Well, Septic & Utilities: What to Check Before Buying Rural Florida Land

City lots come with water, sewer, and power at the curb. Rural land usually doesn't. If you're buying acreage in Florida's interior, you're likely looking at a well, a septic system, and a power line that may be a long way off. Each one can be routine or a dealbreaker, and you want to know which before you close.

About 30% of Floridians already rely on septic systems, roughly 2.6 million of them statewide (UF/IFAS). So this is normal territory. It just takes homework.

Key Takeaways

• A septic system (officially an OSTDS) needs a passing soil and site evaluation before the county will permit one.
• In the eight counties we serve, your county health department handles septic permitting.
• A well permit is required before drilling, through your regional Water Management District (SFWMD for most of South Florida).
• Rural electric line extensions are priced per parcel. Get a written estimate before you offer.

Will the land support a septic system?

This is the first question on most rural lots, because no septic means no house. In Florida, septic systems are called OSTDS (onsite sewage treatment and disposal systems), and a permit requires a soil and site evaluation that checks soil type, topography, and the water table (Florida Department of Health). If the lot can't drain properly, it won't "perc," and you can't build as planned.

The technical rule: the bottom of the drainfield has to sit at least 24 inches above the wet-season high water table, so effluent filters through unsaturated soil (UF/IFAS). Where that separation isn't possible, you may need an engineered or mounded system, which costs more. Always make a passing site evaluation a condition of your purchase.

One note on who to call. Oversight of Florida's septic program moved from the Department of Health to the Department of Environmental Protection under the 2020 Clean Waterways Act. But in the counties we serve, the local county health department still handles septic permits and inspections, so start there.

Can you get a well, and is the water good?

Most rural Florida homesites draw water from a private well. You need a well construction permit before anyone drills, issued by your regional Water Management District or its delegated county health department (South Florida Water Management District, Rule 62-532). A single-family domestic well doesn't need a separate water-use permit.

Quality and quantity both matter. Florida doesn't require routine testing of private wells, which puts it on you: the Department of Health recommends testing for bacteria and nitrate at least once a year. In the southern coastal counties, shallow wells tap the Biscayne aquifer, the sole drinking-water source for over two million residents, while the deeper Floridan aquifer is brackish here and usually needs treatment (USGS). Test any existing or proposed well before you rely on it.

How far away is the power?

Electric is the utility buyers most often underestimate. When a line has to be extended to reach your building site, Florida utilities charge a Contribution in Aid of Construction, a customer-paid cost set by Florida Public Service Commission rule (Rule 25-6.064). The farther your site sits from existing lines, the higher that cost runs, because one home's revenue won't offset a long extension.

There's no published flat rate, so don't trust a number off the internet. Request a written estimate from FPL or your local co-op for the specific parcel before you commit.

What about public water and sewer?

If a parcel sits inside a utility's service area with mains at the lot line, you may be able to connect to public water and sewer instead of installing well and septic. That route trades drilling and drainfield costs for impact and connection fees, which vary widely by county. Contact the county utility for the parcel's fee schedule so there are no surprises.

Put it in the contract

The theme here is simple: confirm before you close. Make septic feasibility, well permitting, and utility access inspection-period contingencies, so you can walk away if the lot won't perc, the well permit is denied, or the power extension is too expensive. For the full pre-purchase checklist, see how to buy land in Florida, then browse affordable inland parcels or homes with acreage. Taking it all the way? See off-grid living in Florida.

Eyeing a rural parcel? Pure Equity will help you confirm septic, well, and utility feasibility before you're locked into a contract. Talk to a land specialist.

Frequently asked questions

What does it mean for land to "perc"?

"Perc" refers to whether the soil drains well enough to support a septic drainfield. Florida requires a soil and site evaluation that checks the soil and water table, and the drainfield must sit at least 24 inches above the wet-season high water table (UF/IFAS).

Who issues septic permits in Florida?

Statewide oversight sits with the Department of Environmental Protection, but in most counties, including the eight we serve, the local county health department handles septic (OSTDS) permitting and inspections. Start with your county health department.

Do I need a permit to drill a well in Florida?

Yes. A well construction permit is required before drilling, repairing, or abandoning any well, issued by your regional Water Management District or its delegated county health department (SFWMD, Rule 62-532).

How much does it cost to run power to rural land?

It varies by parcel and distance from existing lines, so there's no flat rate. Florida utilities charge a customer-paid Contribution in Aid of Construction (PSC Rule 25-6.064). Get a written estimate from the utility for your specific lot.

How a septic system actually works, and why soil decides it

The percolation test gets treated as a formality to be passed, and understanding what it measures explains why a failure is final rather than negotiable.

A conventional septic system settles solids in a tank and disperses the liquid into a drainfield, where soil filters it as it moves down. That filtration is the whole treatment. If the soil does not absorb at a workable rate, or if the water table sits too close to the surface, the system cannot function.

Florida is flat with a high water table in many areas, which is why this is a genuine constraint here rather than a formality. Where conditions are marginal, alternatives such as a mounded or engineered system may be possible, at considerably higher cost and with more maintenance. Where they are not, the parcel cannot be built on, and no price makes that acceptable.

Who permits what

Knowing which authority to ask saves weeks, because these sit with different agencies.

Onsite sewage treatment and disposal systems, meaning septic, are permitted through the Florida Department of Health working with county offices. Private wells are permitted through the regional water management districts and their delegated county programmes. Building and zoning sit with the county or municipality. Electrical service is the utility's own process.

Contact them directly rather than relying on a seller's description or an agent's recollection. Requirements, setbacks and processes vary by county and are revised, so a written answer about the specific parcel is the only reliable one.

What to establish about a well

Water quantity and water quality are separate questions and both matter.

On quantity, ask what depth neighbouring wells were drilled to and what yield they produce, since that is the best available predictor for your parcel. On quality, Florida groundwater commonly carries high mineral content, sulphur that produces an odour, or iron that stains fixtures. None of that is necessarily unsafe and all of it may require treatment equipment, which is an ongoing cost.

If a well already exists, test the water and establish the well's age and condition rather than assuming it works. Wells have finite lives, and an old well on a parcel is a future cost rather than a solved problem.

Power is priced by distance and it surprises people

Electrical service is the item most often underestimated on remote parcels, because the cost is driven by how far the nearest service point is rather than by anything about your build.

Ask the utility for a written estimate for the specific parcel before you commit. Where a line extension is required, the cost can be substantial and it is payable before you have a house. Establish whether any contribution or easement is required from you, and whether neighbouring parcels sharing the extension changes the arithmetic.

For genuinely remote land, solar with storage is sometimes compared against a line extension. That is a real calculation rather than an ideological one, and it should be run on quoted figures rather than assumptions.

Public service at the property line is not the same as connected

Where public water or sewer exists nearby, establish three separate things, because they are frequently conflated.

First, whether the line physically reaches your property line or stops short. Second, whether the utility has capacity and will actually serve you, since availability and willingness are different. Third, what connection costs, which commonly includes impact or capacity fees on top of the physical connection and can be a significant sum.

Ask for all three in writing. A listing describing utilities as available may mean any of them.

Put every answer in the contract

All of this diligence is only protection if the contract lets you act on it.

Make the purchase contingent on a passing percolation test where there is no sewer, on acceptable written confirmation of utility availability and connection cost, and on a survey confirming recorded legal access. Give yourself enough time to obtain each, because a perc test has to be scheduled and a utility estimate takes time to produce.

Sellers of rural land expect these conditions. One who resists them is worth asking about directly, since the most common reason is that a previous buyer already discovered something.

More common questions

What happens if the land does not perc?

A conventional septic system is not possible. Engineered alternatives sometimes exist at higher cost, and where they do not, the parcel cannot support a home.

Can I test before I own the land?

Yes, with the seller's permission, and that is exactly what a diligence period is for. Doing it after closing is doing it too late.

How much does rural power cost to bring in?

It depends entirely on distance to the nearest service point, which is why the only useful number is a written estimate from the utility for that specific parcel.

Sources

• Florida Department of Health, OSTDS (septic).
• South Florida Water Management District, well construction permits.
• UF/IFAS EDIS (septic and water quality); USGS (Biscayne and Floridan aquifers); Florida PSC Rule 25-6.064 (electric line extensions).

Published June 19, 2026. General information; confirm requirements with your county health department and utility before buying.