Pontederia cordata
40
giant bulrush Scirpus californicus
40
floating water-hyacinth Eichhornia crassipes
30
willow Salix spp.
30
southern water-grass Hydrochloa caroliniensis
30
duck-potato Sagittaria lancifolia
20
cat-tail Typha spp.
20
cone-spur bladderwort Utricularia gibba
20
elephant-ear Colocasia esculenta
20
common duckweed Lemna minor
10
frog's-bit Limnobium spongia
10
red ludwigia Ludwigia repens
10
bacopa Bacopa monnieri
10
tapegrass Vallisneria americana
10
stonewort Nitella spp.
10
spider orchid Habenaria spp.
10

Disston (Flagler County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on July 1, 1999

Percent area covered with aquatic vegetation (PAC, %)
12
Percent of lake's volume filled with vegetation (PVI, %)
3
Average emergent plant biomass (kg wet wt/m2)
2.2
Average floating-leaved plant biomass (kg wet wt/m2)
1.3
Average submersed plant biomass (kg wet wt/m2)
0.0
Average width of emergent and floating-leaved zone (ft.)
78
Average lake depth (m)
3

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

Common Name Plant Species
Frequency (%)
maidencane Panicum hemitomon
90
spatterdock Nuphar luteum
80
bald cypress Taxodium distichum
80
giant bulrush Scirpus californicus
50
water primrose Ludwigia octovalvis
40
buttonbush Cephalanthus occidentalis
40
water-lettuce Pistia stratiotes
30
wax myrtle Myrica cerifera
30
elderberry Sambucus canadensis
30
lemon bacopa Bacopa caroliniana
20
sedge spp. Cyperus spp.
20
common salvinia Salvinia rotundifolia
10
slender spikerush Eleocharis baldwinii
10
baby-tears Micranthemum umbrosum
10
water-pennywort Hydrocotyle umbellata
10
St. John's wort Hypericum spp.
10
red maple Acer rubrum
10

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