Spring (Seminole County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°39'2", Longitude 81°23'50"
Period of record: 62 sampling dates; December 5, 1991 to November 25, 1999
Surface area (Shafer et al. 1986): 87 acres / 35 hectacres
Lake Region (Griffith et al. 1997): Orlando Ridge
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.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
8.1 |
Total alkalinity (mg/L as CaCO3) |
62.0 |
|
Conductance (µS/cm @ 25 °C) |
255 |
Color (Pt-Co units) |
20 |
|
Chloride (mg/L) |
34.3 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 62 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
27 |
41 |
55 |
|
Long-term total nitrogen concentrations (µg/L) |
960 |
1520 |
2020 |
|
Long-term total chlorophyll concentrations (µg/L) |
31.0 |
56.8 |
104.7 |
|
Long-term Secchi depth (ft) |
1.3 |
1.9 |
2.8 |
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-19-99 |
33 |
1430 |
41.0 |
2.0 |
|
Feb-20-99 |
50 |
1450 |
59.3 |
2.0 |
|
Mar-27-99 |
47 |
1650 |
59.3 |
1.3 |
|
Apr-24-99 |
45 |
1800 |
68.7 |
1.5 |
|
May-15-99 |
53 |
2020 |
65.3 |
1.5 |
|
Jun-19-99 |
44 |
1730 |
66.7 |
2.0 |
|
Jul-22-99 |
45 |
1750 |
68.7 |
2.0 |
|
Aug-14-99 |
44 |
1710 |
48.3 |
1.3 |
|
Sep-25-99 |
41 |
1310 |
52.0 |
1.7 |
|
Oct-23-99 |
44 |
1270 |
63.3 |
2.0 |
|
Nov-25-99 |
38 |
1090 |
50.0 |
2.8 |
|
|
|
|
|
|
|
1999 Average |
44 |
1570 |
58.4 |
1.8 |
Spring (Seminole County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 15, 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) |
3.7 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
1.0 |
|
Average submersed plant biomass (kg wet wt/m2) |
1.8 |
|
Average width of emergent and floating-leaved zone (ft.) |
46 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
torpedograss |
Panicum repens |
90 |
|
water-pennywort |
Hydrocotyle umbellata |
80 |
|
duck-potato |
Sagittaria lancifolia |
60 |
|
spatterdock |
Nuphar luteum |
50 |
|
southern naiad |
Najas guadalupensis |
50 |
|
variableleaf pondweed |
Potamogeton diversifolius |
40 |
|
water primrose |
Ludwigia octovalvis |
40 |
|
pickerelweed |
Pontederia cordata |
30 |
|
cat-tail |
Typha spp. |
30 |
|
hydrilla |
Hydrilla verticillata |
30 |
|
slender spikerush |
Eleocharis baldwinii |
20 |
|
tapegrass |
Vallisneria americana |
20 |
|
willow |
Salix spp. |
10 |
|
water spikerush |
Eleocharis elongata |
10 |
|
bald cypress |
Taxodium distichum |
10 |