Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°30'45", Longitude 81°26'4"
Period of record: 90 sampling dates; March 18, 1992 to November 23, 1999
Surface area (LAKEWATCH): 32 acres / 13 hectacres Bathymetric Map
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 Orlando Promontory division of the Central
Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
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Total alkalinity (mg/L as CaCO3) |
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| Conductance (µS/cm @ 25 °C) |
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Color (Pt-Co units) |
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| Chloride (mg/L) |
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Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 90 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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Richmond (Orange County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 21, 1999
| Percent area covered with aquatic vegetation (PAC, %) |
33
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| Percent of lake's volume filled with vegetation (PVI, %) |
20
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| Average emergent plant biomass (kg wet wt/m2) |
7.2
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| Average floating-leaved plant biomass (kg wet wt/m2) |
0.0
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| Average submersed plant biomass (kg wet wt/m2) |
1.8
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| Average width of emergent and floating-leaved zone (ft.) |
8
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| Average lake depth (m) |
1
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Frequency that plant species occur in 10 evenly spaced transects around the lake.
| Common Name | Plant Species |
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| torpedograss | Panicum repens |
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| water primrose | Ludwigia octovalvis |
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| water-pennywort | Hydrocotyle umbellata |
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| pickerelweed | Pontederia cordata |
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| elephant-ear | Colocasia esculenta |
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| willow | Salix spp. |
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| giant spikerush | Eleocharis interstincta |
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| wax myrtle | Myrica cerifera |
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| duck-potato | Sagittaria lancifolia |
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| alligator-weed | Alternanthera philoxeroides |
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| elderberry | Sambucus canadensis |
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| red maple | Acer rubrum |
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| hydrilla | Hydrilla verticillata |
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| flat-sedge | Cyperus odoratus |
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| giant bulrush | Scirpus californicus |
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| musk-grass | Chara spp. |
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| big rose mallow | Hibiscus grandiflorus |
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