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Water bodies, watersheds and storm water
Palm Springs main view

Palm Springs main view

Palm Springs

Seminole County


Palm Springs is a third-magnitude spring enclosed by a 4-foot high concrete retaining wall that once formed a swimming pool. The pool is about 100 feet long and 50 feet wide. Spring discharge was from under a rock ledge in a circular vent near the southwest edge of the pool. The vent measured about 15 feet in diameter at its top and narrows with depth. Flow from the spring orifice caused a moderate boil at the surface; the water has a slightly cloudy, bluish-green appearance, and a moderate hydrogen sulfide odor. Discharge from the pool was through a 4-foot wide weir in the north end, and then northward to the Little Wekiva River.


Palm Springs vent

Palm Springs vent

Discharge at Palm Springs was measured by the U.S. Geological Survey (USGS) from 1945 to 2002. St. Johns River Water Management District measured discharge from 1993 to 2010 and currently performs bimonthly discharge measurements. The difference between the minimum and maximum discharges is 9.45 cubic feet per second (cfs) over the period. The maximum measured discharge of 12.2 cfs occurred in October 1960; the minimum discharge of 2.75 cfs occurred in September 1960. The mean and median discharges for the period from 1945 to 2010 are 6.61 cfs and 6.11 cfs, respectively (see the table below).

Palm Springs Discharge Graph
Discharge Graph

Water quality

Palm Springs was sampled five times by USGS from 1956 to 1973 and once in 1995, with periodic field measurements only at other times. The district sampled Palm Springs 55 times from 1993 to 2010 and currently samples the spring four times per year. Summary statistics of the water quality data for selected variables are shown in the table below.

Palm Springs Water Quality Graph
Water Quality Graph

Summary statistics of water quality and discharge at Palm Springs

Palm Springs — Seminole County Min Mean Median Max Count Period
Discharge, cfs 2.75 6.61 6.11 12.20 180 1941−2010
Alkalinity, total, mg/L as CaCO3 89.0 121.1 121.0 138.0 60 1956−2010
Calcium, total, mg/L as Ca 30.1 40.6 40.9 44.0 55 1993−2010
Chloride, total, mg/L as Cl 7.5 16.3 16.8 20.5 60 1956−2010
Fluoride, total, mg/L as F 0.16 0.18 0.17 0.20 29 1993−2003
Magnesium, total, mg/L as Mg 8.7 12.0 12.0 13.1 55 1993−2010
Nitrate + nitrite, total, mg/L as N 0.11 0.68 0.67 1.20 53 1993−2010
Orthophosphate, total, mg/L as P 0.08 0.11 0.11 0.18 53 1972−2010
pH, field 5.45 7.32 7.40 8.40 65 1956−2010
Phosphorus, total, mg/L as P 0.09 0.12 0.12 0.15 32 1972−2010
Potassium, total, mg/L as K 1.0 1.2 1.1 1.8 46 1993−2010
Sodium, total, mg/L as Na 6.9 9.9 9.8 12.0 55 1993−2010
Specific conductance, field, µmhos/cm at 25°C 198 333 337 387 56 1993−2010
Specific conductance, lab, µmhos/cm at 25°C 213 329 335 518 51 1956−2010
Sulfate, total, mg/L as SO4 12.0 24.3 24.0 30.4 61 1956−2010
Total dissolved solids, mg/L 124 193 192 284 57 1960−2010
Water temperature, °C 22.5 24.2 24.1 27.8 118 1956−2010
Units: µmhos/cm = micromhos per centimeter
         mg/L = milligrams per liter
         cfs = cubic feet per second

Age of discharge water

The age of water discharging from Palm Springs was determined by measuring the concentration of tritium, delta carbon-13, and carbon-14 in the spring discharge, which was measured in September 1995, and tritium and helium-3, as measured in February 2001. Palm Springs had a tritium concentration of 1.60 tritium units, which suggests that the water is less than 42 years old. The tritium/helium-3 age was 19.5 years. Palm Springs had a delta carbon-13 value of −10.86 parts per thousand and a carbon-14 concentration of 43% modern carbon, which results from the reaction of rainfall with calcite, dolomite, and sediment organic matter. The adjusted carbon-14 age of Palm Springs is recent.


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