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St. Johns County · Well Drilling
Well drilling in St. Augustine Beach on a barrier island's thin lens
Drilling on the island is a matter of taking a little water from a thin freshwater lens without pulling the salt beneath it into the sprinklers.
Well Drilling in St. Augustine Beach
- County
- St. Johns County
- Design
- Purpose, demand, depth, casing, setback
- Permit
- County office, or the City in Duval
- After
- Yield test, disinfection, completion report, lab sample
- Hours
- 7 days a week, 7am to 9pm
What changes in St. Augustine Beach
St. Augustine Beach is on utility water, so a new bore is an irrigation well, and it draws from a freshwater lens floating on seawater. The bore is kept shallow inside the lens, the pump is sized so the well recovers between zones, and a conductivity check before drilling tells whether the lot has a lens worth tapping at all. Where it does not, the honest answer is a deeper bore or no well.
Everything above ground lives in salt air, so the control box, switch and wiring are specified for it. The permit is the county health department's, and the setback from any septic system on the island's older lots is measured, because many of those houses are still on a tank.
How the job runs
How a well is drilled here
Every new well is designed before it is drilled: purpose, demand, depth to the water that suits it, casing through the clay where the bore goes to the Floridan, and the setback from any septic system on the lot or next door. The permit is filed with the county office, or the City of Jacksonville in Duval, before the rig is booked. The bore is drilled, cased, grouted, developed until it runs clear and tested for yield. The pump, pitless adapter and pressure tank are sized to that yield and to the demand. The well is disinfected, the completion report is filed and a sample goes to a certified laboratory before anyone drinks from it.
Straight answers
Well Drilling questions from St. Augustine Beach
Will a beach well produce fresh water?
Where the lens is thick enough, yes. It is tested before drilling rather than discovered after.
How is the equipment protected from salt?
Marine-grade enclosures and an annual look at the switch and box, which corrode years ahead of inland parts.
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Well Drilling in St. Augustine Beach
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