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
St. Johns River Water Management District - www.sjrwmd.com

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Water bodies, watersheds and storm water
Sulphur Spring main view

Sulphur Spring main view

Sulphur Spring pool

Sulphur Spring pool

Sulphur Spring boil

Sulphur Spring boil

Sulphur Spring

Orange County

Description

Sulphur Spring is a fourth-magnitude spring, formerly known as Camp Spring. A large sand boil about 5 feet wide discharges into an oval-shaped spring pool about 70 feet long and 15 feet wide. The bottom of the pool is covered with organic debris, except at the spring boil. The water is clean and clear, with a strong sulfur odor. The spring run flows east about 0.5 mile to Rock Springs Run.

Discharge

Discharge at Sulphur Spring was measured by the U.S. Geological Survey (USGS) in 1995 and 1997. St. Johns River Water Management District measured discharge twice in 2003, before and after mitigation work at the spring. The mean and median discharges for the period are 0.74 cfs and 0.79 cubic feet per second, respectively (see the table below).

Water quality

Sulphur Spring was sampled by USGS in 1997 and 1999. Summary statistics of the water quality data for selected variables are shown in the table below.

Summary statistics of water quality and discharge at Sulphur Spring

Sulphur Spring Min Mean Median Max Count Period
Discharge, cfs 0.44 0.74 0.79 0.95 4 1995−2003
Chloride, total, mg/L as Cl 7.7 7.7 7.7 7.7 1 1997
pH, field 7.76 7.88 7.88 8.00 2 1997−1999
Phosphorus, total, mg/L as P 0.03 0.03 0.03 0.03 1 1999
Specific conductance, lab, µmhos/cm at 25°C 420 433 433 446 2 1997−1999
Sulfate, total, mg/L as SO4 110.0 110.0 110.0 110.0 1 1997
Total dissolved solids, mg/L 266 266 266 266 1 1997
Water temperature, °C 24.7 24.8 24.8 24.8 2 1997−1999
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