Well Drilling in Clay County, FL
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Typical national cost$3,000 – $16,000Cost guide →Local Help in Clay County, FL
Clay County sits southwest of Jacksonville, and outside utility service areas — around Middleburg, Keystone Heights, Green Cove Springs, and the rural west — homes often rely on private wells. USGS describes three groundwater sources here: a shallow water-table aquifer, secondary artesian zones in the Hawthorn Group sediments, and the deeper Floridan aquifer. Which one a contractor completes in shapes depth, cost, and water quality.
From lakefront lots around Keystone Heights to ranchette parcels in the west county, Clay requests cover new wells, pump and tank replacement, and water treatment. Which aquifer suits your lot is a local-knowledge call — nearby well logs guide it.
Clay County Service Details
What providers in this area actually see: coverage, common jobs, local pricing factors, and rules worth knowing.
Service Area Notes
- Coverage across Middleburg, Keystone Heights, Green Cove Springs, Orange Park's rural fringe, Lake Asbury, and the west county.
- Lakefront and ranchette parcels off the sewer and water grid are where most new wells go; the county's aquifers are layered, so ask which one a driller plans to use.
- Clay County is in the St. Johns River Water Management District (SJRWMD). DOH-Clay permits wells delegated by SJRWMD, generally ordinary wells with an outside diameter under 6 inches at land surface. SJRWMD directly permits wells with an outside diameter of 6 inches or greater, non-dewatering gang wells whose total nominal casing sizes equal at least 6 inches, open-loop geothermal wells with an outside diameter of at least 6 inches at land surface, and all closed-loop geothermal wells. The contractor typically files the application with the responsible permitting authority.
Common Jobs in Clay County
- New wells for west-county acreage and lakefront homesites
- Choosing and completing in the water-table, Hawthorn artesian, or Floridan aquifer
- Pump and pressure tank replacement on older Middleburg and Keystone Heights systems
- Iron staining and sulfur odor treatment where a water test calls for it
- Irrigation wells for pasture, lawns, and small farms
- Well inspections for rural home and acreage sales
What Drives Pricing Here
- Which aquifer you complete in — the shallow water-table aquifer, the artesian zones in the Hawthorn Group, or the deeper Floridan — sets the depth, casing, and pump, and with them most of the quote
- How much casing it takes to reach and seal off the chosen aquifer varies across the county and affects cost
- Treatment needs — iron staining, sulfur odor, or none at all — aren't known until the water is tested, so budget for them once lab results are in
- Irrigation-yield needs raise bore diameter and pump sizing on lawn and pasture wells
Permits & Local Rules
- Florida law requires water well contractors to be licensed by a water management district (s. 373.323, F.S.). DOH-Clay permits wells delegated by SJRWMD, generally ordinary wells with an outside diameter under 6 inches at land surface. SJRWMD directly permits wells with an outside diameter of 6 inches or greater, non-dewatering gang wells whose total nominal casing sizes equal at least 6 inches, open-loop geothermal wells with an outside diameter of at least 6 inches at land surface, and all closed-loop geothermal wells. Confirm the permitting authority and fees before work starts.
- State rule requires a septic system to sit at least 75 feet from a private potable well (Rule 62-6.005, F.A.C.). Ask DOH-Clay environmental health (904-278-3784) which water tests your new well needs before final approval.
Geology & Water Table Notes
- USGS identifies a water-table aquifer, secondary artesian aquifers, and the Floridan aquifer in Clay County, and SJRWMD describes the intermediate (Hawthorn Group) aquifer as an important water source here. The Hawthorn clays also act as the confining layer that slows water moving between the shallow and Floridan aquifers.
- USGS rates Clay County groundwater as generally of good chemical quality, but individual wells can still have sulfur (rotten-egg) odor or iron staining — both treatable once a lab test shows what's there.
- Lakes Brooklyn and Geneva near Keystone Heights are sandhill lakes that SJRWMD reports are below their adopted minimum levels; the district's Black Creek project moves excess creek water to the area to recharge the Upper Floridan aquifer.
Communities Served
Middleburg · Keystone Heights · Green Cove Springs · Lake Asbury · Orange Park (rural) · Penney Farms · Bellair · Doctors Inlet
Emergency Response Expectations
Mark a Clay County pump failure as an emergency when you submit it; timing depends on provider availability. If the outage followed a storm or power outage, mention it in your request.
Clay County FAQs
Which aquifer should my Clay County well tap?
Clay County has more than one option: a shallow water-table aquifer, artesian zones in the Hawthorn Group sediments, and the deeper Floridan aquifer. Shallower wells can cost less to drill, while deeper completions may give a steadier supply or different water quality. A local contractor weighs your location, intended use, and nearby well logs before recommending one — it's the key early decision on a Clay County well.
Why does my well water stain fixtures and smell like sulfur?
Iron and hydrogen sulfide both occur naturally in Florida groundwater. Iron is regulated only under a secondary (cosmetic) standard — rusty color and reddish staining — which UF/IFAS notes isn't considered a health risk at the recommended limit. A rotten-egg smell doesn't tell you whether water is safe, so test for bacteria too, then size treatment from the lab results.
Who issues well permits in Clay County?
DOH-Clay permits wells delegated by SJRWMD, generally ordinary wells with an outside diameter under 6 inches at land surface. SJRWMD directly permits wells with an outside diameter of 6 inches or greater, non-dewatering gang wells whose total nominal casing sizes equal at least 6 inches, open-loop geothermal wells with an outside diameter of at least 6 inches at land surface, and all closed-loop geothermal wells. The well must be built by a Florida-licensed water well contractor, who normally files the application. State rule also keeps septic systems at least 75 feet from a private drinking-water well.
How often should I test my Clay County well?
UF/IFAS notes the Florida Department of Health recommends testing private well water every year for coliform bacteria, nitrate, lead, and pH, using a certified lab.
Sources
- SJRWMD: Water well construction permits
- Florida DOH: Local Water Well Permitting Agencies
- USGS WRI 77-87: Surface-water and ground-water features, Clay County, Florida
- SJRWMD SJ93-7: Lower St. Johns River Basin hydrogeology
- SJRWMD: Intermediate confining unit fact sheet (SJ2019-FS3)
- SJRWMD: Lakes Brooklyn and Geneva
- SJRWMD: Black Creek Project
- Fla. Admin. Code R. 62-6.005: Septic setbacks (Cornell LII)
- Florida Statutes s. 373.323: Water well contractor licensure
- UF/IFAS SS297: Secondary drinking water standards
- UF/IFAS SS712: Household drinking water testing
Services Available in Clay County
Well Drilling
New residential wells — find local drillers for site evaluation, depth estimates, and written drilling quotes.
Learn more →Water Well Drilling
Household water wells from site evaluation through casing, pump, and water test — written quotes from local drillers.
Learn more →Well Pump Repair
No water at the tap? Request urgent well pump repair — local pros diagnose pressure loss, dead pumps, and pressure tank failures fast.
Learn more →Well Pump Replacement
Pump at end of life or beyond repair? Get quotes for correctly-sized submersible and jet pump replacement from local well pros.
Learn more →Well Inspection & Testing
Buying a home with a well, or overdue for a water test? Local pros for flow tests, equipment inspection, and lab water-quality testing.
Learn more →Well Water Service
Water quality problems, treatment systems, and general well maintenance — connect with local pros for everything between drilling and pump work.
Learn more →Free Tools Before You Call
Ballpark the cost or narrow down the problem before talking to a Clay County provider.
Well Drilling Cost Calculator
Estimate what drilling a well should cost — by depth, geology, and whether you need the pump and pressure tank included.
Use the free tool →No Water From Your Well? Diagnostic Wizard
Suddenly no water in the house? Answer a few questions to find out if it's the breaker, the pressure switch, the tank, the pump — or the well itself.
Use the free tool →Well Pump Size Calculator
Find what size well pump you need — GPM demand, total dynamic head, and a horsepower recommendation from four quick inputs.
Use the free tool →Need help in Clay County, FL?
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