Iamonia (Leon County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 30°38'1", Longitude 84°14'48"
Period of record: 25 sampling dates; June 3, 1992 to November 22, 1999
Surface area (Shafer et al. 1986): No data available.
Lake Region (Griffith et al. 1997): Tifton/Tallahassee Uplands
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 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Supplemental, unpublished water chemistry data, University of Florida.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 5 months sampled:
|
pH |
5.8 |
Sulfate (mg/L) |
3.4 |
|
Total alkalinity (mg/L as CaCO3) |
3.1 |
Calcium (mg/L) |
1.0 |
|
Conductance (µS/cm @ 25 °C) |
20 |
Magnesium (mg/L) |
1.8 |
|
Color (Pt-Co units) |
32 |
Sodium (mg/L) |
1.8 |
|
Chloride (mg/L) |
3.8 |
Potassium (mg/L) |
0.3 |
|
Silicon (mg/L) |
0.8 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 25 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
8 |
16 |
24 |
|
Long-term total nitrogen concentrations (µg/L) |
280 |
470 |
760 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.3 |
7.1 |
17.0 |
|
Long-term Secchi depth (ft) |
2.0 |
4.4 |
8.0 |
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-29-99 |
11 |
290 |
4.7 |
4.3 |
|
Mar-23-99 |
18 |
470 |
4.3 |
8.0 |
|
Apr-27-99 |
12 |
450 |
5.0 |
3.7 |
|
May-28-99 |
14 |
460 |
3.0 |
2.3 |
|
Jun-30-99 |
13 |
450 |
6.5 |
4.0 |
|
Jul-29-99 |
13 |
460 |
3.7 |
3.0 |
|
Aug-31-99 |
20 |
530 |
7.7 |
3.3 |
|
Sep-29-99 |
22 |
760 |
5.0 |
3.3 |
|
Nov-22-99 |
12 |
330 |
5.0 |
5.5 |
|
|
|
|
|
|
|
1999 Average |
15 |
470 |
5.0 |
4.2 |
Iamonia (Leon County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on May 27, 1993
|
Percent area covered with aquatic vegetation (PAC, %) |
88 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
29 |
|
Average emergent plant biomass (kg wet wt/m2) |
1.4 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
2.7 |
|
Average submersed plant biomass (kg wet wt/m2) |
5.4 |
|
Average width of emergent and floating-leaved zone (ft.) |
645 |
|
Average lake depth (m) |
2 |
Frequency that plant species occur in 30 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
purple bladderwort |
Utricularia purpurea |
97 |
|
bladderwort |
Utricularia foliosa |
97 |
|
fragrant water-lily |
Nymphaea odorata |
93 |
|
buttonbush |
Cephalanthus occidentalis |
90 |
|
pickerelweed |
Pontederia cordata |
87 |
|
water spikerush |
Eleocharis elongata |
83 |
|
willow |
Salix spp. |
80 |
|
soft rush |
Juncus effusus |
80 |
|
Baldwin flat sedge |
Cyperus globulosus |
80 |
|
purple fanwort |
Cabomba pulcherrima |
77 |
|
maidencane |
Panicum hemitomon |
77 |
|
common arrowhead |
Sagittaria latifolia |
73 |
|
grass family |
Gramineae |
70 |
|
slender spikerush |
Eleocharis baldwinii |
53 |
|
American lotus |
Nelumbo lutea |
50 |
|
water-shield |
Brasenia schreberi |
47 |
|
frog's-bit |
Limnobium spongia |
37 |
|
water-pennywort |
Hydrocotyle umbellata |
37 |
|
yellow-eyed grass |
Xyris spp. |
30 |
|
bald cypress |
Taxodium distichum |
27 |
|
lemon bacopa |
Bacopa caroliniana |
23 |
|
banana-lily |
Nymphoides aquatica |
17 |
|
para grass |
Brachiaria mutica |
17 |
|
floating water-hyacinth |
Eichhornia crassipes |
13 |
|
bog-moss |
Mayaca fluviatilis |
13 |
|
common salvinia |
Salvinia rotundifolia |
10 |
|
spatterdock |
Nuphar luteum |
10 |
|
red ludwigia |
Ludwigia repens |
10 |
|
smartweed |
Polygonum hydropiperoides |
10 |
|
torpedograss |
Panicum repens |
10 |
|
Illinois pondweed |
Potamogeton illinoensis |
7 |
|
rush fuirena |
Fuirena scirpoidea |
7 |
|
slender naiad |
Najas minor |
3 |
|
green fanwort |
Cabomba caroliniana var. multipartita |
3 |
|
variableleaf pondweed |
Potamogeton diversifolius |
3 |
|
barnyard grass |
Echinochloa crusgalli |
3 |
|
elderberry |
Sambucus canadensis |
3 |
|
jointed flat sedge |
Cyperus haspan |
3 |