St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District
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Water bodies, watersheds and storm water
Moccasin Springs main view

Moccasin Springs main view

Moccasin Springs

Lake County

Description

Moccasin Springs is a fourth-magnitude spring that flows from several sand boils into a large pool about 40 feet long and 30 feet wide. The spring run flows toward the east to Black Water Creek through dense forests of hardwoods, palms, and palmettos.

Discharge

Moccasin Springs pool

Moccasin Springs pool

Discharge at Moccasin Springs was measured by the U.S. Geological Survey (USGS) in 1997 and 2001. The mean discharge is 0.29 cubic feet per second.

Water quality

Moccasin Springs was sampled by USGS in 1997 and by Lake County in 2004 and 2005. Summary statistics of the water quality data for selected variables are shown in the table below.

Summary statistics of water quality and discharge at Moccasin Springs

Moccasin Springs Min Mean Median Max Count Period
Discharge, cfs 0.28 0.29 0.29 0.29 2 1997−2001
Alkalinity, total, mg/L as CaCO3 103.0 103.0 103.0 103.0 1 2004
Calcium, total, mg/L as Ca 79.5 79.5 79.5 79.5 1 2004
Chloride, total, mg/L as Cl 495.0 557.5 557.5 620.0 2 1997−2004
Dissolved Oxygen 0.50 0.50 0.50 0.50 1 2004
Magnesium, total, mg/L as Mg 63.4 63.4 63.4 63.4 1 2004
Nitrate + nitrite, total, mg/L as N 0.01 0.01 0.01 0.01 1 2004
pH, field 7.35 7.38 7.38 7.40 2 1997−2004
Specific conductance, field, µmhos/cm at 25°C 2878 2878 2878 2878 1 2004
Specific conductance, lab, µmhos/cm at 25°C 2830 2830 2830 2830 1 1997
Sulfate, total, mg/L as SO4 367.5 373.8 373.8 380.0 2 1997−2004
Total dissolved solids, mg/L 1680 1961 1750 2452 3 1997−2005
Water temperature, °C 23.7 24.3 24.3 24.9 3 1997−2005
Units: µmhos/cm = micromhos per centimeter
         mg/L = milligrams per liter
         cfs = cubic feet per second

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St. Johns River Water Management District
4049 Reid Street, Palatka, FL 32177
(800) 725-5922