Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°25'23", Longitude 81°36'22"
Period of record: 64 sampling dates; July 8, 1990 to January 21, 1999
Surface area (Shafer et al. 1986): 308 acres / 125 hectacres
Lake Region (Griffith et al. 1997): Crescent City/DeLand Ridges
Geologic formation (Brooks 1981):
The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Crescent City-Deland Ridge division of the
Central Lake District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 64 months sampled:
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| Long-term total phosphorus concentrations (µg/L) |
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| Long-term total nitrogen concentrations (µg/L) |
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| Long-term total chlorophyll concentrations (µg/L) |
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| Long-term Secchi depth (ft) |
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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:
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South Estella (Putnam County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 29, 1997
| Percent area covered with aquatic vegetation (PAC, %) |
13
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| Percent of lake's volume filled with vegetation (PVI, %) |
6
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| Average emergent plant biomass (kg wet wt/m2) |
3.3
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| Average floating-leaved plant biomass (kg wet wt/m2) |
1.7
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| Average submersed plant biomass (kg wet wt/m2) |
1.5
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| Average width of emergent and floating-leaved zone (ft.) |
68
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| Average lake depth (m) |
4
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Frequency that plant species occur in 9 evenly spaced transects around the lake.
| Common Name | Plant Species |
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| rush fuirena | Fuirena scirpoidea |
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| fragrant water-lily | Nymphaea odorata |
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| variable-leaf milfoil | Myriophyllum heterophyllum |
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| maidencane | Panicum hemitomon |
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| red ludwigia | Ludwigia repens |
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| St. John's wort | Hypericum spp. |
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| slender spikerush | Eleocharis baldwinii |
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| buttonbush | Cephalanthus occidentalis |
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| banana-lily | Nymphoides aquatica |
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| pickerelweed | Pontederia cordata |
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| pipewort | Eriocaulon spp. |
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| water-shield | Brasenia schreberi |
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| cone-spur bladderwort | Utricularia gibba |
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| water primrose | Ludwigia octovalvis |
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| water-pennywort | Hydrocotyle umbellata |
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