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
Glen Springs main view

Glen Springs main view

Glen Springs

Alachua County

Description

Glen Springs is a fourth-magnitude spring situated in the upper end of a wooded ravine. The spring vent flows from limestone in the 18-foot-long by 10-foot-wide head pool, which is enclosed by a concrete wall. Water flows from the head pool into two swimming pools behind the Elks Lodge and then to the spring run. The spring run flows in the ravine toward the southeast for about 500 feet to Hogtown Creek. The spring and pools are used as a private recreational facility.

Discharge

Another view of Glen Springs pool

Another view of Glen Springs pool

Discharge at Glen Springs was measured by the U.S. Geological Survey (USGS) five times from 1941 to 1972. St. Johns River Water Management District measured discharge in 2000. The difference between the minimum and maximum discharges is 0.29 cubic feet per second (cfs) over the period. The maximum measured discharge of 0.42 cfs occurred in November 1960; the minimum discharge of 0.13 cfs occurred in April 2000. The mean and median discharges for the period are 0.31 cfs and 0.33 cfs, respectively (see the table below).

Water quality

Glen Springs was sampled by USGS in 1972 and by the district in 2000. Summary statistics of the water quality data for selected variables are shown in the table below.

Summary statistics of water quality and discharge at Glen Springs

Glen Springs Min Mean Median Max Count Period
Discharge, cfs 0.13 0.31 0.33 0.42 6 1941−2000
Alkalinity, total, mg/L as CaCO3 74.0 100.3 100.3 126.6 2 1972−2000
Calcium, total, mg/L as Ca 38.2 38.2 38.2 38.2 1 2000
Chloride, total, mg/L as Cl 7.0 11.3 11.3 15.6 2 1972−2000
Fluoride, total, mg/L as F 0.29 0.29 0.29 0.29 1 2000
Magnesium, total, mg/L as Mg 15.9 15.9 15.9 15.9 1 2000
Nitrate + nitrite, total, mg/L as N 1.46 1.46 1.46 1.46 1 2000
Orthophosphate, total, mg/L as P 0.31 0.35 0.35 0.38 2 1972−2000
pH, field 7.20 7.99 7.26 9.50 3 1972−2000
Phosphorus, total, mg/L as P 0.42 0.42 0.42 0.42 1 1972
Sodium, total, mg/L as Na 6.5 6.5 6.5 6.5 1 2000
Specific conductance, field, µmhos/cm at 25°C 319 319 319 319 1 2000
Specific conductance, lab, µmhos/cm at 25°C 170 170 170 170 1 1972
Sulfate, total, mg/L as SO4 4.0 7.1 7.1 10.2 2 1972−2000
Total dissolved solids, mg/L 95 141 141 186 2 1972−2000
Water temperature, °C 22.0 22.1 22.0 22.4 3 1972−2000
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