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Supplemental, unpublished water chemistry data, University of Florida.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 |