New Septic Installation in Alachua County, FL
Installing a new septic system in Alachua County requires a licensed site evaluation, a permit through the Alachua County Health Department, and a clear understanding of whether your lot is in a basin that requires an enhanced nutrient-reducing system — the difference between a $8,000 installation and a $25,000 one.
Get a Free Quote →New Septic System Installation Cost in Alachua County, FL
Alachua County rebate up to $5,000 available — apply before work begins
Rebate may cover a significant portion of cost
A licensed site evaluation is required before any cost estimate can be finalized. Soil type, lot size, water table depth, and basin location all determine which system is legally required. The Alachua County rebate covers 50% (up to $5,000) for qualifying ENR upgrades in the Santa Fe River and Silver Springs basins.
⚠️ HB 1379: ENR Required for New Installations in Santa Fe / Silver Springs Basin
Properties within the Santa Fe River basin or Silver Springs basin on lots one acre or smaller cannot install a conventional septic system — Florida HB 1379 requires an ENR-OSTDS. This includes new home construction and land purchases with no existing system. Verify basin location with your contractor before finalizing a permit application.
📋 Permit: Alachua County Health Department (Not FL DEP)
As of 2026, all Alachua County septic permits go through the Alachua County Health Department at 352-334-7930. Unlike Marion and many other Florida counties, Alachua has not transferred septic permitting to the Florida DEP. Your contractor handles the application — allow up to 30 days for permit approval.
💡 Start the Site Evaluation Before Breaking Ground
The site evaluation must happen before the permit application, and permit approval can take up to 30 days. For new construction, schedule the site evaluation as early as possible — waiting until the house is framed adds weeks to your timeline. Contractors can schedule evaluations on vacant lots before construction begins.
About New Septic Installation in Alachua County
New septic installations in Alachua County begin with a licensed site evaluation — soil borings to document the soil profile, seasonal high water table depth measurement, and documentation of setback distances to wells, property lines, and surface water. This evaluation is required before the permit application can be submitted to the Alachua County Health Department. It also determines which system type is legally required on your specific lot, which prevents expensive surprises after permits are filed. The full installation process — from initial contractor contact to a completed, permitted system — typically runs 6–10 weeks in Alachua County.
The vast majority of new installations in Gainesville's established and growing suburban areas sit on Arredondo series soil — deep, sandy, and well-drained, with seasonal high water tables commonly more than 60 inches below grade. Arredondo soil supports conventional gravity drain fields reliably. This is the most common and least expensive installation type: a concrete or fiberglass tank (1,000–1,500 gallons for most residences) and a gravity drain field sized to Florida DOH standards. Homes in Newberry, Archer, the Jonesville corridor, and most of the western county share similar soil conditions.
Properties on Jonesville series soil — which covers parts of the eastern and southeastern county, particularly toward Hawthorne, Micanopy, and the karst-heavy areas around Paynes Prairie — require more careful site evaluation. Jonesville soils are formed over limestone, and the usable soil depth varies from lot to lot. Where limestone is encountered relatively shallow, conventional drain field sizing may be constrained or impossible, and mound systems or drip-irrigation designs may be necessary. A contractor experienced with Alachua County's karst zones is essential for these evaluations.
If your property is in the Santa Fe River basin or Silver Springs basin and your lot is one acre or smaller, Florida HB 1379 (effective July 1, 2023) requires an ENR-OSTDS for any new installation. Communities in the Santa Fe River basin include High Springs, parts of LaCrosse, the Santa Fe River corridor west of Gainesville, and rural tracts in the northwest county. Properties in the Silver Springs basin overlap with portions of the county's southern quadrant. Your contractor should verify basin boundaries before submitting a permit application. If your property is in an affected area, apply for Alachua County's rebate program (50% back, up to $5,000) through the EPD before work begins at 352-264-6829 or Sgreco@alachuacounty.us.
Frequently Asked Questions — New Septic Installation in Alachua County
How much does a new septic system installation cost in Alachua County? ▾
A standard conventional installation on Arredondo upland soil in Alachua County costs $5,000–$14,000. Mound systems for Jonesville-soil or high-water-table properties run $10,000–$22,000. ENR Aerobic Treatment Units (ATUs), required in the Santa Fe River and Silver Springs basins on lots ≤1 acre, cost $8,000–$20,000 — the Alachua County rebate program offers up to $5,000 back on qualifying upgrades. Passive INRB systems run $4,000–$8,000 and are also eligible for the rebate. A site evaluation is required before any estimate can be finalized.
Do I need a perc test before installing a septic system in Alachua County? ▾
Yes. Florida requires a licensed site evaluation — which includes soil borings, seasonal high water table measurement, and percolation assessment — before any septic permit is issued. The Alachua County Health Department requires a complete site evaluation report before accepting a permit application. This step cannot be skipped or estimated — it must be physically performed on your lot by a licensed evaluator.
How long does new septic installation take in Alachua County? ▾
The full process from initial contractor contact to a completed, permitted installation typically takes 6–10 weeks: site evaluation scheduling and completion (1–2 weeks), permit application and approval at the Alachua County Health Department (up to 30 days), and actual installation (1–5 days). ENR systems may take slightly longer to source and install than conventional systems. For new construction, start the process before the slab is poured to avoid construction delays.
What soil type is best for septic in Alachua County? ▾
The Arredondo series soil — deep, well-drained sandy soil that dominates the upland areas around Gainesville, Newberry, Archer, and the Jonesville corridor — is the most favorable soil for conventional septic installation in Alachua County. Its depth and drainage characteristics support standard gravity drain fields reliably. Jonesville series soils in the eastern county are less favorable — limestone proximity limits usable depth and may require mound systems or alternative designs. A site evaluation documents the actual soil conditions on your specific lot before any system is designed.