Water bodies, watersheds and storm water
Green Algae Boil A
Green Algae Boil
Location
Green Algae Boil is located in the Seminole State Forest about 1.8 miles southeast of Cassia. From the south entrance of Seminole State Forest on State Road 46 (about 0.4 mile west of the Wekiva River), turn north and drive past the stop sign, through the gate, and cross the bridge over Black Water Creek. Drive about 0.2 mile from the bridge to the next intersection, then turn right and go another 1.1 miles. Park, then walk toward the northeast about 175 feet to Blue Algae Boil (depending on where parked). Continue to walk toward the northeast and cross Sulphur Run (requires waders), then walk another 250 feet to the northeast to Green Algae Boil. Access and fee information can be obtained at the Seminole State Forest south entrance.
Latitude 28°52’32.88” N, Longitude 81°26’24.73” W
NE¼ SW¼ SW¼ sec. 32, T 18 S, R 29 E
Green Algae Boil A pool
Description
Green Algae Boil is a fifth-magnitude spring and consists of vents A and B that flow toward the southwest to the Sulphur Run of Black Water Creek. Water flow is barely visible from beneath dense leaf debris in the small, circular pool at vent A, while there is no visible flow in the pool at vent B.
Discharge
Green Algae Boil B run
Discharge from Green Algae Boil was measured at 0.14 cubic feet per second by St. Johns River Water Management District (SJRWMD) in 2005. This is a combined discharge for vents A and B in the spring run as it flows to Sulphur Run.
Water quality
Green Algae Boil vents A and B were sampled by SJRWMD in 2005. A summary of the water quality data for selected variables is shown in the table below.
Summary statistics of water quality and discharge
at Green Algae Boil
| Green Algae Boil | Vent A | Vent B | Period |
|---|---|---|---|
| Discharge, cfs | -- | 0.14 | 2005 |
| Alkalinity, total, mg/L as CaCO3 | 164.0 | 169.0 | 2005 |
| Calcium, total, mg/L as Ca | 93.1 | 91.7 | 2005 |
| Chloride, total, mg/L as Cl | 209.0 | 202.0 | 2005 |
| Magnesium, total, mg/L as Mg | 24.6 | 22.2 | 2005 |
| Orthophosphate, total, mg/L as P | 0.06 | 0.06 | 2005 |
| pH, field | 7.61 | 7.54 | 2005 |
| Phosphorus, total, mg/L as P | 0.06 | 0.07 | 2005 |
| Potassium, total, mg/L as K | 5.0 | 4.1 | 2005 |
| Sodium, total, mg/L as Na | 130.0 | 120.0 | 2005 |
| Specific conductance, field, µmhos/cm at 25°C | 1248 | 1165 | 2005 |
| Specific conductance, lab, µmhos/cm at 25°C | 1206 | 1128 | 2005 |
| Sulfate, total, mg/L as SO4 | 119.0 | 81.5 | 2005 |
| Total dissolved solids, mg/L | 733 | 668 | 2005 |
| Water temperature, °C | 23.4 | 22.2 | 2005 |
mg/L = milligrams per liter
cfs = cubic feet per second
