Saddleback North (Hillsborough County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 28°7'19", Longitude 82°29'45"

Period of record: 54 sampling dates; June 9, 1992 to December 18, 1997

Surface area (Shafer et al. 1986): 33 acres / 13 hectacres

Lake Region (Griffith et al. 1997): Land-O-Lakes

Geologic formation (Brooks 1981):

The geology is dominated by argillaceous to sandy impure limestone of the Tampa Formation.

Physiographic region (Brooks 1981):

The water body lies in the Land-O-Lakes subdivision of the Tampa Plain division of the Ocala Uplift District.

 

Supplemental, unpublished water chemistry data, University of Florida.

Numbers reported below are the average for 1 month sampled:

pH

8.1

Sulfate (mg/L)

1.6

Total alkalinity (mg/L as CaCO3)

93.7

Conductance (µS/cm @ 25 °C)

218

Color (Pt-Co units)

14

Chloride (mg/L)

12.0

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 54 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

6

12

19

Long-term total nitrogen concentrations (µg/L)

240

440

820

Long-term total chlorophyll concentrations (µg/L)

1.0

3.6

9.0

Long-term Secchi depth (ft)

4.8

7.1

9.5

Florida LAKEWATCH data were not collected in 1999.

Saddleback North (Hillsborough County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on July 13, 1993

Percent area covered with aquatic vegetation (PAC, %)

48

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

4

Average emergent plant biomass (kg wet wt/m2)

4.1

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

0.5

Average submersed plant biomass (kg wet wt/m2)

4.1

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

33

Average lake depth (m)

2

 

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

Common Name

Plant Species

Frequency (%)

torpedograss

Panicum repens

90

bald cypress

Taxodium distichum

90

southern naiad

Najas guadalupensis

80

wax myrtle

Myrica cerifera

70

American lotus

Nelumbo lutea

60

water primrose

Ludwigia octovalvis

60

water-pennywort

Hydrocotyle umbellata

50

hydrilla

Hydrilla verticillata

40

elephant-ear

Colocasia esculenta

40

maidencane

Panicum hemitomon

30

willow

Salix spp.

20

green algae

Chlorphyta

20

spatterdock

Nuphar luteum

10

pickerelweed

Pontederia cordata

10

cat-tail

Typha spp.

10

buttonbush

Cephalanthus occidentalis

10

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