Who issues septic permits in Hernando County?

The Florida Department of Health in Hernando County, Environmental Health, at the Brooksville office, (352) 540-6800. The office performs the site and soil evaluation and issues the construction permit. Verified fees per the county permit instructions (form DH 4015): $350.00 for a new-construction OSTDS permit, $100.00 application and plan review, and a $10 unmarked-lot fee.

Does the nitrogen mandate cover Spring Hill?

Much of it, parcel by parcel. The Weeki Wachee Springs Priority Focus Area reaches into Spring Hill, and a repair or modification permit filed since December 15, 2025 on a PFA parcel must include an enhanced nitrogen-reducing design, per the DOH-Hernando notice of 2025-10-10. Individual parcels differ, so check your address against the Florida DEP map before budgeting.

Is the Hernando County SUIP still paying out?

No. The Septic Upgrade Incentive Program offered up to $7,500 toward enhanced nitrogen-reducing features for existing homes inside the Weeki Wachee Springs PFA, opened applications on 2026-03-11, and was capped at 132 systems. As of 2026-07-18 its funding is reported expended, per the county SUIP page. Budget an ENR project at full price.

Is Brooksville under the same septic rules as Spring Hill?

Same permitting office, different geography. Brooksville sits up on the Brooksville Ridge, outside the mapped Weeki Wachee PFA for most parcels, so conventional repair and replacement rules usually apply there. The parcel-level check still decides it, and the county health department is the authority.

Service area

Septic service in Hernando County, Florida

Hernando County's septic story is a tale of one spring and one ridge. The spring is Weeki Wachee, first-magnitude, gin-clear, and impaired for nitrogen; its Basin Management Action Plan draws a Priority Focus Area that reaches into Spring Hill, the county's population center. The ridge is the Brooksville Ridge, higher and drier ground where the county seat sits largely outside that mapped zone. Which side of that line your parcel falls on now shapes every septic decision from a drainfield replacement to a new install.

The springshed by the numbers

Florida DEP's Weeki Wachee BMAP (2018) counts over 30,000 septic tanks in the springshed and attributes roughly 30 percent of nitrogen loading to groundwater, and about 44 percent inside the Priority Focus Area, to septic systems. That concentration is why the December 2025 milestone landed here: per the DOH-Hernando notice of 2025-10-10, a repair or modification permit application filed on or after 2025-12-15 for a PFA parcel must include an enhanced nitrogen-reducing design, on all lot sizes. The full framework is in the springs septic mandate guide, and the project it points to is the ENR upgrade.

Spring Hill, sewer lines, and the five-year question

Spring Hill is the largest septic market on the entire Springs Coast, and it is also where the county's septic-to-sewer program is most active, with projects extending sewer to hundreds of existing homes. That matters because the ENR requirement is waived where central sewer will be available for connection within five years (FS 373.807), so a Spring Hill homeowner planning a drainfield replacement should ask the county two questions in one call: is my parcel in the PFA, and is sewer coming to my street? The answers can swing the project by five figures.

Permitting through DOH-Hernando, with verified fees

The Florida Department of Health in Hernando County, Environmental Health, Brooksville office, (352) 540-6800, performs the site and soil evaluation and issues the construction permit. The county's permit instructions (form DH 4015) publish the figures this site treats as verified:

Item	Fee
New-construction OSTDS permit	$350.00
Application and plan review	$100.00
Unmarked-lot fee	$10

The step-by-step sequence, evaluation through final inspection, is in the permit process guide, with the evaluation itself covered under permitting and soil evaluation.

The SUIP, past tense

The Hernando County Septic Upgrade Incentive Program offered up to $7,500 toward enhanced nitrogen-reducing features for existing homes inside the Weeki Wachee Springs PFA. Applications opened 2026-03-11, first come first served, capped at 132 systems, and as of 2026-07-18 the funding is reported expended, per the county SUIP page. ENR budgets here should stand at full price on the sourced cost bands, with any future funding round treated as a bonus.

Ridge and lowland, one county

Geology splits the county's septic engineering. Coastal and western lowland parcels, Weeki Wachee and the canal streets toward the Gulf among them, pair sandy soil with a high water table, pushing designs toward mounded and engineered fields. Up on the ridge around Brooksville, deeper unsaturated soil gives drainfields more room to work conventionally. The county evaluation reads each parcel; the two town pages carry the local detail, and Citrus County to the north runs on the same framework with its own two springsheds.

In this county

Nearby

Verify Your Septic Contractor's Florida Registration and Permits

Septic work in Florida is performed by a state-registered septic tank contractor. Registration runs under Chapter 489, Part III, Florida Statutes and has been administered by the Florida Department of Environmental Protection since the Onsite Sewage Program moved there from the Department of Health on July 1, 2021 under the Clean Waterways Act. The registered tier requires three years or 6,000 hours of experience, a state exam passed at 75 percent or better, and annual renewal each September 30; a septic business also needs its own Certificate of Authorization. Details: Florida DEP septic tank contractor registration.

The construction permit is separate from the contractor's registration. In Citrus and Hernando counties the county health department issues the onsite sewage construction permit and performs the site and soil evaluation: Florida Department of Health in Citrus County, Environmental Public Health, (352) 513-6100, and Florida Department of Health in Hernando County, Environmental Health, (352) 540-6800.

Where a parcel sits inside a spring Priority Focus Area, a repair or modification permit application filed on or after December 15, 2025 must include an enhanced nitrogen-reducing (ENR) system design, per the DOH-Citrus (2025-10-09) and DOH-Hernando (2025-10-10) notices. An ENR system is one approved for at least 65 percent total nitrogen reduction (or at least 50 percent before the drainfield), per section 381.0065, Florida Statutes.

Check the record yourself

Look up an individual's registration or a business's authorization in the Florida DEP registration search tools.
Confirm permit requirements for your parcel with your county health department office at the numbers above.

Three questions worth asking any contractor

What name is your Florida septic tank contractor registration under, and can I verify it in the DEP search?
Will you pull the county health department construction permit before work starts, and is the permit fee in your written estimate?
If my parcel is inside a Priority Focus Area, which ENR technology are you quoting, and what does its maintenance contract cost per year?

Springs Coast Septic is a matching service, holds no contractor registration, and performs no septic work. The registration and permit obligations described here belong to the independent licensed contractor you are matched with.

Frequently Asked Questions

Who issues septic permits in Hernando County?: The Florida Department of Health in Hernando County, Environmental Health, at the Brooksville office, (352) 540-6800. The office performs the site and soil evaluation and issues the construction permit. Verified fees per the county permit instructions (form DH 4015): $350.00 for a new-construction OSTDS permit, $100.00 application and plan review, and a $10 unmarked-lot fee.
Does the nitrogen mandate cover Spring Hill?: Much of it, parcel by parcel. The Weeki Wachee Springs Priority Focus Area reaches into Spring Hill, and a repair or modification permit filed since December 15, 2025 on a PFA parcel must include an enhanced nitrogen-reducing design, per the DOH-Hernando notice of 2025-10-10. Individual parcels differ, so check your address against the Florida DEP map before budgeting.
Is the Hernando County SUIP still paying out?: No. The Septic Upgrade Incentive Program offered up to $7,500 toward enhanced nitrogen-reducing features for existing homes inside the Weeki Wachee Springs PFA, opened applications on 2026-03-11, and was capped at 132 systems. As of 2026-07-18 its funding is reported expended, per the county SUIP page. Budget an ENR project at full price.
Is Brooksville under the same septic rules as Spring Hill?: Same permitting office, different geography. Brooksville sits up on the Brooksville Ridge, outside the mapped Weeki Wachee PFA for most parcels, so conventional repair and replacement rules usually apply there. The parcel-level check still decides it, and the county health department is the authority.