Sourced from USDA Rural Development Section 504 program documentation, Horry Soil & Water Conservation District, the Edisto Island Septic Assistance Program, the Community Foundation of the Lowcountry, Mount Pleasant Waterworks, Beaufort-Jasper Water and Sewer Authority, and Lexington County Public Works — last checked August 2026.
Which Septic Assistance Routes Are Worth Your Time?
South Carolina’s position is unusual and worth understanding before you start ringing people: the state’s septic money goes to utilities, and the money you can apply for yourself is federal. Answer five questions and this will tell you which doors are actually open to you.
This is not an application, and it is not a decision. We are not affiliated with SCDES, SC Housing, USDA or any county or utility, and we cannot approve anything on behalf of any program — only the program itself can do that. USDA figures are Rural Development’s own published terms; state figures come from SCDES and SC Housing documents and carry the dates shown. Confirm everything with the administering body before you rely on it.
USDA Section 504
The primary federal program covering septic repairs, administered through USDA Rural Development.
Loans: up to $40,000 at 1% fixed over 20 years.
Grants: up to $10,000 lifetime for homeowners aged 62 and older — or up to $15,000 if the property is in a presidentially declared disaster area. Grants don’t have to be repaid but must address a health or safety hazard — a failing septic system qualifies.
Combined: loan and grant funds can be combined up to $50,000, or $55,000 in a presidentially declared disaster area.
Eligibility: primary residence, USDA-eligible rural area, a household income that does not exceed USDA’s “very low” limit for your county, and being unable to obtain affordable credit elsewhere.
Much of rural South Carolina qualifies on location, and the USDA property eligibility tool settles that question in about a minute.
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The Coastal Complication
Worth being direct about, because it affects a lot of South Carolina property.
Section 504 requires the property to be your primary residence. A great many Lowcountry and Grand Strand homes are second homes, vacation properties or short-term rentals — and those fall outside the program entirely.
If that describes your situation, the practical options are conventional financing or paying directly. Which makes the site evaluation even more worth doing early, since knowing whether you’re facing a $10,000 or a $25,000 project changes how you plan for it.
County and Regional Programs — What Actually Exists
Almost every page on this subject tells you to “check with your county.” That is not an answer, so we went and looked. There are six programs in South Carolina that can pay toward a septic repair or a sewer connection — and two of them are closed or paused right now.
| Area | Program | Status | What it covers |
|---|---|---|---|
| Horry County | Soil & Water Conservation District | Open | Repairs and sewer tie-ons in targeted subwatersheds |
| Edisto Island | Edisto Island Septic Assistance Program | Open | Free inspection and pump-out; repair or replacement at zero cost in priority areas |
| Beaufort County | Project SAFE | Open | Sewer connection; 600+ families since 1999 |
| Mount Pleasant | Waterworks credit plus town match | Open | Up to $9,000 toward sewer conversion |
| Hilton Head | Town ARPA septic program | Paused | Closed to new applications |
| Lexington County | County septic repair grant | Closed | May reopen in 2028 |
Horry County — the largest repair program in the state
The Horry Soil & Water Conservation District has completed 908 septic repairs and 282 sewer tie-ons since 2011 — 1,190 projects across 26 subwatersheds. It runs on Clean Water Act Section 319 grants, with match money from Grand Strand Water & Sewer Authority, the City of Conway, Horry County Stormwater and the NRCS. A Phase II project beginning in 2025 targets 43 households, and SC DNR records 78 installations in FY2025 alone.
Edisto Island — repair or replacement at zero cost
The Edisto Island Septic Assistance Program offers free inspections and pump-outs, and for damaged or failing systems in priority areas, repair or replacement — in the program’s own words — “at zero-cost to the homeowner.”
Priority goes to greatest financial need, failing or outdated systems, residents near impaired waterways, flood-prone soils, and heirs’-property or long-term rental occupants.
Funding comes from the Healthy Harbors Fund (summer 2022), a second Healthy Harbors grant, a three-year EPA Section 319 grant, and a 2024 Charleston County Community Investment grant.
Beaufort County — Project SAFE, and a town program that is paused
Project SAFE (Sewer Access For Everyone) is run by the Community Foundation of the Lowcountry and was founded in 1999. It has taken in more than $4 million in donations and served 600 or more families. Hilton Head PSD offers 20-year financing alongside it. The route in is through Deep Well, 80 Capital Drive, Monday to Friday 9 to 5; the town contact is 843-715-4307.
If you found the Town of Hilton Head’s own septic program, that is not the live one. The town’s ARPA-funded program spent $369,417 on 35 households and is paused to new applications. Project SAFE is the open route.
Separately, BJWSA’s Alljoy Low Pressure Sewer Phase 2 in Bluffton is a $4,000,000 project to “decommission at least 84 septic systems.” That is a capital project rather than something you apply to — but if you are in the Alljoy area it is worth asking whether your property sits inside it, because a funded decommissioning is cheaper for you than a private conversion. More at Beaufort County.
Mount Pleasant — $9,000 toward a sewer conversion
Mount Pleasant Waterworks offers a $4,500 clean water credit, and the town matches it with another $4,500 — $9,000 in total, against an average sewer conversion cost of about $10,000. The utility also runs a septic inspection service at $15 a month, which around 50 households use.
Lexington County — closed, and possibly back in 2028
Lexington County ran a septic repair grant through Public Works Stormwater — 440 Ball Park Road, Lexington 29072, (803) 785-8201 — using Clean Water Act Section 319 money passed through SCDES via the Lexington Countywide Stormwater Consortium.
Its status, in the county’s own words: “New applications are not currently being accepted for this grant period. Funding may be available again in 2028.”
One line from that application is worth reading even though the program is shut, because it describes your position either way. The county warns that “it is the responsibility of all homeowners to repair an improperly functioning septic system,” and that declining help does not remove the duty, because “an improperly functioning septic system is a public health nuisance.” The obligation does not pause when the funding does. See Lexington County.
The Pattern Worth Understanding
Look at how these six are funded and a rule appears that tells you which ones to trust.
Three of them run on Clean Water Act Section 319 money — Horry, Edisto Island and Lexington. Section 319 is a federal water-quality grant program, and the money is aimed at watersheds, not at people. That has two consequences worth knowing. A comfortably-off homeowner inside a targeted subwatershed may qualify where a poorer one two miles outside it does not. And these programs appear and disappear on grant cycles — which is exactly what happened in Lexington.
The two most durable ones are not government-funded at all. Project SAFE is philanthropic and has run continuously since 1999. The Mount Pleasant credit is funded by a utility and its own town. Neither depends on a federal grant cycle, and neither has closed.
Before You Finance Anything
Get the site evaluation first. On a coastal lot the difference between a conventional replacement and an engineered system is substantial — the EPA puts a conventional system at $5,000–$15,000 nationally and says engineered systems cost more — and it’s determined by conditions you can’t assess from the surface.
Financing the wrong number is a worse problem than waiting two weeks for an evaluation.
Get multiple quotes. The spread on identical septic work is wider than people expect. South Carolina requires licensed installers, which narrows the field, but not to the point where the first quote should be the only one.
Ask whether site preparation is included. Under R.61-56.203, required site alterations may need to be completed before the installation is permitted — a cost that sometimes appears late.
Local rules vary a great deal by county — mandatory connection distances, lake buffers, pre-sale inspections and repair grants. See our South Carolina septic permits by county guide.
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Frequently Asked Questions
Is there financial help for septic repairs in South Carolina?
USDA Section 504 offers loans up to $40,000 at 1% fixed and grants up to $10,000 for homeowners 62 and older, for very-low-income households in eligible rural areas. Some counties and councils of government administer housing rehabilitation funds that can cover septic repair.
Does South Carolina have a state septic loan program?
No statewide homeowner program comparable to Pennsylvania PENNVEST. USDA Section 504 and local programs are the main routes.
Do vacation homes qualify for septic assistance?
Generally no. Section 504 requires the property be your primary residence, which excludes the many Lowcountry and Grand Strand second homes and short-term rentals.
What should I do before financing a septic replacement?
Get the site evaluation first. On a coastal lot the difference between a conventional replacement and an engineered system is roughly $15,000, and financing the wrong number is a worse problem than waiting two weeks.