Septic Cost Guide for Florence, SC Homeowners
Septic costs range from a few hundred dollars for routine pumping to many thousands for a new drain field or system. This guide collects typical national-guide ranges from published cost guides so you know roughly what to expect before you call. These are not quotes and they are not local averages; prices in Florence County and Darlington County depend on the site, the soil, disposal fees and the provider. For a written price, call (843) 960-3805 and we will connect you with an independent local septic provider. Florence SC Septic Pros is a referral service; we do not perform septic work.
Routine maintenance
| Service | Typical range |
|---|---|
| Septic tank pumping, average household tank | Roughly $290 to $560 |
| Tank up to about 750 gallons | Often around $300 or less |
| Tank of about 800 to 1,500 gallons | Roughly $225 to $500 |
| Tank of 2,000 gallons or more | Roughly $600 and up |
| Septic inspection | Roughly $100 to $900, often around $300 |
| Effluent filter | Roughly $200 to $300 |
Repairs
| Repair | Typical range |
|---|---|
| General septic repair | Roughly $630 to $3,000 |
| Baffle replacement | Roughly $300 to $900 |
| Pump repair | Roughly $250 to $400 |
| Pump replacement | Roughly $1,000 and up |
| Line repair | Roughly $1,100 to $4,200 |
| Drain field repair or replacement | Roughly $2,000 to $20,000 |
New systems and replacements
| System | Typical range |
|---|---|
| Conventional system | Roughly $3,500 to $10,000 |
| Chamber system | Roughly $5,000 to $12,000 |
| Pressure distribution | Roughly $7,000 to $10,000 |
| Aerobic treatment unit | Roughly $10,000 to $20,000 |
| Mound system | Roughly $10,000 to $20,000 |
Commercial grease traps
| Unit | Typical range per service |
|---|---|
| Small indoor grease trap | Roughly $100 to $300 |
| Outdoor grease interceptor | Roughly $300 to $1,200+ |
What makes septic work cost more
- Digging. Lids buried a foot or more down, or a field under a driveway, add labor.
- Access. Long hose runs, fences, gates and soft ground slow the work.
- Soil and water table. In the Pee Dee's coastal plain, wet lots and high water tables can require alternative systems that cost far more than a conventional one.
- Permits. New systems and many repairs need an SCDES permit, with fees and waiting time.
- Timing. Night, weekend and holiday calls cost more. Heavy rain can delay digging.
- Neglect. Overdue tanks take longer to pump, and solids that escaped into the field can turn a pumping into a repair.
Ways to keep costs down
- Pump on schedule. The EPA's general guidance is about every three to five years for a household tank. It is far cheaper than a drain field.
- Install risers. A one-time cost that saves digging on every future visit.
- Keep records. Know where the tank is, its size and when it was pumped.
- Watch what goes down the drain. No grease, wipes, paper towels or chemicals.
- Protect the field. No parking, building or heavy equipment over it, and send downspouts away from it.
- Get written quotes. Make sure each lists the same work so you can compare.
Before you hire
South Carolina's septic program is run by the South Carolina Department of Environmental Services (SCDES), which took it over from the former DHEC on July 1, 2024. SCDES licenses septic installers, under a tiered system, and septic pumper/haulers. Ask any provider for their SCDES license, ask whether your job needs a permit, and get the price in writing before work starts.
Bottom line
For most Florence-area homeowners, routine pumping is a few hundred dollars every few years, an inspection is a few hundred dollars, small repairs run from a few hundred to a few thousand, and drain fields and new systems run from several thousand to $20,000 or more depending on the soil and system type. A written quote from a local licensed provider is the only number that counts. Call (843) 960-3805 to get connected.
Call and we will connect you with an independent local provider.
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