Tedder (Volusia County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 29°8'52", Longitude 81°21'7"

Period of record: 8 sampling dates; December 4, 1990 to February 16, 1992

Surface area : No data available.

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 8 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

12

19

28

Long-term total nitrogen concentrations (µg/L)

710

790

870

Long-term total chlorophyll concentrations (µg/L)

2.0

7.4

16.0

Long-term Secchi depth (ft)

1.9

2.2

2.6

Florida LAKEWATCH data were not collected in 1999.

Tedder (Volusia County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on May 28, 1992

Percent area covered with aquatic vegetation (PAC, %)

24

Percent of lake's volume filled with vegetation (PVI, %)

7

Average emergent plant biomass (kg wet wt/m2)

1.0

Average floating-leaved plant biomass (kg wet wt/m2)

2.0

Average submersed plant biomass (kg wet wt/m2)

0.0

Average width of emergent and floating-leaved zone (ft.)

196

Average lake depth (m)

2

 

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

Common Name

Plant Species

Frequency (%)

fragrant water-lily

Nymphaea odorata

100

spatterdock

Nuphar luteum

70

pickerelweed

Pontederia cordata

70

water primrose

Ludwigia octovalvis

50

common salvinia

Salvinia rotundifolia

40

duck-potato

Sagittaria lancifolia

40

maidencane

Panicum hemitomon

40

buttonbush

Cephalanthus occidentalis

30

torpedograss

Panicum repens

30

smartweed

Polygonum hydropiperoides

10

bacopa

Bacopa monnieri

10

cat-tail

Typha spp.

10

water-pennywort

Hydrocotyle umbellata

10

cone-spur bladderwort

Utricularia gibba

10

water spikerush

Eleocharis elongata

10

rush spp.

Juncus acuminatus

10

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